From: Shaun Tancheff <shaun.tancheff@hpe.com>
Date: Wed, 25 May 2022 16:46:50 +0000 (+0700)
Subject: LU-15652 build: On Debian detect -common kernel headers
X-Git-Url: https://git.whamcloud.com/gitweb?a=commitdiff_plain;h=151f807d0ea970c63e7f23bd44535eb2da1d8ca1;p=fs%2Flustre-release.git

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

Check for a matching /usr/src/linux-headers-<ver>-common/
and update the --with-linux argument accordingly.

Also move LC_GLIBC_SUPPORT_COPY_FILE_RANGE outside
of utils as this also breaks the dkms build on Debian
with 'static' follows 'non static' declairation of
copy_file_range.

HPE-bug-id: LUS-10826
Test-Parameters: trivial
Signed-off-by: Shaun Tancheff <shaun.tancheff@hpe.com>
Change-Id: I6e4f0b27eba6c5b07cda14f064e57aa9c93ae3cc
---

diff --git a/config/lustre-build-linux.m4 b/config/lustre-build-linux.m4
index e8122fe..c02fe4c 100644
--- a/config/lustre-build-linux.m4
+++ b/config/lustre-build-linux.m4
@@ -267,7 +267,6 @@ AC_ARG_WITH([linux],
 	DEFAULT_LINUX_OBJ=$LINUX],
 	[LINUX=$DEFAULT_LINUX])
 AC_MSG_RESULT([$LINUX])
-AC_SUBST(LINUX)
 
 # -------- check for linux --------
 LB_CHECK_FILE([$LINUX], [],
@@ -281,8 +280,21 @@ AC_ARG_WITH([linux-obj],
 	[LB_ARG_CANON_PATH([linux-obj], [LINUX_OBJ])],
 	[LINUX_OBJ=$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],
 	[AC_HELP_STRING([--with-linux-config=path],
diff --git a/config/lustre-build.m4 b/config/lustre-build.m4
index a643fc0..0f70cdc 100644
--- a/config/lustre-build.m4
+++ b/config/lustre-build.m4
@@ -674,12 +674,12 @@ LC_CONFIG_CLIENT
 LB_CONFIG_MPITESTS
 LB_CONFIG_SERVERS
 LC_CONFIG_CRYPTO
+LC_GLIBC_SUPPORT_COPY_FILE_RANGE
 
 # Tests depends from utils (multiop from liblustreapi)
 AS_IF([test "x$enable_utils" = xno], [enable_tests="no"])
 
 AS_IF([test "x$enable_utils" = xyes], [
-	LC_GLIBC_SUPPORT_COPY_FILE_RANGE
 	LC_OPENSSL_SSK
 	LC_OPENSSL_GETSEPOL
 	LC_FID2PATH_ANON_UNION