This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "MPICH primary repository". The branch, master has been updated via 0dcb61440ebcec65bc460c22c986b8d26e52a7ce (commit) from 3cbe6a0ef79c02fc4cf8c2695789359bec07d6cd (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- http://git.mpich.org/mpich.git/commitdiff/0dcb61440ebcec65bc460c22c986b8d26e... commit 0dcb61440ebcec65bc460c22c986b8d26e52a7ce Author: Ken Raffenetti <[email protected]> Date: Fri Nov 22 10:46:00 2013 -0600 strengthen test for weak alias attribute Adds the -Werror flag to this test because in cases like icc/osx the compiler only throws a warning that it will ignore function __attribute__ defs, but in this case we need to know if they actually work. Fixes #1980 Signed-off-by: Antonio J. Pena <[email protected]> diff --git a/confdb/aclocal_cc.m4 b/confdb/aclocal_cc.m4 index 1e5e87d..f8146e1 100644 --- a/confdb/aclocal_cc.m4 +++ b/confdb/aclocal_cc.m4 @@ -361,8 +361,18 @@ pac_cv_attr_weak_import=yes,pac_cv_attr_weak_import=no)]) # Check if the alias option for weak attributes is allowed AC_CACHE_CHECK([whether __attribute__((weak,alias(...))) allowed], pac_cv_attr_weak_alias,[ +# We add -Werror if it's gcc to force an error exit if the weak attribute +# isn't understood +if test $GCC = yes ; then + save_CFLAGS=$CFLAGS + CFLAGS=-Werror +fi AC_TRY_COMPILE([int foo(int) __attribute__((weak,alias("__foo")));],[int a;], -pac_cv_attr_weak_alias=yes,pac_cv_attr_weak_alias=no)]) +pac_cv_attr_weak_alias=yes,pac_cv_attr_weak_alias=no) +# Restore original CFLAGS +if test $GCC = yes ; then + CFLAGS=$save_CFLAGS +fi]) if test "$pac_cv_attr_weak_alias" = "yes" ; then AC_DEFINE(HAVE_WEAK_ATTRIBUTE,1,[Attribute style weak pragma]) fi ----------------------------------------------------------------------- Summary of changes: confdb/aclocal_cc.m4 | 12 +++++++++++- 1 files changed, 11 insertions(+), 1 deletions(-) hooks/post-receive -- MPICH primary repository