LU-15652 build: On Debian detect -common kernel headers

[fs/lustre-release.git] / config / lustre-build-linux.m4

diff --git a/config/lustre-build-linux.m4 b/config/lustre-build-linux.m4
index e88c54b..7a4c98d 100644 (file)
--- a/config/lustre-build-linux.m4
+++ b/config/lustre-build-linux.m4
@@ -262,7 +262,6 @@ AC_ARG_WITH([linux],
        DEFAULT_LINUX_OBJ=$LINUX],
        [LINUX=$DEFAULT_LINUX])
 AC_MSG_RESULT([$LINUX])
-AC_SUBST(LINUX)
 
 # -------- check for linux --------
 LB_CHECK_FILE([$LINUX], [],
@@ -276,8 +275,21 @@ AC_ARG_WITH([linux-obj],
        [LB_ARG_CANON_PATH([linux-obj], [LINUX_OBJ])],
        [LINUX_OBJ=$DEFAULT_LINUX_OBJ])
 AC_MSG_RESULT([$LINUX_OBJ])
-AC_SUBST(LINUX_OBJ)
 
+## -------- with linux should point to <kernel>-common on Debian
+AS_IF([test ${LINUX} == ${LINUX_OBJ} -a ${LINUX} == $(realpath ${LINUX})],[
+       this_arch=$(realpath ${LINUX} | sed 's/-/\n/g' | tail -1)
+       linux_headers_common=$(realpath ${LINUX}|sed "s/-${this_arch}\$/-common/g")
+       AS_IF([test "${this_arch}" != common],[
+               _cah="${linux_headers_common}/include/linux/compiler_attributes.h"
+               _cgh="${linux_headers_common}/include/linux/compiler-gcc.h"
+               AS_IF([test -f "${_cah}" -o -f "${_cgh}"],[
+                       AC_MSG_WARN([Setting LINUX to ${linux_headers_common} was ${LINUX}])
+                       LINUX=${linux_headers_common}])
+               ])
+       ])
+AC_SUBST(LINUX)
+AC_SUBST(LINUX_OBJ)
 # -------- check for .config --------
 AC_ARG_WITH([linux-config],
        [AS_HELP_STRING([--with-linux-config=path],