configure.ac

   1 AC_INIT
   2 AC_CONFIG_SRCDIR([version.h])
   3 AC_PREREQ(2.59)
   4 AC_CONFIG_AUX_DIR(config)
   5 AC_CONFIG_HEADERS([lib/config.h])
   6 AH_BOTTOM([#include <dirpaths.h>])
   7 AC_USE_SYSTEM_EXTENSIONS
   8 MCONFIG=./MCONFIG
   9 AC_SUBST_FILE(MCONFIG)
  10 BINARY_TYPE=bin
  11 dnl
  12 dnl This is to figure out the version number and the date....
  13 dnl
  14 E2FSPROGS_VERSION=`awk -F\" '/E2FSPROGS_VER/ { print $2 }' ${srcdir}/version.h`
  15 E2FSPROGS_DATE=`awk -F\" '/E2FSPROGS_DATE/ { print $2 }' ${srcdir}/version.h`
  16 E2FSPROGS_DAY=$(echo $E2FSPROGS_DATE | awk -F- '{ printf "%02d", $1 }')
  17 MONTH=`echo $E2FSPROGS_DATE | awk -F- '{print $2}'`
  18 YEAR=`echo $E2FSPROGS_DATE | awk -F- '{print $3}'`
  19
  20 if expr $YEAR ">" 1900 > /dev/null ; then
  21         E2FSPROGS_YEAR=$YEAR
  22 elif expr $YEAR ">" 90 >/dev/null ; then
  23         E2FSPROGS_YEAR=19$YEAR
  24 else
  25         E2FSPROGS_YEAR=20$YEAR
  26 fi
  27
  28 case $MONTH in
  29 Jan)    MONTH_NUM=01; E2FSPROGS_MONTH="January" ;;
  30 Feb)    MONTH_NUM=02; E2FSPROGS_MONTH="February" ;;
  31 Mar)    MONTH_NUM=03; E2FSPROGS_MONTH="March" ;;
  32 Apr)    MONTH_NUM=04; E2FSPROGS_MONTH="April" ;;
  33 May)    MONTH_NUM=05; E2FSPROGS_MONTH="May" ;;
  34 Jun)    MONTH_NUM=06; E2FSPROGS_MONTH="June" ;;
  35 Jul)    MONTH_NUM=07; E2FSPROGS_MONTH="July" ;;
  36 Aug)    MONTH_NUM=08; E2FSPROGS_MONTH="August" ;;
  37 Sep)    MONTH_NUM=09; E2FSPROGS_MONTH="September" ;;
  38 Oct)    MONTH_NUM=10; E2FSPROGS_MONTH="October" ;;
  39 Nov)    MONTH_NUM=11; E2FSPROGS_MONTH="November" ;;
  40 Dec)    MONTH_NUM=12; E2FSPROGS_MONTH="December" ;;
  41 *)      AC_MSG_WARN([Unknown month $MONTH??]) ;;
  42 esac
  43
  44 base_ver=`echo $E2FSPROGS_VERSION | sed -e 's/pre-//' -e 's/-.*//'`
  45 base_rel=`echo $E2FSPROGS_VERSION | awk -F- '{ print $2 }'`
  46
  47 date_spec=${E2FSPROGS_YEAR}.${MONTH_NUM}.${E2FSPROGS_DAY}
  48
  49 case $E2FSPROGS_VERSION in
  50 *-WIP|pre-*)
  51         E2FSPROGS_PKGVER="$base_ver"
  52         E2FSPROGS_PKGREL="WIP.$date_spec"
  53         ;;
  54 *)
  55         E2FSPROGS_PKGVER="$base_ver"
  56         E2FSPROGS_PKGREL="$base_rel"
  57         ;;
  58 esac
  59
  60 unset DATE MONTH YEAR base_ver pre_vers date_spec
  61 AC_MSG_RESULT([Generating configuration file for e2fsprogs version $E2FSPROGS_VERSION])
  62 AC_MSG_RESULT([Package version ${E2FSPROGS_PKGVER} release ${E2FSPROGS_PKGREL}])
  63 AC_MSG_RESULT([Release date is ${E2FSPROGS_MONTH}, ${E2FSPROGS_YEAR}])
  64 AC_SUBST(E2FSPROGS_YEAR)
  65 AC_SUBST(E2FSPROGS_MONTH)
  66 AC_SUBST(E2FSPROGS_DAY)
  67 AC_SUBST(E2FSPROGS_VERSION)
  68 AC_SUBST(E2FSPROGS_PKGVER)
  69 AC_SUBST(E2FSPROGS_PKGREL)
  70 AC_SUBST(E2FSPROGS_DATE)
  71 dnl
  72 dnl Use diet libc
  73 dnl
  74 WITH_DIET_LIBC=
  75 AC_ARG_WITH([diet-libc],
  76 AS_HELP_STRING([--with-diet-libc],[use diet libc]),
  77 CC="diet cc -nostdinc"
  78 WITH_DIET_LIBC=yes
  79 if test -z "$LIBS"
  80 then
  81         LIBS="-lcompat"
  82 else
  83         LIBS="$LIBS -lcompat"
  84 fi
  85 AC_MSG_RESULT(CC=$CC))dnl
  86 dnl
  87 AC_CANONICAL_HOST
  88 dnl
  89 dnl Check to see if libdl exists for the sake of dlopen
  90 dnl
  91 DLOPEN_LIB=''
  92 AC_CHECK_LIB(dl, dlopen,DLOPEN_LIB=-ldl)
  93 AC_SUBST(DLOPEN_LIB)
  94 dnl
  95 AC_ARG_WITH([cc],
  96 AS_HELP_STRING([--with-cc],[no longer supported, use CC= instead]),
  97 AC_MSG_ERROR([--with-cc no longer supported; use CC= instead]))
  98 dnl
  99 AC_ARG_WITH([ccopts],
 100 AS_HELP_STRING([--with-ccopts],[no longer supported, use CFLAGS= instead]),
 101 AC_MSG_ERROR([--with-ccopts no longer supported; use CFLAGS= instead]))
 102 dnl
 103 AC_ARG_WITH([ldopts],
 104 AS_HELP_STRING([--with-ldopts],[no longer supported, use LDFLAGS= instead]),
 105 AC_MSG_ERROR([--with-ldopts no longer supported; use LDFLAGS= instead]))
 106 dnl
 107 AC_PROG_CC
 108 if test "$GCC" = yes; then
 109    RDYNAMIC="-rdynamic"
 110    AC_SUBST(RDYNAMIC)
 111 fi
 112 AC_PROG_CPP
 113 dnl
 114 dnl Alpha computers use fast and imprecise floating point code that may
 115 dnl miss exceptions by default. Force sane options if we're using GCC.
 116 AC_MSG_CHECKING(for additional special compiler flags)
 117 if test "$GCC" = yes
 118 then
 119     case "$host_cpu" in
 120         alpha)          addcflags="-mieee" ;;
 121     esac
 122 fi
 123 if test "x$addcflags" != x
 124 then
 125     AC_MSG_RESULT($addcflags)
 126     CFLAGS="$addcflags $CFLAGS"
 127 else
 128     AC_MSG_RESULT([[(none)]])
 129 fi
 130 dnl
 131 dnl Set default values for library extensions.  Will be dealt with after
 132 dnl parsing configuration options, which may modify these
 133 dnl
 134 LIB_EXT=.a
 135 STATIC_LIB_EXT=.a
 136 PROFILED_LIB_EXT=.a
 137 dnl
 138 dnl Allow separate `root_prefix' to be specified
 139 dnl
 140 AC_ARG_WITH([root-prefix],
 141 AS_HELP_STRING([--with-root-prefix=PREFIX],[override prefix variable for files to be placed in the root]),
 142 root_prefix=$withval,
 143 root_prefix=NONE)dnl
 144 dnl
 145 dnl handle --enable-maintainer-mode
 146 dnl
 147 AC_ARG_ENABLE([maintainer-mode],
 148 AS_HELP_STRING([--enable-maintainer-mode],[enable makefile rules useful for maintainers]),
 149 if test "$enableval" = "no"
 150 then
 151         MAINTAINER_CMT=#
 152         AC_MSG_RESULT([Disabling maintainer mode])
 153 else
 154         MAINTAINER_CMT=
 155         AC_MSG_RESULT([Enabling maintainer mode])
 156 fi
 157 ,
 158 MAINTAINER_CMT=#
 159 AC_MSG_RESULT([Disabling maintainer mode by default])
 160 )
 161 AC_SUBST(MAINTAINER_CMT)
 162 dnl
 163 dnl handle --enable-symlink-install
 164 dnl
 165 AC_ARG_ENABLE([symlink-install],
 166 AS_HELP_STRING([--enable-symlink-install],[use symlinks when installing instead of hard links]),
 167 if test "$enableval" = "no"
 168 then
 169         LINK_INSTALL_FLAGS=-f
 170         AC_MSG_RESULT([Disabling symlinks for install])
 171 else
 172         LINK_INSTALL_FLAGS=-sf
 173         AC_MSG_RESULT([Enabling symlinks for install])
 174 fi
 175 ,
 176 LINK_INSTALL_FLAGS=-f
 177 AC_MSG_RESULT([Disabling symlinks for install by default])
 178 )
 179 AC_SUBST(LINK_INSTALL_FLAGS)
 180 dnl
 181 dnl handle --enable-relative-symlinks
 182 dnl
 183 relative_symlink_defined=
 184 AC_ARG_ENABLE([relative-symlinks],
 185 AS_HELP_STRING([--enable-relative-symlinks],[use relative symlinks when installing]),
 186 if test "$enableval" = "no"
 187 then
 188         SYMLINK_RELATIVE=
 189         relative_symlink_defined=yes
 190         AC_MSG_RESULT([Disabling relative symlinks for install])
 191 else
 192         SYMLINK_RELATIVE=--relative
 193         relative_symlink_defined=yes
 194         AC_MSG_RESULT([Enabling relative symlinks for install])
 195 fi)
 196 AC_ARG_ENABLE([symlink-relative-symlinks],,
 197 if test "$enableval" = "no"
 198 then
 199         SYMLINK_RELATIVE=yes
 200         AC_MSG_RESULT([Disabling relative symlinks for install])
 201 else
 202         SYMLINK_RELATIVE=--relative
 203         AC_MSG_RESULT([Enabling relative symlinks for install])
 204 fi
 205 ,
 206 if test -z "$relative_symlink_defined"
 207 then
 208         SYMLINK_RELATIVE=
 209 AC_MSG_RESULT([Disabling relative symlinks for install by default])
 210 fi
 211 )
 212 AC_SUBST(SYMLINK_RELATIVE)
 213 dnl
 214 dnl handle --enable-symlink-build
 215 dnl
 216 AC_ARG_ENABLE([symlink-build],
 217 AS_HELP_STRING([--enable-symlink-build],[use symlinks while building instead of hard links]),
 218 if test "$enableval" = "no"
 219 then
 220         LINK_BUILD_FLAGS=
 221         AC_MSG_RESULT([Disabling symlinks for build])
 222 else
 223         LINK_BUILD_FLAGS=-s
 224         AC_MSG_RESULT([Enabling symlinks for build])
 225 fi
 226 ,
 227 LINK_BUILD_FLAGS=
 228 AC_MSG_RESULT([Disabling symlinks for build by default])
 229 )
 230 AC_SUBST(LINK_BUILD_FLAGS)
 231 dnl
 232 dnl handle --enable-verbose-makecmds
 233 dnl
 234 AC_ARG_ENABLE([verbose-makecmds],
 235 AS_HELP_STRING([--enable-verbose-makecmds],[enable verbose make command output]),
 236 if test "$enableval" = "no"
 237 then
 238         AC_MSG_RESULT([Disabling verbose make commands])
 239         E=@echo
 240         ES=echo
 241         Q=@
 242 else
 243         AC_MSG_RESULT([Enabling verbose make commands])
 244         E=@\\#
 245         ES=\\#
 246         Q=
 247 fi
 248 ,
 249 AC_MSG_RESULT([Disabling verbose make commands])
 250 E=@echo
 251 ES=echo
 252 Q=@
 253 )
 254 AC_SUBST(E)
 255 AC_SUBST(ES)
 256 AC_SUBST(Q)
 257 dnl
 258 dnl This needs to be before all of the --enable-*-shlibs options
 259 dnl
 260 E2_PKG_CONFIG_STATIC=--static
 261 LDFLAG_DYNAMIC=
 262 PRIVATE_LIBS_CMT=
 263 dnl
 264 dnl handle --enable-elf-shlibs
 265 dnl
 266 AC_ARG_ENABLE([elf-shlibs],
 267 AS_HELP_STRING([--enable-elf-shlibs],[select ELF shared libraries]),
 268 if test "$enableval" = "no"
 269 then
 270         ELF_CMT=#
 271         MAKEFILE_ELF=/dev/null
 272         AC_MSG_RESULT([Disabling ELF shared libraries])
 273 else
 274         E2_PKG_CONFIG_STATIC=
 275         ELF_CMT=
 276         MAKEFILE_ELF=$srcdir/lib/Makefile.elf-lib
 277         [case "$host_os" in
 278         solaris2.*)
 279                 MAKEFILE_ELF=$srcdir/lib/Makefile.solaris-lib
 280         ;;
 281         esac]
 282         BINARY_TYPE=elfbin
 283         LIB_EXT=.so
 284         PRIVATE_LIBS_CMT=#
 285         LDFLAG_DYNAMIC=['-Wl,-rpath-link,$(top_builddir)/lib']
 286         AC_MSG_RESULT([Enabling ELF shared libraries])
 287 fi
 288 ,
 289 MAKEFILE_ELF=/dev/null
 290 ELF_CMT=#
 291 AC_MSG_RESULT([Disabling ELF shared libraries by default])
 292 )
 293 AC_SUBST(ELF_CMT)
 294 AC_SUBST_FILE(MAKEFILE_ELF)
 295 dnl
 296 dnl handle --enable-bsd-shlibs
 297 dnl
 298 AC_ARG_ENABLE([bsd-shlibs],
 299 AS_HELP_STRING([--enable-bsd-shlibs],[select BSD shared libraries]),
 300 if test "$enableval" = "no"
 301 then
 302         BSDLIB_CMT=#
 303         MAKEFILE_BSDLIB=/dev/null
 304         AC_MSG_RESULT([Disabling BSD shared libraries])
 305 else
 306         E2_PKG_CONFIG_STATIC=
 307         BSDLIB_CMT=
 308         MAKEFILE_BSDLIB=$srcdir/lib/Makefile.bsd-lib
 309         LIB_EXT=.so
 310         [case "$host_os" in
 311         darwin*)
 312                 MAKEFILE_BSDLIB=$srcdir/lib/Makefile.darwin-lib
 313                 LIB_EXT=.dylib
 314         ;;
 315         esac]
 316         AC_MSG_RESULT([Enabling BSD shared libraries])
 317 fi
 318 ,
 319 MAKEFILE_BSDLIB=/dev/null
 320 BSDLIB_CMT=#
 321 AC_MSG_RESULT([Disabling BSD shared libraries by default])
 322 )
 323 AC_SUBST(BSDLIB_CMT)
 324 AC_SUBST_FILE(MAKEFILE_BSDLIB)
 325 dnl
 326 dnl handle --enable-profile
 327 dnl
 328 AC_ARG_ENABLE([profile],
 329 AS_HELP_STRING([--enable-profile],[build profiling libraries]),
 330 if test "$enableval" = "no"
 331 then
 332         PROFILE_CMT=#
 333         MAKEFILE_PROFILE=/dev/null
 334         AC_MSG_RESULT([Disabling profiling libraries])
 335 else
 336         PROFILE_CMT=
 337         MAKEFILE_PROFILE=$srcdir/lib/Makefile.profile
 338         PROFILED_LIB_EXT=_p.a
 339         AC_MSG_RESULT([Building profiling libraries])
 340 fi
 341 ,
 342 PROFILE_CMT=#
 343 MAKEFILE_PROFILE=/dev/null
 344 AC_MSG_RESULT([Disabling profiling libraries by default])
 345 )
 346 AC_SUBST(PROFILE_CMT)
 347 AC_SUBST_FILE(MAKEFILE_PROFILE)
 348 dnl
 349 dnl handle --enable-gcov
 350 dnl
 351 AC_ARG_ENABLE([gcov],
 352 AS_HELP_STRING([--enable-gcov],[build for coverage testing using gcov]),
 353 if test "$enableval" = "yes"
 354 then
 355         CFLAGS="-g -fprofile-arcs -ftest-coverage"
 356         LDFLAGS="-fprofile-arcs -ftest-coverage"
 357         AC_MSG_RESULT([Enabling gcov support])
 358 fi
 359 )
 360 dnl
 361 dnl handle --enable-hardening
 362 dnl
 363 CFLAGS_SHLIB="${CFLAGS_SHLIB:-$CFLAGS}"
 364 CFLAGS_STLIB="${CFLAGS_STLIB:-$CFLAGS}"
 365 LDFLAGS_SHLIB=${LDFLAGS_SHLIB:-$LDFLAGS}
 366 LDFLAGS_STATIC=${LDFLAGS_STATIC:-$LDFLAGS}
 367 AC_ARG_ENABLE([hardening],
 368 AS_HELP_STRING([--enable-hardening],[build for coverage testing using gcov]),
 369 if test "$enableval" = "yes"
 370 then
 371         HARDEN_CFLAGS="-D_FORTIFY_SOURCE=2 -fstack-protector-strong"
 372         HARDEN_LDFLAGS=["-Wl,-z,relro -Wl,-z,now"]
 373         CFLAGS="$CFLAGS $HARDEN_CFLAGS -fPIE"
 374         CFLAGS_SHLIB="$CFLAGS_SHLIB $HARDEN_CFLAGS"
 375         CFLAGS_STLIB="$CFLAGS_STLIB $HARDEN_CFLAGS -fPIE"
 376         LDFLAGS="$LDFLAGS $HARDEN_LDFLAGS -fPIE -pie"
 377         LDFLAGS_STATIC="$LDFLAGS_STATIC $HARDEN_LDFLAGS"
 378         LDFLAGS_SHLIB="$LDFLAGS_SHLIB $HARDEN_LDFLAGS"
 379         AC_MSG_RESULT([Enabling hardening support])
 380 fi
 381 )
 382 dnl
 383 dnl Substitute library extensions
 384 dnl
 385 AC_SUBST(LIB_EXT)
 386 AC_SUBST(STATIC_LIB_EXT)
 387 AC_SUBST(PROFILED_LIB_EXT)
 388 AC_SUBST(LDFLAG_DYNAMIC)
 389 AC_SUBST(PRIVATE_LIBS_CMT)
 390 dnl
 391 dnl handle --enable-jbd-debug
 392 dnl
 393 AC_ARG_ENABLE([jbd-debug],
 394 AS_HELP_STRING([--enable-jbd-debug],[enable journal debugging]),
 395 if test "$enableval" = "no"
 396 then
 397         AC_MSG_RESULT([Disabling journal debugging])
 398 else
 399         AC_DEFINE(CONFIG_JBD_DEBUG, 1,
 400                 [Define to 1 if debugging ext3/4 journal code])
 401         AC_MSG_RESULT([Enabling journal debugging])
 402 fi
 403 ,
 404 AC_MSG_RESULT([Disabling journal debugging by default])
 405 )
 406 dnl
 407 dnl handle --enable-blkid-debug
 408 dnl
 409 AC_ARG_ENABLE([blkid-debug],
 410 AS_HELP_STRING([--enable-blkid-debug],[enable blkid debugging]),
 411 if test "$enableval" = "no"
 412 then
 413         AC_MSG_RESULT([Disabling blkid debugging])
 414 else
 415         AC_DEFINE(CONFIG_BLKID_DEBUG, 1,
 416                 [Define to 1 if debugging the blkid library])
 417         AC_MSG_RESULT([Enabling blkid debugging])
 418 fi
 419 ,
 420 AC_MSG_RESULT([Disabling blkid debugging by default])
 421 )
 422 dnl
 423 dnl handle --enable-testio-debug
 424 dnl
 425 AC_ARG_ENABLE([testio-debug],
 426 AS_HELP_STRING([--disable-testio-debug],[disable the use of the test I/O manager for debugging]),
 427 AH_TEMPLATE([CONFIG_TESTIO_DEBUG],
 428         [Define to 1 if the testio I/O manager should be enabled])
 429 if test "$enableval" = "no"
 430 then
 431         AC_MSG_RESULT([Disabling testio debugging])
 432         TEST_IO_CMT="#"
 433 else
 434         TEST_IO_CMT=
 435         AC_DEFINE(CONFIG_TESTIO_DEBUG, 1)
 436         AC_MSG_RESULT([Enabling testio debugging])
 437 fi
 438 ,
 439 AC_MSG_RESULT([Enabling testio debugging by default])
 440 AC_DEFINE(CONFIG_TESTIO_DEBUG, 1)
 441 TEST_IO_CMT=
 442 )
 443 AC_SUBST(TEST_IO_CMT)
 444 dnl
 445 dnl handle --enable-developer-features
 446 dnl
 447 AC_ARG_ENABLE([developer-features],
 448 AS_HELP_STRING([--enable-developer-features],[enable features for use by ext4 developers]),
 449 AH_TEMPLATE([CONFIG_DEVELOPER_FEATURES],
 450         [Define to 1 for features for use by ext4 developers])
 451 if test "$enableval" = "yes"
 452 then
 453         DEV_FEATURES_CMT=
 454         AC_DEFINE(CONFIG_DEVELOPER_FEATURES, 1)
 455         AC_MSG_RESULT([Enabling ext4 developer features])
 456 else
 457         AC_MSG_RESULT([Disabling ext4 developer features])
 458         DEV_FEATURES_CMT="#"
 459 fi
 460 ,
 461 AC_MSG_RESULT([Disabling ext4 developer features by default])
 462 DEV_FEATURES_CMT=
 463 )
 464 AC_SUBST(DEV_FEATURES_CMT)
 465 dnl
 466 dnl handle --disable-libuuid
 467 dnl
 468 PKG_PROG_PKG_CONFIG
 469 LIBUUID=
 470 DEPLIBUUID=
 471 STATIC_LIBUUID=
 472 DEPSTATIC_LIBUUID=
 473 PROFILED_LIBUUID=
 474 DEPPROFILED_LIBUUID=
 475 UUID_CMT=
 476 AC_ARG_ENABLE([libuuid],
 477 AS_HELP_STRING([--enable-libuuid],[build and use private uuid library]),
 478 if test "$enableval" = "no"
 479 then
 480         if test -z "$PKG_CONFIG"; then
 481                 AC_MSG_ERROR([pkg-config not installed; please install it.])
 482         fi
 483
 484         AC_CHECK_LIB(uuid, uuid_generate,
 485                 [LIBUUID=`$PKG_CONFIG --libs uuid`;
 486                  STATIC_LIBUUID=`$PKG_CONFIG --static --libs uuid`],
 487                 [AC_MSG_ERROR([external uuid library not found])])
 488         PROFILED_LIBUUID=$LIBUUID
 489         UUID_CMT=#
 490         AC_MSG_RESULT([Disabling private uuid library])
 491 else
 492         LIBUUID='$(LIB)/libuuid'$LIB_EXT
 493         DEPLIBUUID=$LIBUUID
 494         STATIC_LIBUUID='$(LIB)/libuuid'$STATIC_LIB_EXT
 495         DEPSTATIC_LIBUUID=$STATIC_LIBUUID
 496         PROFILED_LIBUUID='$(LIB)/libuuid'$PROFILED_LIB_EXT
 497         DEPPROFILED_LIBUUID=$PROFILED_LIBUUID
 498         AC_MSG_RESULT([Enabling private uuid library])
 499 fi
 500 ,
 501 if test -n "$PKG_CONFIG"; then
 502         AC_CHECK_LIB(uuid, uuid_generate,
 503                 [LIBUUID=`$PKG_CONFIG --libs uuid`;
 504                  STATIC_LIBUUID=`$PKG_CONFIG --static --libs uuid`])
 505 fi
 506 if test -n "$LIBUUID"; then
 507         PROFILED_LIBUUID=$LIBUUID
 508         UUID_CMT=#
 509         AC_MSG_RESULT([Using system uuid by default])
 510 else
 511         LIBUUID='$(LIB)/libuuid'$LIB_EXT
 512         DEPLIBUUID=$LIBUUID
 513         STATIC_LIBUUID='$(LIB)/libuuid'$STATIC_LIB_EXT
 514         DEPSTATIC_LIBUUID=$STATIC_LIBUUID
 515         PROFILED_LIBUUID='$(LIB)/libuuid'$PROFILED_LIB_EXT
 516         DEPPROFILED_LIBUUID=$PROFILED_LIBUUID
 517         AC_MSG_RESULT([Enabling private uuid library by default])
 518 fi
 519 )
 520 AC_SUBST(LIBUUID)
 521 AC_SUBST(DEPLIBUUID)
 522 AC_SUBST(STATIC_LIBUUID)
 523 AC_SUBST(DEPSTATIC_LIBUUID)
 524 AC_SUBST(PROFILED_LIBUUID)
 525 AC_SUBST(DEPPROFILED_LIBUUID)
 526 AC_SUBST(UUID_CMT)
 527 dnl
 528 dnl handle --disable-libblkid
 529 dnl
 530 PKG_PROG_PKG_CONFIG
 531 LIBBLKID=
 532 DEPLIBBLKID=
 533 STATIC_LIBBLKID=
 534 DEPSTATIC_LIBBLKID=
 535 PROFILED_LIBBLKID=
 536 DEPPROFILED_LIBBLKID=
 537 BLKID_CMT=
 538 AH_TEMPLATE([CONFIG_BUILD_FINDFS], [Define to 1 to compile findfs])
 539 AC_ARG_ENABLE([libblkid],
 540 AS_HELP_STRING([--enable-libblkid],[build and use private blkid library]),
 541 if test "$enableval" = "no"
 542 then
 543         if test -z "$PKG_CONFIG"; then
 544                 AC_MSG_ERROR([pkg-config not installed; please install it.])
 545         fi
 546
 547         AC_CHECK_LIB(blkid, blkid_get_cache,
 548                 [LIBBLKID=`$PKG_CONFIG --libs blkid`;
 549                  STATIC_LIBBLKID=`$PKG_CONFIG --static --libs blkid`],
 550                 [AC_MSG_ERROR([external blkid library not found])], -luuid)
 551         BLKID_CMT=#
 552         PROFILED_LIBBLKID=$LIBBLKID
 553         AC_MSG_RESULT([Disabling private blkid library])
 554 else
 555         LIBBLKID='$(LIB)/libblkid'$LIB_EXT
 556         DEPLIBBLKID=$LIBBLKID
 557         STATIC_LIBBLKID='$(LIB)/libblkid'$STATIC_LIB_EXT
 558         DEPSTATIC_LIBBLKID=$STATIC_LIBBLKID
 559         PROFILED_LIBBLKID='$(LIB)/libblkid'$PROFILED_LIB_EXT
 560         DEPPROFILED_LIBBLKID=$PROFILED_LIBBLKID
 561         AC_DEFINE(CONFIG_BUILD_FINDFS, 1)
 562         AC_MSG_RESULT([Enabling private blkid library])
 563 fi
 564 ,
 565 if test -n "$PKG_CONFIG"; then
 566         AC_CHECK_LIB(blkid, blkid_get_cache,
 567                 [LIBBLKID=`$PKG_CONFIG --libs blkid`;
 568                  STATIC_LIBBLKID=`$PKG_CONFIG --static --libs blkid`])
 569 fi
 570 if test -n "$LIBBLKID"; then
 571         BLKID_CMT=#
 572         PROFILED_LIBBLKID=$LIBBLKID
 573         AC_MSG_RESULT([Using system blkid library by default])
 574 else
 575         LIBBLKID='$(LIB)/libblkid'$LIB_EXT
 576         DEPLIBBLKID=$LIBBLKID
 577         STATIC_LIBBLKID='$(LIB)/libblkid'$STATIC_LIB_EXT
 578         DEPSTATIC_LIBBLKID=$STATIC_LIBBLKID
 579         PROFILED_LIBBLKID='$(LIB)/libblkid'$PROFILED_LIB_EXT
 580         DEPPROFILED_LIBBLKID=$PROFILED_LIBBLKID
 581         AC_DEFINE(CONFIG_BUILD_FINDFS, 1)
 582         AC_MSG_RESULT([Enabling private blkid library by default])
 583 fi
 584 )
 585 AC_SUBST(LIBBLKID)
 586 AC_SUBST(DEPLIBBLKID)
 587 AC_SUBST(STATIC_LIBBLKID)
 588 AC_SUBST(DEPSTATIC_LIBBLKID)
 589 AC_SUBST(PROFILED_LIBBLKID)
 590 AC_SUBST(DEPPROFILED_LIBBLKID)
 591 AC_SUBST(BLKID_CMT)
 592 dnl
 593 dnl handle --enable-subset
 594 dnl
 595 ALL_CMT=
 596 SUBSET_CMT=
 597 AC_ARG_ENABLE([subset],
 598 AS_HELP_STRING([--enable-subset],[enable subset-only build]),
 599 if test "$enableval" = "no"
 600 then
 601         SUBSET_CMT=#
 602         AC_MSG_RESULT([Disabling subset-only build])
 603 else
 604         ALL_CMT=#
 605         AC_MSG_RESULT([Enabling subset-only-build])
 606 fi
 607 ,)
 608 AC_SUBST(ALL_CMT)
 609 AC_SUBST(SUBSET_CMT)
 610 dnl
 611 dnl handle --disable-backtrace
 612 dnl
 613 AH_TEMPLATE([DISABLE_BACKTRACE], [Define to 1 to disable use of backtrace])
 614 AC_ARG_ENABLE([backtrace],
 615 AS_HELP_STRING([--disable-backtrace],[disable use backtrace]),
 616 if test "$enableval" = "no"
 617 then
 618         AC_MSG_RESULT([Disabling use of backtrace])
 619         AC_DEFINE(DISABLE_BACKTRACE, 1)
 620 else
 621         AC_MSG_RESULT([Enabling use of backtrace])
 622 fi
 623 ,
 624 AC_MSG_RESULT([Enabling use of backtrace by default])
 625 )
 626 dnl
 627 dnl handle --enable-debugfs
 628 dnl
 629 AC_ARG_ENABLE([debugfs],
 630 AS_HELP_STRING([--disable-debugfs],[disable support of debugfs program]),
 631 if test "$enableval" = "no"
 632 then
 633         AC_MSG_RESULT([Disabling debugfs support])
 634         DEBUGFS_CMT="#"
 635 else
 636         DEBUGFS_CMT=
 637         AC_MSG_RESULT([Enabling debugfs support])
 638 fi
 639 ,
 640 AC_MSG_RESULT([Enabling debugfs support by default])
 641 DEBUGFS_CMT=
 642 )
 643 AC_SUBST(DEBUGFS_CMT)
 644 dnl
 645 dnl handle --enable-imager
 646 dnl
 647 AC_ARG_ENABLE([imager],
 648 AS_HELP_STRING([--disable-imager],[disable support of e2image program]),
 649 if test "$enableval" = "no"
 650 then
 651         AC_MSG_RESULT([Disabling e2image support])
 652         IMAGER_CMT="#"
 653 else
 654         IMAGER_CMT=
 655         AC_MSG_RESULT([Enabling e2image support])
 656 fi
 657 ,
 658 AC_MSG_RESULT([Enabling e2image support by default])
 659 IMAGER_CMT=
 660 )
 661 AC_SUBST(IMAGER_CMT)
 662 dnl
 663 dnl handle --enable-resizer
 664 dnl
 665 AC_ARG_ENABLE([resizer],
 666 AS_HELP_STRING([--disable-resizer],[disable support of e2resize program]),
 667 if test "$enableval" = "no"
 668 then
 669         AC_MSG_RESULT([Disabling e2resize support])
 670         RESIZER_CMT="#"
 671 else
 672         RESIZER_CMT=
 673         AC_MSG_RESULT([Enabling e2resize support])
 674 fi
 675 ,
 676 AC_MSG_RESULT([Enabling e2resize support by default])
 677 RESIZER_CMT=
 678 )
 679 AC_SUBST(RESIZER_CMT)
 680 dnl
 681 dnl handle --enable-defrag
 682 dnl
 683 AC_ARG_ENABLE([defrag],
 684 AS_HELP_STRING([--disable-defrag],[disable support of e4defrag program]),
 685 if test "$enableval" = "no"
 686 then
 687         AC_MSG_RESULT([Disabling e4defrag support])
 688         DEFRAG_CMT="#"
 689 else
 690         DEFRAG_CMT=
 691         AC_MSG_RESULT([Enabling e4defrag support])
 692 fi
 693 ,
 694 if test -z "$WITH_DIET_LIBC"
 695 then
 696         AC_MSG_RESULT([Enabling e4defrag support by default])
 697         DEFRAG_CMT=
 698 else
 699         AC_MSG_RESULT([Disabling e4defrag support by default])
 700         DEFRAG_CMT="#"
 701 fi
 702 )
 703 AC_SUBST(DEFRAG_CMT)
 704 dnl
 705 dnl See whether to install the `fsck' wrapper program (that calls e2fsck)
 706 dnl
 707 AC_ARG_ENABLE([fsck],
 708 AS_HELP_STRING([--enable-fsck],[build fsck wrapper program]),
 709 [if test "$enableval" = "no"
 710 then
 711         FSCK_PROG='' FSCK_MAN=''
 712         AC_MSG_RESULT([Not building fsck wrapper])
 713 else
 714         FSCK_PROG=fsck FSCK_MAN=fsck.8
 715         AC_MSG_RESULT([Building fsck wrapper])
 716 fi]
 717 ,
 718 [case "$host_os" in
 719   gnu*)
 720     FSCK_PROG='' FSCK_MAN=''
 721     AC_MSG_RESULT([Not building fsck wrapper by default])
 722     ;;
 723   *)
 724     FSCK_PROG=fsck FSCK_MAN=fsck.8
 725     AC_MSG_RESULT([Building fsck wrapper by default])
 726 esac]
 727 )
 728 AC_SUBST(FSCK_PROG)
 729 AC_SUBST(FSCK_MAN)
 730 dnl
 731 dnl See whether to install the `e2initrd-helper' program
 732 dnl
 733 AC_ARG_ENABLE([e2initrd-helper],
 734 AS_HELP_STRING([--enable-e2initrd-helper],[build e2initrd-helper program]),
 735 [if test "$enableval" = "no"
 736 then
 737         E2INITRD_PROG='' E2INITRD_MAN=''
 738         AC_MSG_RESULT([Not building e2initrd helper])
 739 else
 740         E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
 741         AC_MSG_RESULT([Building e2initrd helper])
 742 fi]
 743 ,
 744 E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
 745 AC_MSG_RESULT([Building e2initrd helper by default])
 746 )
 747 AC_SUBST(E2INITRD_PROG)
 748 AC_SUBST(E2INITRD_MAN)
 749 dnl
 750 dnl
 751 dnl
 752 AC_ARG_ENABLE([tls],
 753 AS_HELP_STRING([--disable-tls],[disable use of thread local support]),
 754 [if test "$enableval" = "no"
 755 then
 756         try_tls=""
 757         AC_MSG_RESULT([Disabling thread local support])
 758 else
 759         try_tls="yes"
 760         AC_MSG_RESULT([Enabling thread local support])
 761 fi]
 762 ,
 763 if test -n "$WITH_DIET_LIBC"
 764 then
 765         try_tls=""
 766         AC_MSG_RESULT([Diet libc does not support thread local support])
 767 else
 768         try_tls="yes"
 769         AC_MSG_RESULT([Try using thread local support by default])
 770 fi
 771 )
 772 if test "$try_tls" = "yes"
 773 then
 774 AX_TLS
 775 fi
 776 dnl
 777 dnl
 778 dnl
 779 AC_ARG_WITH([pthread],
 780 AS_HELP_STRING([--without-pthread],[disable use of pthread support]),
 781 [if test "$withval" = "no"
 782 then
 783         try_pthread=""
 784         AC_MSG_RESULT([Disabling pthread support])
 785 else
 786         try_pthread="yes"
 787         AC_MSG_RESULT([Testing for pthread support])
 788 fi]
 789 ,
 790 try_pthread="yes"
 791 AC_MSG_RESULT([Try testing for pthread support by default])
 792 )
 793 if test "$try_pthread" = "yes"
 794 then
 795 AX_PTHREAD
 796 else
 797 test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
 798 AC_SUBST([PTHREAD_CC])
 799 fi
 800 dnl
 801 dnl
 802 dnl
 803 AH_TEMPLATE([USE_UUIDD], [Define to 1 to build uuidd])
 804 AC_ARG_ENABLE([uuidd],
 805 AS_HELP_STRING([--disable-uuidd],[disable building the uuid daemon]),
 806 [if test "$enableval" = "no"
 807 then
 808         AC_MSG_RESULT([Not building uuidd])
 809         UUIDD_CMT="#"
 810 else
 811         AC_DEFINE(USE_UUIDD, 1)
 812         UUIDD_CMT=""
 813         AC_MSG_RESULT([Building uuidd])
 814 fi]
 815 ,
 816 AC_DEFINE(USE_UUIDD, 1)
 817 if test -z "$UUID_CMT"
 818 then
 819         UUIDD_CMT=""
 820         AC_MSG_RESULT([Building uuidd by default])
 821 else
 822         UUIDD_CMT="#"
 823         AC_MSG_RESULT([Disabling uuidd by default])
 824 fi
 825 )
 826 AC_SUBST(UUIDD_CMT)
 827 dnl
 828 dnl handle --disable-mmp
 829 dnl
 830 AH_TEMPLATE([CONFIG_MMP], [Define to 1 to enable mmp support])
 831 AC_ARG_ENABLE([mmp],
 832 AS_HELP_STRING([--disable-mmp],[disable support mmp, Multi Mount Protection]),
 833 if test "$enableval" = "no"
 834 then
 835         AC_MSG_RESULT([Disabling mmp support])
 836 else
 837         AC_MSG_RESULT([Enabling mmp support])
 838         AC_DEFINE(CONFIG_MMP, 1)
 839 fi
 840 ,
 841 AC_MSG_RESULT([Enabling mmp support by default])
 842 AC_DEFINE(CONFIG_MMP, 1)
 843 )
 844 dnl
 845 dnl handle --disable-tdb
 846 dnl
 847 AH_TEMPLATE([CONFIG_TDB], [Define to 1 to enable tdb support])
 848 AC_ARG_ENABLE([tdb],
 849 AS_HELP_STRING([--disable-tdb],[disable tdb support]),
 850 [
 851 if test "$enableval" = "no"
 852 then
 853         AC_MSG_RESULT([Disabling tdb support])
 854         CONFIG_TDB=0
 855 else
 856         AC_MSG_RESULT([Enabling tdb support])
 857         CONFIG_TDB=1
 858 fi
 859 ]
 860 ,
 861 [
 862 case "$host_os" in
 863 mingw*)
 864         AC_MSG_RESULT([Disabling tdb support by default])
 865         CONFIG_TDB=0
 866         ;;
 867 *)
 868         AC_MSG_RESULT([Enabling tdb support by default])
 869         CONFIG_TDB=1
 870         ;;
 871 esac
 872 ]
 873 )
 874 if test "$CONFIG_TDB" = "1"
 875 then
 876         AC_DEFINE(CONFIG_TDB, 1)
 877         TDB_CMT=""
 878         TDB_MAN_COMMENT=""
 879 else
 880         TDB_CMT="#"
 881         TDB_MAN_COMMENT='.\"'
 882 fi
 883 AC_SUBST(TDB_CMT)
 884 AC_SUBST(TDB_MAN_COMMENT)
 885 dnl
 886 dnl handle --disable-bmap-stats
 887 dnl
 888 AH_TEMPLATE([ENABLE_BMAP_STATS], [Define to 1 to enable bitmap stats.])
 889 AC_ARG_ENABLE([bmap-stats],
 890 AS_HELP_STRING([--disable-bmap-stats],[disable collection of bitmap stats]),
 891 if test "$enableval" = "no"
 892 then
 893         AC_MSG_RESULT([Disabling bitmap statistics support])
 894 else
 895         AC_MSG_RESULT([Enabling bitmap statistics support])
 896         AC_DEFINE(ENABLE_BMAP_STATS, 1)
 897 fi
 898 ,
 899 AC_MSG_RESULT([Enabling bitmap statistics support by default])
 900 AC_DEFINE(ENABLE_BMAP_STATS, 1)
 901 )
 902 dnl
 903 dnl handle --enable-bmap-stats-ops
 904 dnl
 905 AH_TEMPLATE([ENABLE_BMAP_STATS_OPS], [Define to 1 to enable bitmap stats.])
 906 AC_ARG_ENABLE([bmap-stats-ops],
 907 AS_HELP_STRING([--enable-bmap-stats-ops],[enable collection of additional bitmap stats]),
 908 if test "$enableval" = "no"
 909 then
 910         AC_MSG_RESULT([Disabling additional bitmap statistics])
 911 else
 912         dnl There has to be a better way!
 913         AS_IF([test "x${enable_bmap_stats}" = "xno"],
 914          AC_MSG_FAILURE([Error --enable-bmap-stats-ops requires bmap-stats]))
 915
 916         AC_MSG_RESULT([Enabling additional bitmap statistics])
 917         AC_DEFINE(ENABLE_BMAP_STATS_OPS, 1)
 918 fi
 919 ,
 920 AC_MSG_RESULT([Disabling additional bitmap statistics by default])
 921 )
 922 dnl
 923 dnl
 924 dnl
 925 MAKEFILE_LIBRARY=$srcdir/lib/Makefile.library
 926 AC_SUBST_FILE(MAKEFILE_LIBRARY)
 927 dnl
 928 dnl Add internationalization support, using gettext.
 929 dnl
 930 GETTEXT_PACKAGE=e2fsprogs
 931 PACKAGE=e2fsprogs
 932 VERSION="$E2FSPROGS_VERSION"
 933 VERSION=0.14.1
 934 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [package name for gettext])
 935 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [version for gettext])
 936 AC_SUBST(GETTEXT_PACKAGE)
 937 AC_SUBST(PACKAGE)
 938 AC_SUBST(VERSION)
 939
 940 AM_GNU_GETTEXT([external])
 941 dnl
 942 dnl End of configuration options
 943 dnl
 944 AC_SUBST(BINARY_TYPE)
 945 AC_PROG_MAKE_SET
 946 CHECK_GNU_MAKE
 947 AC_PATH_PROG(LN, ln, ln)
 948 AC_PROG_MKDIR_P
 949 dnl
 950 dnl @mkdir_p@ is used by po's Makefile.in
 951 dnl
 952 mkdir_p=$MKDIR_P
 953 AC_SUBST(mkdir_p)
 954 AC_PROG_LN_S
 955 AC_PATH_PROG(MV, mv, mv)
 956 AC_PATH_PROG(CP, cp, cp)
 957 AC_PATH_PROG(RM, rm, rm)
 958 AC_PATH_PROG(CHMOD, chmod, :)
 959 AC_PROG_AWK
 960 AC_PROG_EGREP
 961 AC_PATH_PROG(SED, sed, sed)
 962 AC_PATH_PROG(PERL, perl, perl)
 963 AC_PATH_PROG(LDCONFIG, ldconfig, :)
 964 AC_CHECK_TOOL(AR, ar, ar)
 965 AC_CHECK_TOOL(RANLIB, ranlib, :)
 966 AC_CHECK_TOOL(STRIP, strip, :)
 967 AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
 968 if test "_$MAKEINFO" = "_"; then
 969     MAKEINFO="echo Makeinfo is missing. Info documentation will not be built."
 970 else
 971     case "$MAKEINFO" in
 972       */missing.*)
 973         AC_MSG_WARN([
 974 *** Makeinfo is missing. Info documentation will not be built.])
 975         ;;
 976       *)
 977         ;;
 978     esac
 979 fi
 980 AC_SUBST(MAKEINFO)
 981 AC_PROG_INSTALL
 982 # See if we need a separate native compiler.
 983 if test $cross_compiling = no; then
 984   BUILD_CC="$CC"
 985   AC_SUBST(BUILD_CC)
 986 else
 987   AC_CHECK_PROGS(BUILD_CC, gcc cc)
 988 fi
 989 AC_CHECK_HEADERS(m4_flatten([
 990         dirent.h
 991         errno.h
 992         execinfo.h
 993         getopt.h
 994         malloc.h
 995         mntent.h
 996         paths.h
 997         pthread.h
 998         semaphore.h
 999         setjmp.h
1000         signal.h
1001         stdarg.h
1002         stdint.h
1003         stdlib.h
1004         termios.h
1005         termio.h
1006         unistd.h
1007         utime.h
1008         attr/xattr.h
1009         linux/falloc.h
1010         linux/fd.h
1011         linux/fsmap.h
1012         linux/major.h
1013         linux/loop.h
1014         linux/types.h
1015         net/if_dl.h
1016         netinet/in.h
1017         sys/acl.h
1018         sys/disklabel.h
1019         sys/disk.h
1020         sys/file.h
1021         sys/ioctl.h
1022         sys/key.h
1023         sys/mkdev.h
1024         sys/mman.h
1025         sys/mount.h
1026         sys/prctl.h
1027         sys/random.h
1028         sys/resource.h
1029         sys/select.h
1030         sys/socket.h
1031         sys/sockio.h
1032         sys/stat.h
1033         sys/syscall.h
1034         sys/sysmacros.h
1035         sys/time.h
1036         sys/types.h
1037         sys/un.h
1038         sys/wait.h
1039         sys/xattr.h
1040 ]))
1041 case "$host_os" in
1042 mingw*)
1043         # The above checks only detect system headers, not the headers in
1044         # ./include/mingw/, so explicitly define them to be available.
1045         AC_DEFINE(HAVE_LINUX_TYPES_H, 1)
1046         AC_DEFINE(HAVE_SYS_STAT_H, 1)
1047         AC_DEFINE(HAVE_SYS_SYSMACROS_H, 1)
1048         AC_DEFINE(HAVE_SYS_TYPES_H, 1)
1049         AC_DEFINE(HAVE_UNISTD_H, 1)
1050         ;;
1051 esac
1052 dnl Check where to find a dd(1) that supports iflag=fullblock
1053 dnl and oflag=append
1054 AC_MSG_CHECKING([for a dd(1) program that supports iflag=fullblock])
1055 DD=
1056 for i in dd gdd ; do
1057         if "$i" if=/dev/null of=/dev/null count=1 bs=10k 2>/dev/null iflag=fullblock oflag=append ; then
1058                 DD=$i
1059                 break
1060         fi
1061 done
1062 if test -n "$DD" ; then
1063         AC_MSG_RESULT([$DD])
1064 else
1065         AC_MSG_RESULT([not found, using dd])
1066         DD=dd
1067         AC_MSG_WARN([No GNU-compatible dd(1) program found, expect some self-test failures.])
1068 fi
1069 AC_SUBST([DD])
1070
1071 AC_CHECK_HEADERS(net/if.h,,,
1072 [[
1073 #if HAVE_SYS_TYPES_H
1074 #include <sys/types.h>
1075 #endif
1076 #if HAVE_SYS_SOCKET
1077 #include <sys/socket.h>
1078 #endif
1079 ]])
1080 AC_FUNC_VPRINTF
1081 dnl Check to see if dirent has member d_reclen. On cygwin those d_reclen
1082 dnl is not declared.
1083 AC_CHECK_MEMBER(struct dirent.d_reclen,[AC_DEFINE(HAVE_RECLEN_DIRENT, 1,
1084                        [Define to 1 if dirent has d_reclen])],,
1085                 [#include <dirent.h>])
1086 AC_CHECK_MEMBERS([struct stat.st_atim])
1087 dnl Check to see if ssize_t was declared
1088 AC_CHECK_TYPE(ssize_t,[AC_DEFINE(HAVE_TYPE_SSIZE_T, 1,
1089                 [Define to 1 if ssize_t declared])],,
1090               [#include <sys/types.h>])
1091 dnl
1092 dnl Check to see if llseek() is declared in unistd.h.  On some libc's
1093 dnl it is, and on others it isn't..... Thank you glibc developers....
1094 dnl
1095 AC_CHECK_DECL(llseek,[AC_DEFINE(HAVE_LLSEEK_PROTOTYPE, 1,
1096                         [Define to 1 if llseek declared in unistd.h])],,
1097               [#include <unistd.h>])
1098 dnl
1099 dnl Check to see if lseek64() is declared in unistd.h.  Glibc's header files
1100 dnl are so convoluted that I can't tell whether it will always be defined,
1101 dnl and if it isn't defined while lseek64 is defined in the library,
1102 dnl disaster will strike.
1103 dnl
1104 dnl Warning!  Use of --enable-gcc-wall may throw off this test.
1105 dnl
1106 dnl
1107 AC_CHECK_DECL(lseek64,[AC_DEFINE(HAVE_LSEEK64_PROTOTYPE, 1,
1108                         [Define to 1 if lseek64 declared in unistd.h])],,
1109                 [#define _LARGEFILE_SOURCE
1110                  #define _LARGEFILE64_SOURCE
1111                  #include <unistd.h>])
1112 dnl
1113 dnl Word sizes...
1114 dnl
1115 AC_CHECK_SIZEOF(short)
1116 AC_CHECK_SIZEOF(int)
1117 AC_CHECK_SIZEOF(long)
1118 AC_CHECK_SIZEOF(long long)
1119 AC_CHECK_SIZEOF(off_t)
1120 AC_CHECK_SIZEOF(time_t)
1121 SIZEOF_SHORT=$ac_cv_sizeof_short
1122 SIZEOF_INT=$ac_cv_sizeof_int
1123 SIZEOF_LONG=$ac_cv_sizeof_long
1124 SIZEOF_LONG_LONG=$ac_cv_sizeof_long_long
1125 SIZEOF_OFF_T=$ac_cv_sizeof_off_t
1126 SIZEOF_TIME_T=$ac_cv_sizeof_time_t
1127 AC_SUBST(SIZEOF_SHORT)
1128 AC_SUBST(SIZEOF_INT)
1129 AC_SUBST(SIZEOF_LONG)
1130 AC_SUBST(SIZEOF_LONG_LONG)
1131 AC_SUBST(SIZEOF_OFF_T)
1132 AC_SUBST(SIZEOF_TIME_T)
1133 AC_C_BIGENDIAN
1134 if test $cross_compiling = no; then
1135   BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
1136 else
1137   CROSS_COMPILE="1" BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
1138 fi
1139 ASM_TYPES_HEADER=./asm_types.h
1140 AC_SUBST_FILE(ASM_TYPES_HEADER)
1141 dnl
1142 dnl Save the configuration #defines needed for the public ext2fs.h
1143 dnl header file
1144 dnl
1145 echo "/* These defines are needed for the public ext2fs.h header file */" \
1146      > public_config.h
1147 if grep HAVE_SYS_TYPES_H confdefs.h > tmp_config.$$; then
1148   uniq tmp_config.$$ >> public_config.h
1149 else
1150   echo "#undef HAVE_SYS_TYPES_H" >> public_config.h
1151 fi
1152 if grep WORDS_BIGENDIAN confdefs.h > tmp_config.$$; then
1153   uniq tmp_config.$$ >> public_config.h
1154 else
1155   echo "#undef WORDS_BIGENDIAN" >> public_config.h
1156 fi
1157 rm -f tmp_config.$$
1158 PUBLIC_CONFIG_HEADER=./public_config.h
1159 AC_SUBST_FILE(PUBLIC_CONFIG_HEADER)
1160 dnl
1161 dnl See if we have inttypes.h and if intptr_t is defined
1162 dnl
1163 AC_CHECK_HEADERS([inttypes.h])
1164 AC_CHECK_TYPES(intptr_t)
1165 dnl
1166 dnl See if struct stat has a st_flags field, in which case we can get file
1167 dnl flags somewhat portably.  Also check for the analogous setter, chflags().
1168 dnl
1169 AC_MSG_CHECKING(whether struct stat has a st_flags field)
1170 AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags,
1171         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[struct stat stat; stat.st_flags = 0;]])],[e2fsprogs_cv_struct_st_flags=yes],[e2fsprogs_cv_struct_st_flags=no]))
1172 AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags)
1173 if test "$e2fsprogs_cv_struct_st_flags" = yes; then
1174   AC_MSG_CHECKING(whether st_flags field is useful)
1175   AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags_immut,
1176         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[struct stat stat; stat.st_flags |= UF_IMMUTABLE;]])],[e2fsprogs_cv_struct_st_flags_immut=yes],[e2fsprogs_cv_struct_st_flags_immut=no]))
1177   AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags_immut)
1178   if test "$e2fsprogs_cv_struct_st_flags_immut" = yes; then
1179           AC_DEFINE(HAVE_STAT_FLAGS, 1,
1180                 [Define to 1 if struct stat has st_flags])
1181   fi
1182 fi
1183 dnl
1184 dnl Check for the presence of SA_LEN
1185 dnl
1186 AC_CHECK_MEMBER(struct sockaddr.sa_len,
1187                 AC_DEFINE_UNQUOTED(HAVE_SA_LEN,1,
1188                         [Define to 1 if if struct sockaddr contains sa_len]),,
1189         [#include <sys/types.h>
1190          #include <sys/socket.h>])
1191 dnl
1192 dnl If we are using the system-provided blkid library, check for
1193 dnl the functions added after migrating that library to util-linux
1194 dnl
1195 if test -n "$BLKID_CMT"; then
1196   AC_CHECK_LIB(blkid, blkid_probe_get_topology,
1197                       AC_DEFINE(HAVE_BLKID_PROBE_GET_TOPOLOGY, 1,
1198                                 [Define to 1 if blkid has blkid_probe_get_topology]))
1199   AC_CHECK_LIB(blkid, blkid_topology_get_dax,
1200                       AC_DEFINE(HAVE_BLKID_TOPOLOGY_GET_DAX, 1,
1201                                 [Define to 1 if blkid has blkid_topology_get_dax]))
1202   AC_CHECK_LIB(blkid, blkid_probe_enable_partitions,
1203                       AC_DEFINE(HAVE_BLKID_PROBE_ENABLE_PARTITIONS, 1,
1204                                 [Define to 1 if blkid has blkid_probe_enable_partitions]))
1205 fi
1206 dnl
1207 if test -n "$DLOPEN_LIB" ; then
1208    ac_cv_func_dlopen=yes
1209 fi
1210 AC_CHECK_FUNCS(m4_flatten([
1211         __secure_getenv
1212         add_key
1213         backtrace
1214         chflags
1215         dlopen
1216         fadvise64
1217         fallocate
1218         fallocate64
1219         fchown
1220         fcntl
1221         fdatasync
1222         fstat64
1223         fsync
1224         ftruncate64
1225         futimes
1226         getcwd
1227         getdtablesize
1228         getentropy
1229         gethostname
1230         getmntinfo
1231         getpwuid_r
1232         getrandom
1233         getrlimit
1234         getrusage
1235         jrand48
1236         keyctl
1237         llistxattr
1238         llseek
1239         lseek64
1240         mallinfo
1241         mallinfo2
1242         mbstowcs
1243         memalign
1244         mempcpy
1245         mmap
1246         msync
1247         nanosleep
1248         open64
1249         pathconf
1250         posix_fadvise
1251         posix_fadvise64
1252         posix_memalign
1253         prctl
1254         pread
1255         pwrite
1256         pread64
1257         pwrite64
1258         qsort_r
1259         secure_getenv
1260         setmntent
1261         setresgid
1262         setresuid
1263         snprintf
1264         srandom
1265         stpcpy
1266         strcasecmp
1267         strdup
1268         strnlen
1269         strptime
1270         strtoull
1271         sync_file_range
1272         sysconf
1273         usleep
1274         utime
1275         utimes
1276         valloc
1277 ]))
1278 dnl
1279 dnl Check to see if -lsocket is required (solaris) to make something
1280 dnl that uses socket() to compile; this is needed for the UUID library
1281 dnl
1282 SOCKET_LIB=''
1283 AC_CHECK_LIB(socket, socket, [SOCKET_LIB=-lsocket])
1284 AC_SUBST(SOCKET_LIB)
1285 dnl
1286 dnl See if libmagic exists
1287 dnl
1288 AC_CHECK_LIB(magic, magic_file, [MAGIC_LIB=-lmagic
1289 AC_CHECK_HEADERS([magic.h])])
1290 if test "$ac_cv_func_dlopen" = yes ; then
1291    MAGIC_LIB=$DLOPEN_LIB
1292 fi
1293 AC_SUBST(MAGIC_LIB)
1294 dnl
1295 dnl Check to see if librt is required for clock_gettime() (glibc < 2.17)
1296 dnl
1297 AC_CHECK_LIB(rt, clock_gettime, [CLOCK_GETTIME_LIB=-lrt])
1298 AC_SUBST(CLOCK_GETTIME_LIB)
1299 dnl
1300 dnl Check to see if the FUSE library is -lfuse or -losxfuse
1301 dnl
1302 FUSE_CMT=
1303 FUSE_LIB=
1304 dnl osxfuse.dylib supersedes fuselib.dylib
1305 AC_ARG_ENABLE([fuse2fs],
1306 AS_HELP_STRING([--disable-fuse2fs],[do not build fuse2fs]),
1307 if test "$enableval" = "no"
1308 then
1309         FUSE_CMT="#"
1310         AC_MSG_RESULT([Disabling fuse2fs])
1311 else
1312         AC_CHECK_HEADERS([pthread.h fuse.h], [],
1313 [AC_MSG_FAILURE([Cannot find fuse2fs headers.])],
1314 [#define _FILE_OFFSET_BITS      64
1315 #define FUSE_USE_VERSION 29])
1316
1317         AC_PREPROC_IFELSE(
1318 [AC_LANG_PROGRAM([[#define FUSE_USE_VERSION 29
1319 #ifdef __linux__
1320 #include <linux/fs.h>
1321 #include <linux/falloc.h>
1322 #include <linux/xattr.h>
1323 #endif
1324 ]], [])], [], [AC_MSG_FAILURE([Cannot find fuse2fs Linux headers.])])
1325
1326         AC_CHECK_LIB(osxfuse, fuse_main, [FUSE_LIB=-losxfuse],
1327                 [AC_CHECK_LIB(fuse, fuse_main, [FUSE_LIB=-lfuse],
1328                               [AC_MSG_FAILURE([Cannot find fuse library.])])])
1329         AC_MSG_RESULT([Enabling fuse2fs])
1330 fi
1331 ,
1332 AC_CHECK_HEADERS([pthread.h fuse.h], [], [FUSE_CMT="#"],
1333 [#define _FILE_OFFSET_BITS      64
1334 #define FUSE_USE_VERSION 29
1335 #ifdef __linux__
1336 # include <linux/fs.h>
1337 # include <linux/falloc.h>
1338 # include <linux/xattr.h>
1339 #endif])
1340 if test -z "$FUSE_CMT"
1341 then
1342         AC_CHECK_LIB(osxfuse, fuse_main, [FUSE_LIB=-losxfuse],
1343 [AC_CHECK_LIB(fuse, fuse_main, [FUSE_LIB=-lfuse], [FUSE_CMT="#"])])
1344 fi
1345 if test -z "$FUSE_CMT"
1346 then
1347         AC_MSG_RESULT([Enabling fuse2fs by default.])
1348 fi
1349 )
1350 AC_SUBST(FUSE_LIB)
1351 AC_SUBST(FUSE_CMT)
1352 dnl
1353 dnl See if optreset exists
1354 dnl
1355 AC_MSG_CHECKING(for optreset)
1356 AC_CACHE_VAL(ac_cv_have_optreset,
1357 [AC_EGREP_HEADER(optreset, unistd.h,
1358   ac_cv_have_optreset=yes, ac_cv_have_optreset=no)])dnl
1359 AC_MSG_RESULT($ac_cv_have_optreset)
1360 if test $ac_cv_have_optreset = yes; then
1361   AC_DEFINE(HAVE_OPTRESET, 1, [Define to 1 if optreset for getopt is present])
1362 fi
1363 dnl
1364 dnl Test for sem_init, and which library it might require:
1365 dnl
1366 AH_TEMPLATE([HAVE_SEM_INIT], [Define to 1 if sem_init() exists])
1367 SEM_INIT_LIB=''
1368 echo GL_THREADS_API: ${gl_threads_api}
1369 if test "${gl_threads_api}" != none
1370 then
1371   AC_CHECK_FUNC(sem_init, ,
1372     AC_CHECK_LIB(pthread, sem_init,
1373         AC_DEFINE(HAVE_SEM_INIT, 1)
1374         SEM_INIT_LIB=-lpthread,
1375     AC_CHECK_LIB(rt, sem_init,
1376         AC_DEFINE(HAVE_SEM_INIT, 1)
1377         SEM_INIT_LIB=-lrt,
1378     AC_CHECK_LIB(posix4, sem_init,
1379         AC_DEFINE(HAVE_SEM_INIT, 1)
1380         SEM_INIT_LIB=-lposix4))))dnl
1381 fi
1382 AC_SUBST(SEM_INIT_LIB)
1383 dnl
1384 dnl qsort_r detection
1385 dnl
1386 AS_IF([test "$ac_cv_func_qsort_r" != no], [
1387   AC_CACHE_CHECK(whether qsort_r is GNU version, e2_cv_gnu_qsort_r,
1388     [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1389 @%:@include <stdlib.h>
1390 void (qsort_r)(void *base, size_t nmemb, size_t size,
1391             int (*compar)(const void *, const void *, void *),
1392             void *arg);
1393 ]], [[ ]])],[e2_cv_gnu_qsort_r=yes],[e2_cv_gnu_qsort_r=no])
1394   ])
1395   AC_CACHE_CHECK(whether qsort_r is BSD version, e2_cv_bsd_qsort_r,
1396     [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1397 @%:@include <stdlib.h>
1398 void (qsort_r)(void *base, size_t nmemb, size_t size,
1399              void *arg, int (*compar)(void *, const void *, const void *));
1400 ]], [[ ]])],[e2_cv_bsd_qsort_r=yes],[e2_cv_bsd_qsort_r=no])
1401   ])
1402   AS_CASE("$e2_cv_gnu_qsort_r:$e2_cv_bsd_qsort_r",
1403   [yes:no], [
1404     AC_DEFINE(HAVE_GNU_QSORT_R, 1, [ Define to 1 if you have the GNU-style 'qsort_r' function.])
1405   ],
1406   [no:yes], [
1407     AC_DEFINE(HAVE_BSD_QSORT_R, 1, [ Define to 1 if you have the BSD-style 'qsort_r' function.])
1408   ])
1409 ])
1410 dnl
1411 dnl Check for unified diff
1412 dnl
1413 AC_MSG_CHECKING(for unified diff option)
1414 if diff -u $0 $0 > /dev/null 2>&1 ; then
1415    UNI_DIFF_OPTS=-u
1416 else
1417    UNI_DIFF_OPTS=-c
1418 fi
1419 AC_MSG_RESULT($UNI_DIFF_OPTS)
1420 AC_SUBST(UNI_DIFF_OPTS)
1421 dnl
1422 dnl We use the EXT2 ioctls only under Linux
1423 dnl
1424 case "$host_os" in
1425 linux*)
1426         AC_DEFINE(HAVE_EXT2_IOCTLS, 1, [Define to 1 if Ext2 ioctls present])
1427         ;;
1428 esac
1429 dnl
1430 dnl Check the available mount options
1431 dnl
1432 AX_CHECK_MOUNT_OPT(nosuid)
1433 AX_CHECK_MOUNT_OPT(nodev)
1434 dnl Enable LTO for all packages
1435 dnl
1436 AC_ARG_ENABLE([lto],
1437 AS_HELP_STRING([--enable-lto],[enable link time optimization]),,
1438 enable_lto=no)
1439 if test "$enable_lto" = "yes" || test "$enable_lto" = "probe"; then
1440         AC_MSG_CHECKING([if C compiler supports LTO])
1441         OLD_CFLAGS="$CFLAGS"
1442         OLD_LDFLAGS="$LDFLAGS"
1443         LTO_FLAGS="-g -flto -ffat-lto-objects"
1444         CFLAGS="$CFLAGS $LTO_FLAGS"
1445         LDFLAGS="$LDFLAGS $LTO_FLAGS"
1446         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1447                 [AC_MSG_RESULT([yes])]
1448                 [lto_cflags=$LTO_FLAGS]
1449                 [lto_ldflags=$LTO_FLAGS]
1450                 [AC_PATH_PROG(gcc_ar, gcc-ar,,)]
1451                 [AC_PATH_PROG(gcc_ranlib, gcc-ranlib,,)],
1452                 [AC_MSG_RESULT([no])])
1453         if test -x "$gcc_ar" && test -x "$gcc_ranlib"; then
1454                 have_lto=yes
1455                 AR="${gcc_ar}"
1456                 RANLIB="${gcc_ranlib}"
1457         fi
1458         CFLAGS="${OLD_CFLAGS}"
1459         LDFLAGS="${OLD_LDFLAGS}"
1460         AC_SUBST(have_lto)
1461         AC_SUBST(lto_cflags)
1462         AC_SUBST(lto_ldflags)
1463 fi
1464 if test "$enable_lto" = "yes" && test "$have_lto" != "yes"; then
1465         AC_MSG_ERROR([LTO not supported by compiler.])
1466 fi
1467 dnl
1468 dnl Enable UBSAN for all packages
1469 dnl
1470 AC_ARG_ENABLE([ubsan],
1471 AS_HELP_STRING([--enable-ubsan],[enable undefined behavior sanitizer]),,
1472 enable_ubsan=no)
1473 if test "$enable_ubsan" = "yes" || test "$enable_ubsan" = "probe"; then
1474         AC_MSG_CHECKING([if C compiler supports UBSAN])
1475         OLD_CFLAGS="$CFLAGS"
1476         OLD_LDFLAGS="$LDFLAGS"
1477         UBSAN_FLAGS="-fsanitize=undefined"
1478         CFLAGS="$CFLAGS $UBSAN_FLAGS"
1479         LDFLAGS="$LDFLAGS $UBSAN_FLAGS"
1480         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1481                 [AC_MSG_RESULT([yes])]
1482                 [ubsan_cflags=$UBSAN_FLAGS]
1483                 [ubsan_ldflags=$UBSAN_FLAGS]
1484                 [have_ubsan=yes],
1485                 [AC_MSG_RESULT([no])])
1486         CFLAGS="${OLD_CFLAGS}"
1487         LDFLAGS="${OLD_LDFLAGS}"
1488         AC_SUBST(have_ubsan)
1489         AC_SUBST(ubsan_cflags)
1490         AC_SUBST(ubsan_ldflags)
1491 fi
1492 if test "$enable_ubsan" = "yes" && test "$have_ubsan" != "yes"; then
1493         AC_MSG_ERROR([UBSAN not supported by compiler.])
1494 fi
1495 dnl
1496 dnl Enable ADDRSAN for all packages
1497 dnl
1498 AC_ARG_ENABLE([addrsan],
1499 AS_HELP_STRING([--enable-addrsan],[enable address sanitizer]),,
1500 enable_addrsan=no)
1501 if test "$enable_addrsan" = "yes" || test "$enable_addrsan" = "probe"; then
1502         AC_MSG_CHECKING([if C compiler supports ADDRSAN])
1503         OLD_CFLAGS="$CFLAGS"
1504         OLD_LDFLAGS="$LDFLAGS"
1505         ADDRSAN_FLAGS="-fsanitize=address"
1506         CFLAGS="$CFLAGS $ADDRSAN_FLAGS"
1507         LDFLAGS="$LDFLAGS $ADDRSAN_FLAGS"
1508         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1509                 [AC_MSG_RESULT([yes])]
1510                 [addrsan_cflags=$ADDRSAN_FLAGS]
1511                 [addrsan_ldflags=$ADDRSAN_FLAGS]
1512                 [have_addrsan=yes],
1513                 [AC_MSG_RESULT([no])])
1514         CFLAGS="${OLD_CFLAGS}"
1515         LDFLAGS="${OLD_LDFLAGS}"
1516         AC_SUBST(have_addrsan)
1517         AC_SUBST(addrsan_cflags)
1518         AC_SUBST(addrsan_ldflags)
1519 fi
1520 if test "$enable_addrsan" = "yes" && test "$have_addrsan" != "yes"; then
1521         AC_MSG_ERROR([ADDRSAN not supported by compiler.])
1522 fi
1523 dnl
1524 dnl Enable THREADSAN for all packages
1525 dnl
1526 AC_ARG_ENABLE([threadsan],
1527 AS_HELP_STRING([--enable-threadsan],[enable thread sanitizer]),,
1528 enable_threadsan=no)
1529 if test "$enable_threadsan" = "yes" || test "$enable_threadsan" = "probe"; then
1530         AC_MSG_CHECKING([if C compiler supports THREADSAN])
1531         OLD_CFLAGS="$CFLAGS"
1532         OLD_LDFLAGS="$LDFLAGS"
1533         THREADSAN_FLAGS="-fsanitize=thread"
1534         CFLAGS="$CFLAGS $THREADSAN_FLAGS"
1535         LDFLAGS="$LDFLAGS $THREADSAN_FLAGS"
1536         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1537                 [AC_MSG_RESULT([yes])]
1538                 [threadsan_cflags=$THREADSAN_FLAGS]
1539                 [threadsan_ldflags=$THREADSAN_FLAGS]
1540                 [have_threadsan=yes],
1541                 [AC_MSG_RESULT([no])])
1542         CFLAGS="${OLD_CFLAGS}"
1543         LDFLAGS="${OLD_LDFLAGS}"
1544         AC_SUBST(have_threadsan)
1545         AC_SUBST(threadsan_cflags)
1546         AC_SUBST(threadsan_ldflags)
1547 fi
1548 if test "$enable_threadsan" = "yes" && test "$have_threadsan" != "yes"; then
1549         AC_MSG_ERROR([THREADSAN not supported by compiler.])
1550 fi
1551 if test "$have_threadsan" = "yes" && test "$have_addrsan" = "yes"; then
1552         AC_MSG_WARN([ADDRSAN and THREADSAN are not known to work together.])
1553 fi
1554 dnl
1555 dnl Enable the fuzzer sanitizer for all packages
1556 dnl
1557 FUZZING_CMT="#"
1558 AC_ARG_ENABLE([fuzzing],
1559 AS_HELP_STRING([--enable-fuzzing],[enable fuzzing sanitizer]),,
1560 enable_fuzzing=no)
1561 if test "$enable_fuzzing" = "yes" || test "$enable_fuzzing" = "probe"; then
1562         AC_PROG_CXX
1563         AC_MSG_CHECKING([if C compiler supports fuzzing sanitizer])
1564         AC_LANG_PUSH([C++])
1565         OLD_CXXFLAGS="$CXXFLAGS"
1566         OLD_LDFLAGS="$LDFLAGS"
1567         FUZZER_FLAGS="-fsanitize=fuzzer"
1568         CXXFLAGS="$CXXFLAGS $FUZZER_FLAGS"
1569         LDFLAGS="$LDFLAGS $FUZZER_FLAGS"
1570         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1571                 #include <stddef.h>
1572                 #include <stdint.h>
1573                 ]],
1574                 [ return 0; ])],
1575                 [AC_MSG_RESULT([yes])]
1576                 [fuzzer_cflags=$FUZZER_FLAGS]
1577                 [fuzzer_ldflags=$FUZZER_FLAGS]
1578                 [FUZZING_CMT=]
1579                 [have_fuzzer=yes],
1580                 [AC_MSG_RESULT([no])]
1581                 [AC_MSG_ERROR([fuzzing requested but not available])])
1582         CXXFLAGS="${OLD_CXXFLAGS}"
1583         LDFLAGS="${OLD_LDFLAGS}"
1584         AC_LANG_POP([C++])
1585         AC_SUBST(have_fuzzer)
1586         AC_SUBST(fuzzer_cflags)
1587         AC_SUBST(fuzzer_ldflags)
1588 fi
1589 if test "$enable_fuzzer" = "yes" && test "$have_fuzzer" != "yes"; then
1590         AC_MSG_ERROR([Fuzzing not supported by compiler.])
1591 fi
1592 AC_SUBST(FUZZING_CMT)
1593 dnl
1594 dnl OS-specific uncomment control
1595 dnl
1596 LINUX_CMT="#"
1597 CYGWIN_CMT="#"
1598 UNIX_CMT=
1599 case "$host_os" in
1600 linux*)
1601         LINUX_CMT=
1602         ;;
1603 cygwin)
1604         CYGWIN_CMT=
1605         UNIX_CMT="#"
1606         ;;
1607 esac
1608 AC_SUBST(LINUX_CMT)
1609 AC_SUBST(CYGWIN_CMT)
1610 AC_SUBST(UNIX_CMT)
1611 dnl
1612 dnl e2scrub only builds on linux
1613 dnl
1614 E2SCRUB_CMT="$LINUX_CMT"
1615 AC_SUBST(E2SCRUB_CMT)
1616 dnl
1617 dnl Linux and Hurd places root files in the / by default
1618 dnl
1619 case "$host_os" in
1620 linux* | gnu* | k*bsd*-gnu)
1621         if test "$prefix" = NONE -a "$root_prefix" = NONE ; then
1622                 root_prefix="";
1623                 AC_MSG_RESULT([On $host_os systems, root_prefix defaults to ''])
1624         fi
1625         ;;
1626 esac
1627 dnl
1628 dnl On Linux/hurd, force the prefix to be /usr
1629 dnl
1630 case "$host_os" in
1631 linux* | gnu* | k*bsd*-gnu)
1632         if test "$prefix" = NONE ; then
1633                 prefix="/usr";
1634                 AC_MSG_RESULT([On $host_os systems, prefix defaults to /usr])
1635                 if test "$mandir" = '${prefix}/man' ; then
1636                         AC_MSG_RESULT([...and mandir defaults to /usr/share/man])
1637                         mandir=/usr/share/man
1638                 fi
1639         fi
1640 ;;
1641 esac
1642 if test "$root_prefix" = NONE ; then
1643         if test "$prefix" = NONE ; then
1644                 root_prefix="$ac_default_prefix"
1645         else
1646                 root_prefix="$prefix"
1647         fi
1648         root_bindir=$bindir
1649         root_sbindir=$sbindir
1650         root_libdir=$libdir
1651         root_sysconfdir=$sysconfdir
1652 else
1653         root_bindir='${root_prefix}/bin'
1654         root_sbindir='${root_prefix}/sbin'
1655         root_libdir='${root_prefix}/lib'
1656         root_sysconfdir='${root_prefix}/etc'
1657 fi
1658 if test "$bindir" != '${exec_prefix}/bin'; then
1659     root_bindir=$bindir
1660     AC_MSG_RESULT([Setting root_bindir to $root_bindir])
1661 fi
1662 if test "$sbindir" != '${exec_prefix}/sbin'; then
1663     root_sbindir=$sbindir
1664     AC_MSG_RESULT([Setting root_sbindir to $root_sbindir])
1665 fi
1666 if test "$libdir" != '${exec_prefix}/lib'; then
1667     root_libdir=$libdir
1668     AC_MSG_RESULT([Setting root_libdir to $root_libdir])
1669 fi
1670 if test "$sysconfdir" != '${prefix}/etc'; then
1671     root_sysconfdir=$sysconfdir
1672     AC_MSG_RESULT([Setting root_sysconfdir to $root_sysconfdir])
1673 fi
1674 AC_SUBST(root_prefix)
1675 AC_SUBST(root_bindir)
1676 AC_SUBST(root_sbindir)
1677 AC_SUBST(root_libdir)
1678 AC_SUBST(root_sysconfdir)
1679 dnl
1680 dnl Allow specification of the multiarch arch
1681 dnl
1682 AC_ARG_WITH([multiarch],
1683 AS_HELP_STRING([--with-multiarch=ARCH],[specify the multiarch triplet]),
1684 if test "$withval" = "lib64"; then
1685     libdir=/usr/lib64
1686     root_libdir=/lib64
1687 else
1688     libdir=$libdir/$withval
1689     root_libdir=$root_libdir/$withval
1690 fi
1691 )
1692 dnl
1693 dnl
1694 dnl See if -static works.  This could fail if the linker does not
1695 dnl support -static, or if required external libraries are not available
1696 dnl in static form.
1697 dnl
1698 AC_MSG_CHECKING([whether we can link with -static])
1699 AC_CACHE_VAL(ac_cv_e2fsprogs_use_static,
1700 [SAVE_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS_STATIC -static"
1701 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[fflush(stdout);]])],[ac_cv_e2fsprogs_use_static=yes],[ac_cv_e2fsprogs_use_static=no])
1702 LDFLAGS=$SAVE_LDFLAGS])
1703 dnl
1704 dnl Regardless of how the test turns out, Solaris doesn't handle -static
1705 dnl This is caused by the socket library requiring the nsl library, which
1706 dnl requires the -dl library, which only works for dynamically linked
1707 dnl programs.  It basically means you can't have statically linked programs
1708 dnl which use the network under Solaris.
1709 dnl
1710 case "$host_os" in
1711 solaris2.*)
1712         ac_cv_e2fsprogs_use_static=no
1713 ;;
1714 esac
1715 AC_MSG_RESULT($ac_cv_e2fsprogs_use_static)
1716 if test $ac_cv_e2fsprogs_use_static = yes; then
1717         LDFLAGS_STATIC="$LDFLAGS_STATIC -static"
1718 fi
1719 AC_SUBST(LDFLAGS_STATIC)
1720 dnl
1721 dnl Work around mysterious Darwin / GNU libintl problem
1722 dnl (__asm__ redirection doesn't work for some mysterious reason.  Looks like
1723 dnl Apple hacked gcc somehow?)
1724 dnl
1725 case "$host_os" in
1726 darwin*)
1727         AC_MSG_RESULT([Using Apple Darwin / GNU libintl workaround])
1728         AC_DEFINE(_INTL_REDIRECT_MACROS, 1,
1729                 [Define to 1 if Apple Darwin libintl workaround is needed])
1730         ;;
1731 esac
1732 dnl
1733 dnl Only try to run the test suite if we're not cross compiling.
1734 dnl
1735 if test "$cross_compiling" = yes ; then
1736   DO_TEST_SUITE=
1737 else
1738   DO_TEST_SUITE=check
1739 fi
1740 AC_SUBST(DO_TEST_SUITE)
1741 dnl
1742 dnl Only include the intl include files if we're building with them
1743 dnl
1744 INCLUDES='-I. -I$(top_builddir)/lib -I$(top_srcdir)/lib'
1745 if test -n "$CPPFLAGS" ; then
1746         INCLUDES="$INCLUDES $CPPFLAGS"
1747 fi
1748 if test "$USE_INCLUDED_LIBINTL" = "yes" ; then
1749         INCLUDES=$INCLUDES' -I$(top_builddir)/intl -I$(top_srcdir)/intl'
1750 fi
1751 if test -n "$WITH_DIET_LIBC" ; then
1752         INCLUDES="$INCLUDES -D_REENTRANT"
1753 fi
1754 case "$host_os" in
1755 mingw*)
1756         INCLUDES=$INCLUDES' -I$(top_srcdir)/include/mingw'
1757         ;;
1758 esac
1759 AC_SUBST(INCLUDES)
1760 dnl
1761 dnl Build CFLAGS
1762 dnl
1763 if test $cross_compiling = no; then
1764    BUILD_CFLAGS="$CFLAGS $CPPFLAGS $INCLUDES -DHAVE_CONFIG_H"
1765    BUILD_LDFLAGS="$LDFLAGS"
1766 fi
1767 AC_SUBST(BUILD_CFLAGS)
1768 AC_SUBST(BUILD_LDFLAGS)
1769 dnl
1770 dnl Define CFLAGS and LDFLAGS for shared libraries
1771 dnl
1772 CFLAGS_SHLIB=${CFLAGS_SHLIB:-$CFLAGS}
1773 CFLAGS_STLIB=${CFLAGS_STLIB:-$CFLAGS}
1774 LDFLAGS_SHLIB=${LDFLAGS_SHLIB:-$LDFLAGS}
1775 AC_SUBST(CFLAGS_SHLIB)
1776 AC_SUBST(CFLAGS_STLIB)
1777 AC_SUBST(LDFLAGS_SHLIB)
1778
1779 dnl
1780 dnl Where do udev rules go?
1781 dnl
1782 AC_ARG_WITH([udev_rules_dir],
1783   [AS_HELP_STRING([--with-udev-rules-dir@<:@=DIR@:>@],
1784         [Install udev rules into DIR.])],
1785   [],
1786   [with_udev_rules_dir=yes])
1787 AS_IF([test "x${with_udev_rules_dir}" != "xno"],
1788   [
1789         AS_IF([test "x${with_udev_rules_dir}" = "xyes"],
1790           [
1791                 PKG_CHECK_MODULES([udev], [udev],
1792                   [
1793                         with_udev_rules_dir="$($PKG_CONFIG --variable=udevdir udev)/rules.d"
1794                   ], [
1795                         with_udev_rules_dir=""
1796                   ])
1797           ])
1798         AC_MSG_CHECKING([for udev rules dir])
1799         pkg_udev_rules_dir="${with_udev_rules_dir}"
1800         AS_IF([test -n "${pkg_udev_rules_dir}"],
1801           [
1802                 AC_MSG_RESULT(${pkg_udev_rules_dir})
1803                 have_udev="yes"
1804           ],
1805           [
1806                 AC_MSG_RESULT(no)
1807                 have_udev="no"
1808           ])
1809   ],
1810   [
1811         have_udev="disabled"
1812   ])
1813 AC_SUBST(have_udev)
1814 AC_SUBST(pkg_udev_rules_dir)
1815
1816 dnl
1817 dnl Where do cron jobs go?
1818 dnl
1819 AC_ARG_WITH([crond_dir],
1820   [AS_HELP_STRING([--with-crond-dir@<:@=DIR@:>@],
1821         [Install system crontabs into DIR.])],
1822   [],
1823   [with_crond_dir=yes])
1824 AS_IF([test "x${with_crond_dir}" != "xno"],
1825   [
1826         AS_IF([test "x${with_crond_dir}" = "xyes"],
1827           [
1828                 AS_IF([test -d "/etc/cron.d"],
1829                   [with_crond_dir="/etc/cron.d"],
1830                   [have_crond="no"; with_crond_dir=""])
1831           ])
1832         AC_MSG_CHECKING([for system crontab dir])
1833         crond_dir="${with_crond_dir}"
1834         AS_IF([test -n "${crond_dir}"],
1835           [
1836                 AC_MSG_RESULT(${crond_dir})
1837                 have_crond="yes"
1838           ],
1839           [
1840                 AC_MSG_RESULT(no)
1841                 have_crond="no"
1842           ])
1843   ],
1844   [
1845         have_crond="disabled"
1846   ])
1847 AC_SUBST(have_crond)
1848 AC_SUBST(crond_dir)
1849
1850 dnl
1851 dnl Where do systemd services go?
1852 dnl
1853 AC_ARG_WITH([systemd_unit_dir],
1854   [AS_HELP_STRING([--with-systemd-unit-dir@<:@=DIR@:>@],
1855         [Install systemd system units into DIR.])],
1856   [],
1857   [with_systemd_unit_dir=yes])
1858 AS_IF([test "x${with_systemd_unit_dir}" != "xno"],
1859   [
1860         AS_IF([test "x${with_systemd_unit_dir}" = "xyes"],
1861           [
1862                 PKG_CHECK_MODULES([systemd], [systemd],
1863                   [
1864                         with_systemd_unit_dir="$($PKG_CONFIG --variable=systemdsystemunitdir systemd)"
1865                   ], [
1866                         with_systemd_unit_dir=""
1867                   ])
1868                 m4_pattern_allow([^PKG_(MAJOR|MINOR|BUILD|REVISION)$])
1869           ])
1870         AC_MSG_CHECKING([for systemd system unit dir])
1871         systemd_system_unit_dir="${with_systemd_unit_dir}"
1872         AS_IF([test -n "${systemd_system_unit_dir}"],
1873           [
1874                 AC_MSG_RESULT(${systemd_system_unit_dir})
1875                 have_systemd="yes"
1876           ],
1877           [
1878                 AC_MSG_RESULT(no)
1879                 have_systemd="no"
1880           ])
1881   ],
1882   [
1883         have_systemd="disabled"
1884   ])
1885 AC_SUBST(have_systemd)
1886 AC_SUBST(systemd_system_unit_dir)
1887 dnl Adjust the compiled files if we are on windows vs everywhere else
1888 dnl
1889 OS_IO_FILE=""
1890 [case "$host_os" in
1891   mingw*)
1892     OS_IO_FILE=windows_io
1893   ;;
1894   *)
1895     OS_IO_FILE=unix_io
1896   ;;
1897 esac]
1898 AC_SUBST(OS_IO_FILE)
1899
1900 AC_SYS_LARGEFILE
1901
1902 dnl
1903 dnl Make our output files, being sure that we create the some miscellaneous
1904 dnl directories
1905 dnl
1906 test -d lib || mkdir lib
1907 test -d include || mkdir include
1908 test -d include/linux || mkdir include/linux
1909 test -d include/asm || mkdir include/asm
1910 if test -z "$UUID_CMT" ; then
1911         uuid_out_list="lib/uuid/Makefile lib/uuid/uuid.pc \
1912                 lib/uuid/uuid_types.h"
1913 fi
1914 if test -z "$BLKID_CMT" ; then
1915         blkid_out_list="lib/blkid/Makefile lib/blkid/blkid.pc \
1916                 lib/blkid/blkid_types.h"
1917 fi
1918 for i in MCONFIG Makefile \
1919         e2fsprogs-RHEL-6.spec \
1920         e2fsprogs-SUSE_LINUX-11+.spec \
1921         util/Makefile util/subst.conf util/gen-tarball util/install-symlink \
1922         lib/et/Makefile lib/ss/Makefile lib/e2p/Makefile \
1923         lib/ext2fs/Makefile lib/ext2fs/ext2_types.h \
1924         $uuid_out_list $blkid_out_list lib/support/Makefile \
1925         lib/ss/ss.pc lib/et/com_err.pc lib/e2p/e2p.pc lib/ext2fs/ext2fs.pc \
1926         misc/Makefile ext2ed/Makefile e2fsck/Makefile \
1927         debugfs/Makefile tests/Makefile tests/progs/Makefile \
1928         tests/fuzz/Makefile resize/Makefile doc/Makefile \
1929         po/Makefile.in scrub/Makefile; do
1930         if test -d `dirname ${srcdir}/$i` ; then
1931                 outlist="$outlist $i"
1932         fi
1933 done
1934 AC_CONFIG_FILES([$outlist])
1935 AC_OUTPUT
1936 if test -f util/gen-tarball; then chmod +x util/gen-tarball; fi