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| author | Luboš Luňák <l.lunak@centrum.cz> | 2021-09-20 10:31:40 +0000 |
|---|---|---|
| committer | Luboš Luňák <l.lunak@collabora.com> | 2021-09-20 22:50:59 +0200 |
| commit | c7c9f3f57a2feae5d3bc3c47104786883ed09e44 (patch) | |
| tree | afd53d5339e7266b1f3399094354566c64f34b0d /configure.ac | |
| parent | 36f76223193fb96df7b8cbc1a1ff30f739857189 (diff) | |
use clang-cl's -Zc:dllexportInlines- for clang-cl builds
This is clang-cl's equivalent of -fvisibility-inlines-hidden,
and it seems to be also sort of the equivalent of MSVC's
-Zc:inline. So it saves build time and disk space.
Clang docs say that this is binary compatible in only one
direction, so our public C++ code shouldn't be using this,
as external C++ code could try to use exported inlines
that are no longer there.
Change-Id: Ie6217808f8ee4a15344183abfc65038e1558d1b0
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/122352
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index fde9600bab27..e592f6da8ce5 100644 --- a/configure.ac +++ b/configure.ac @@ -7599,6 +7599,21 @@ if test "$GCC" = yes && test "$COM_IS_CLANG" != TRUE; then fi AC_SUBST([HAVE_BROKEN_GCC_WSTRINGOP_OVERFLOW]) +HAVE_DLLEXPORTINLINES= +if test "$_os" = "WINNT"; then + AC_MSG_CHECKING([whether $CXX_BASE supports -Zc:dllexportInlines-]) + AC_LANG_PUSH([C++]) + save_CXXFLAGS=$CXXFLAGS + CXXFLAGS="$CXXFLAGS -Werror -Zc:dllexportInlines-" + AC_COMPILE_IFELSE([AC_LANG_SOURCE()], [ + HAVE_DLLEXPORTINLINES=TRUE + AC_MSG_RESULT([yes]) + ], [AC_MSG_RESULT([no])]) + CXXFLAGS=$save_CXXFLAGS + AC_LANG_POP([C++]) +fi +AC_SUBST([HAVE_DLLEXPORTINLINES]) + dnl =================================================================== dnl CPU Intrinsics support - SSE, AVX dnl =================================================================== |