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| author | Ossama Othman <ossama-othman@users.noreply.github.com> | 2000-02-07 04:45:55 +0000 |
|---|---|---|
| committer | Ossama Othman <ossama-othman@users.noreply.github.com> | 2000-02-07 04:45:55 +0000 |
| commit | 2c694d040890606faddd2e1a175aabc9f19f7b2b (patch) | |
| tree | 682f4a34cb4a5cbbc473053efa634bc8501c042a /m4/threads.m4 | |
| parent | 294626759de40a9b92b92fd5c67d098afe47d46d (diff) | |
| download | ATCD-2c694d040890606faddd2e1a175aabc9f19f7b2b.tar.gz | |
ChangeLogTag:Sun Feb 6 20:44:26 2000 Ossama Othman <ossama@uci.edu>
Diffstat (limited to 'm4/threads.m4')
| -rw-r--r-- | m4/threads.m4 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/m4/threads.m4 b/m4/threads.m4 index ed9d8db0702..e6633662325 100644 --- a/m4/threads.m4 +++ b/m4/threads.m4 @@ -37,6 +37,23 @@ dnl AC_REQUIRE([AC_LANG_CPLUSPLUS]) ACE_CACHE_CHECK(if compiler may need a thread flag, ace_cv_feature_may_need_thread_flag, [ + ifelse(AC_LANG, [CPLUSPLUS], + [ace_save_CXXFLAGS="$CXXFLAGS" + case "$target" in + *solaris2*) + dnl Sun C++ 4.2/5.0 weirdness + dnl Sun C++ 4.2/5.0 links a thread function stub library in + dnl the single threaded case, which causes the link test in + dnl ACE_CHECK_THREAD_FLAGS to pass. + if (CC -V 2>&1 | egrep 'Compilers 4\.2' > /dev/null) \ + || (CC -V 2>&1 | egrep 'Compilers 5\.0' > /dev/null); then + CXXFLAGS="-xnolib" + fi + ;; + esac + ], + [ace_save_CFLAGS="$CFLAGS"]) + ACE_CHECK_THREAD_FLAGS( [ ace_cv_feature_may_need_thread_flag=no @@ -44,6 +61,11 @@ dnl AC_REQUIRE([AC_LANG_CPLUSPLUS]) [ ace_cv_feature_may_need_thread_flag=yes ]) + dnl Reset the flags to a consistent state. + dnl This prevents duplicate flags from being added to + dnl the C/CXXFLAGS variable. + ifelse(AC_LANG, [CPLUSPLUS], + [CXXFLAGS="$ace_save_CXXFLAGS"],[CFLAGS="$ace_save_CFLAGS"]) ], [ dnl The compiler/platform has no thread support linked in by default |