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| author | ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069> | 2020-05-25 16:03:24 +0000 |
|---|---|---|
| committer | ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069> | 2020-05-25 16:03:24 +0000 |
| commit | 4f0b3ea9771e49fb0d5e5c323e7966ceff2c7ec2 (patch) | |
| tree | 430345aa9778691ab7c92ff2d66d1d500b22b68c /configure.ac | |
| parent | 858e5ac388c3d623f2ab0c62a881b98a0ecd40a7 (diff) | |
| download | pcre2-4f0b3ea9771e49fb0d5e5c323e7966ceff2c7ec2.tar.gz | |
Apply H.J. Lu's patch to pass -mshstk to the compiler when Intel CET is
enabled. CMake version invented by PH, but only tested on non-CET system.
git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@1256 6239d852-aaf2-0410-a92c-79f79f948069
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 180d3dc..61b93ba 100644 --- a/configure.ac +++ b/configure.ac @@ -1006,6 +1006,21 @@ fi # enable_coverage AM_CONDITIONAL([WITH_GCOV],[test "x$enable_coverage" = "xyes"]) +AC_MSG_CHECKING([whether Intel CET is enabled]) +AC_LANG_PUSH([C]) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, + [[#ifndef __CET__ +# error CET is not enabled +#endif]])], + [pcre2_cc_cv_intel_cet_enabled=yes], + [pcre2_cc_cv_intel_cet_enabled=no]) +AC_MSG_RESULT([$pcre2_cc_cv_intel_cet_enabled]) +if test "$pcre2_cc_cv_intel_cet_enabled" = yes; then + CET_CFLAGS="-mshstk" + AC_SUBST([CET_CFLAGS]) +fi +AC_LANG_POP([C]) + # Produce these files, in addition to config.h. AC_CONFIG_FILES( Makefile |