X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=libsysio%2Fconfigure.in;h=510ce2107e01536289cc98fbd6563036fcc6f0c7;hb=325e98e632853a65f60918dad09eb1f4e97e8634;hp=a0e77f34e52e20154ad38f29ef376874d611ab45;hpb=20d0187e95be6ec8c131a9bb8691e7d939875e68;p=fs%2Flustre-release.git

diff --git a/libsysio/configure.in b/libsysio/configure.in
index a0e77f3..510ce21 100644
--- a/libsysio/configure.in
+++ b/libsysio/configure.in
@@ -1,6 +1,6 @@
 AC_INIT(libsysio, 1.2)
 
-AC_CANONICAL_HOST
+AC_CANONICAL_SYSTEM
 
 case "$host_os" in
   aix*)
@@ -22,6 +22,11 @@ AC_HEADER_STDC
 AC_HEADER_STAT
 AC_HEADER_TIME
 
+if test ${target_cpu} == "powerpc64"; then
+	AC_MSG_WARN([set compiler with -m64])
+	CC="$CC -m64"
+fi
+
 have_lib_dir=yes;
 AC_ARG_WITH(lib-dir,
   AC_HELP_STRING([--with-lib-dir=<sysio lib build directory>],
@@ -355,50 +360,140 @@ if test x$have_st_gen = xyes; then
 	AC_DEFINE(HAVE_GENERATION)
 fi
 
+AC_MSG_CHECKING(for POSIX 2008 preadv)
+tmp_flags="$CFLAGS"
+CFLAGS="$CFLAGS -Wall -Werror"
+AC_TRY_COMPILE([
+#include <sys/uio.h>
+ssize_t preadv (int __fd, const struct iovec *__iovec,
+                int __count, off_t off)
+{
+    return 0;
+}
+],[
+],[
+AC_DEFINE(HAVE_POSIX2008_PREADV, 1, [POSIX 2008 preadv])
+AC_MSG_RESULT(yes)
+],[
+AC_MSG_RESULT(no)
+])
+CFLAGS="$tmp_flags"
+
+AC_MSG_CHECKING(for POSIX 2008 scandir)
+tmp_flags="$CFLAGS"
+CFLAGS="$CFLAGS -Wall -Werror"
+AC_TRY_COMPILE([
+#define _BSD_SOURCE
+
+#include <stdio.h>
+#include <dirent.h>
+
+int scandir(const char *dir,
+	 struct dirent ***namelist,
+	 int(*filter)(const struct dirent *),
+	 int(*compar)(const struct dirent **,
+	              const struct dirent **)
+	);
+
+],[
+], [
+AC_DEFINE(HAVE_POSIX2008_SCANDIR, 1, [POSIX 2008 scandir])
+AC_MSG_RESULT(yes) 
+],[
+AC_MSG_RESULT(no)
+])
+CFLAGS="$tmp_flags"
+
+
+AC_MSG_CHECKING(for POSIX 2008 preadv)
+tmp_flags="$CFLAGS"
+CFLAGS="$CFLAGS -Wall -Werror"
+AC_TRY_COMPILE([
+#include <sys/uio.h>
+ssize_t preadv (int __fd, const struct iovec *__iovec,
+                int __count, off_t off)
+{
+    return 0;
+}
+],[
+],[
+AC_DEFINE(HAVE_POSIX2008_PREADV, 1, [POSIX 2008 preadv])
+AC_MSG_RESULT(yes)
+],[
+AC_MSG_RESULT(no)
+])
+CFLAGS="$tmp_flags"
+
+AC_MSG_CHECKING(for POSIX 2008 scandir)
+tmp_flags="$CFLAGS"
+CFLAGS="$CFLAGS -Wall -Werror"
+AC_TRY_COMPILE([
+#define _BSD_SOURCE
+
+#include <stdio.h>
+#include <dirent.h>
+
+int scandir(const char *dir,
+        struct dirent ***namelist,
+        int(*filter)(const struct dirent *),
+        int(*compar)(const struct dirent **,
+                     const struct dirent **)
+       );
+
+],[
+], [
+AC_DEFINE(HAVE_POSIX2008_SCANDIR, 1, [POSIX 2008 scandir])
+AC_MSG_RESULT(yes) 
+],[
+AC_MSG_RESULT(no)
+])
+CFLAGS="$tmp_flags"
+
+
 AC_MSG_CHECKING(whether .text pseudo-op must be used)
-AC_CACHE_VAL(sysio_asm_dot_text, [dnl
+AC_CACHE_VAL(am_cv_sysio_asm_dot_text, [dnl
 cat > conftest.s <<EOF
 	.text
 EOF
-	sysio_asm_dot_text=
+	am_cv_sysio_asm_dot_text=
 	if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
-		sysio_asm_dot_text=.text
+		am_cv_sysio_asm_dot_text=.text
 	fi
 	rm -f conftest*])
-if test -z "$sysio_dot_text"; then
+if test -z "$am_cv_sysio_asm_dot_text"; then
 	AC_MSG_RESULT(no)
 else
 	AC_MSG_RESULT(yes)
 fi
 
 AC_CACHE_CHECK(for assembler global-symbol directive,
-  sysio_asm_global_directive, [dnl
-sysio_asm_global_directive=UNKNOWN
+  am_cv_sysio_asm_global_directive, [dnl
+am_cv_sysio_asm_global_directive=UNKNOWN
 for ac_globl in .globl .global .EXPORT; do
 	cat > conftest.s <<EOF
-		${sysio_asm_dot_text}
+		${am_cv_sysio_asm_dot_text}
 		${ac_globl} foo
 foo:
 EOF
 	if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
-	sysio_asm_global_directive=${ac_globl}
+	am_cv_sysio_asm_global_directive=${ac_globl}
 	fi
 	rm -f conftest*
-	test $sysio_asm_global_directive != UNKNOWN && break
+	test $am_cv_sysio_asm_global_directive != UNKNOWN && break
 done])
-if test $sysio_asm_global_directive = UNKNOWN; then
+if test $am_cv_sysio_asm_global_directive = UNKNOWN; then
 	AC_MSG_ERROR(cannot determine asm global directive)
 #else
-#	AC_DEFINE_UNQUOTED(ASM_GLOBAL_DIRECTIVE, ${sysio_asm_global_directive})
+#	AC_DEFINE_UNQUOTED(ASM_GLOBAL_DIRECTIVE, ${am_cv_sysio_asm_global_directive})
 fi
 
 AC_CACHE_CHECK(for .set assembler directive,
-  sysio_asm_set_directive, [dnl
+  am_cv_sysio_asm_set_directive, [dnl
 cat > conftest.s<<EOF
-${sysio_asm_dot_text}
+${am_cv_sysio_asm_dot_text}
 foo:
 .set bar, foo
-${sysio_asm_global_directive} bar
+${am_cv_sysio_asm_global_directive} bar
 EOF
 	# The alpha-dec-osf1 assembler gives only a warning for `.set'
 	# (but it doesn't work), so we must do a linking check to be sure.
@@ -408,53 +503,53 @@ main () { printf ("%d\n", bar); }
 EOF
 	if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \
 	   -o conftest conftest.s conftest1.c 1>&AC_FD_CC 2>&AC_FD_CC; then
-		sysio_asm_set_directive=yes
+		am_cv_sysio_asm_set_directive=yes
 	else
-		sysio_asm_set_directive=no
+		am_cv_sysio_asm_set_directive=no
 	fi
 	rm -f conftest*])
-#if test $sysio_asm_set_directive = yes; then
+#if test $am_cv_sysio_asm_set_directive = yes; then
 #	AC_DEFINE(HAVE_ASM_SET_DIRECTIVE)
 #fi
 
-AC_CACHE_CHECK(for assembler .weak directive, sysio_asm_weak_directive,
+AC_CACHE_CHECK(for assembler .weak directive, am_cv_sysio_asm_weak_directive,
 	       [dnl
 cat > conftest.s <<EOF
-${sysio_dot_text}
+${am_cv_sysio_asm_dot_text}
 foo:
 .weak foo
 EOF
 	if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
-		sysio_asm_weak_directive=yes
+		am_cv_sysio_asm_weak_directive=yes
 	else
-		sysio_asm_weak_directive=no
+		am_cv_sysio_asm_weak_directive=no
 	fi
 	rm -f conftest*])
 
-if test $sysio_asm_weak_directive = no; then
+if test $am_cv_sysio_asm_weak_directive = no; then
 	AC_CACHE_CHECK(for assembler .weakext directive,
-		       sysio_asm_weakext_directive, [dnl
+		       am_cv_sysio_asm_weakext_directive, [dnl
 cat > conftest.s <<EOF
-${sysio_dot_text}
-${sysio_asm_global_directive} foo
+${am_cv_sysio_asm_dot_text}
+${am_cv_sysio_asm_global_directive} foo
 foo:
 .weakext bar foo
 .weakext baz
-${sysio_asm_global_directive} baz
+${am_cv_sysio_asm_global_directive} baz
 baz:
 EOF
 		if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
-			sysio_asm_weakext_directive=yes
+			am_cv_sysio_asm_weakext_directive=yes
 		else
-			sysio_asm_weakext_directive=no
+			am_cv_sysio_asm_weakext_directive=no
 		fi
 		rm -f conftest*])
 fi # no .weak
 
-if test x$sysio_asm_weak_directive = xyes; then
+if test x$am_cv_sysio_asm_weak_directive = xyes; then
 	AC_DEFINE(HAVE_ASM_WEAK_DIRECTIVE)
 fi
-if test x$sysio_asm_weakext_directive = xyes; then
+if test x$am_cv_sysio_asm_weakext_directive = xyes; then
 	AC_DEFINE(HAVE_ASM_WEAKEXT_DIRECTIVE)
 fi