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author | Reid Spencer <rspencer@reidspencer.com> | 2004-09-19 22:31:49 +0000 |
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committer | Reid Spencer <rspencer@reidspencer.com> | 2004-09-19 22:31:49 +0000 |
commit | 12de17db02dca026fea1e2aee57ebdca97784292 (patch) | |
tree | edfdc281c36966a7fa9f81a3533acee319d0bd7f /autoconf/m4/cxx_namespaces.m4 | |
parent | 8eacb0c3a7489b86a7f5523ff4992452bc0b7941 (diff) | |
download | external_llvm-12de17db02dca026fea1e2aee57ebdca97784292.zip external_llvm-12de17db02dca026fea1e2aee57ebdca97784292.tar.gz external_llvm-12de17db02dca026fea1e2aee57ebdca97784292.tar.bz2 |
Bring the script out of the dark ages and into modern autoconfness.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16415 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'autoconf/m4/cxx_namespaces.m4')
-rw-r--r-- | autoconf/m4/cxx_namespaces.m4 | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/autoconf/m4/cxx_namespaces.m4 b/autoconf/m4/cxx_namespaces.m4 index 756e378..d8d650e 100644 --- a/autoconf/m4/cxx_namespaces.m4 +++ b/autoconf/m4/cxx_namespaces.m4 @@ -4,12 +4,13 @@ AC_DEFUN([AC_CXX_NAMESPACES], [AC_CACHE_CHECK(whether the compiler implements namespaces, ac_cv_cxx_namespaces, -[AC_LANG_SAVE - AC_LANG_CPLUSPLUS - AC_TRY_COMPILE([namespace Outer { namespace Inner { int i = 0; }}], - [using namespace Outer::Inner; return i;], - ac_cv_cxx_namespaces=yes, ac_cv_cxx_namespaces=no) - AC_LANG_RESTORE +[AC_LANG_PUSH([C++]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM( + [[namespace Outer { namespace Inner { int i = 0; }}]], + [[using namespace Outer::Inner; return i;]])], + ac_cv_cxx_namespaces=yes, + ac_cv_cxx_namespaces=no) + AC_LANG_POP([C++]) ]) if test "$ac_cv_cxx_namespaces" = yes; then AC_DEFINE(HAVE_NAMESPACES,,[define if the compiler implements namespaces]) |