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| author | Wladimir J. van der Laan <laanwj@gmail.com> | 2018-07-12 17:44:13 +0200 |
|---|---|---|
| committer | Wladimir J. van der Laan <laanwj@gmail.com> | 2018-07-12 17:46:29 +0200 |
| commit | dcb154e5aad80e49ff41a7851604ac46f38cb167 (patch) | |
| tree | cce8e915e383c46f35885429d9bc286a9eabcbdc /configure.ac | |
| parent | 9b638c7ce1b93c996b49f02c0bcefb25b6200d8e (diff) | |
| parent | 253f5929097548fb10ef995002dedbb8dadb6a0d (diff) | |
Merge #13177: GCC-7 and glibc-2.27 back compat code
253f5929097548fb10ef995002dedbb8dadb6a0d Add stdin, stdout, stderr to ignored export list (Chun Kuan Lee)
fc6a9f2ab18ca8466d65d14c263c4f78f9ccebbf Use IN6ADDR_ANY_INIT instead of in6addr_any (Cory Fields)
908c1d7745f0ed117b0374fcc8486f83bf743bfc GCC-7 and glibc-2.27 compat code (Chun Kuan Lee)
Pull request description:
The `__divmoddi4` code was modified from https://github.com/gcc-mirror/gcc/blob/master/libgcc/libgcc2.c . I manually find the older glibc version of log2f by objdump, use `.symver` to specify the certain version.
Tree-SHA512: e8d875652003618c73e019ccc420e7a25d46f4eaff1c7a1a6bfc1770b3b46f074b368b2cb14df541b5ab124cca41dede4e28fe863a670589b834ef6b8713f9c4
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 490b638ee1..bf0f3f8f52 100644 --- a/configure.ac +++ b/configure.ac @@ -651,6 +651,8 @@ if test x$use_glibc_compat != xno; then [ fdelt_type="long int"]) AC_MSG_RESULT($fdelt_type) AC_DEFINE_UNQUOTED(FDELT_TYPE, $fdelt_type,[parameter and return value type for __fdelt_chk]) + AX_CHECK_LINK_FLAG([[-Wl,--wrap=__divmoddi4]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=__divmoddi4"]) + AX_CHECK_LINK_FLAG([[-Wl,--wrap=log2f]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=log2f"]) else AC_SEARCH_LIBS([clock_gettime],[rt]) fi @@ -1351,6 +1353,7 @@ AC_SUBST(DEBUG_CPPFLAGS) AC_SUBST(WARN_CXXFLAGS) AC_SUBST(NOWARN_CXXFLAGS) AC_SUBST(DEBUG_CXXFLAGS) +AC_SUBST(COMPAT_LDFLAGS) AC_SUBST(ERROR_CXXFLAGS) AC_SUBST(GPROF_CXXFLAGS) AC_SUBST(GPROF_LDFLAGS) |