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clang-cl requires -Xclang for -fpch-* options

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Change-Id: I96fb0ffaf66476a605966df3f2bde3756ae67ec8
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/125198
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
This commit is contained in:
Luboš Luňák
2021-11-14 18:41:35 +01:00
committed by Luboš Luňák
parent 28d43b6965
commit 63bb32dff8
1 changed files with 11 additions and 7 deletions
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configure.ac
+11 -7
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@@ -5949,14 +5949,18 @@ AC_SUBST(BUILDING_PCH_WITH_OBJ)
PCH_CODEGEN=
PCH_NO_CODEGEN=
fpch_prefix=
if test "$COM" = MSC; then
fpch_prefix="-Xclang "
fi
if test -n "$BUILDING_PCH_WITH_OBJ"; then
AC_MSG_CHECKING([whether $CC supports -fpch-codegen])
AC_MSG_CHECKING([whether $CC supports ${fpch_prefix}-fpch-codegen])
save_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -Werror -fpch-codegen"
CFLAGS="$CFLAGS -Werror ${fpch_prefix}-fpch-codegen"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ return 0; ]])],
[
PCH_CODEGEN="-fpch-codegen"
PCH_NO_CODEGEN="-fno-pch-codegen"
PCH_CODEGEN="${fpch_prefix}-fpch-codegen"
PCH_NO_CODEGEN="${fpch_prefix}-fno-pch-codegen"
],[])
CFLAGS=$save_CFLAGS
if test -n "$PCH_CODEGEN"; then
@@ -5969,10 +5973,10 @@ AC_SUBST(PCH_CODEGEN)
AC_SUBST(PCH_NO_CODEGEN)
PCH_DEBUGINFO=
if test -n "$BUILDING_PCH_WITH_OBJ"; then
AC_MSG_CHECKING([whether $CC supports -fpch-debuginfo])
AC_MSG_CHECKING([whether $CC supports ${fpch_prefix}-fpch-debuginfo])
save_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -Werror -fpch-debuginfo"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ return 0; ]])],[ PCH_DEBUGINFO="-fpch-debuginfo" ],[])
CFLAGS="$CFLAGS -Werror ${fpch_prefix}-fpch-debuginfo"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ return 0; ]])],[ PCH_DEBUGINFO="${fpch_prefix}-fpch-debuginfo" ],[])
CFLAGS=$save_CFLAGS
if test -n "$PCH_DEBUGINFO"; then
AC_MSG_RESULT(yes)