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| author | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2012-06-25 16:50:38 +0000 |
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| committer | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2012-06-25 16:50:38 +0000 |
| commit | 35bde4fc99e73c78133e342257d07986d9d8d6b3 (patch) | |
| tree | fd367896ecce2ead43dd001f3887caffd5ebba60 /acinclude.m4 | |
| parent | 8dc9716fc2e3f8d4d945fbf7ef02b59affd0c2c9 (diff) | |
| download | mpfr-35bde4fc99e73c78133e342257d07986d9d8d6b3.tar.gz | |
Added Static Assertion support (modified patch from Patrick).
* Added src/mpfr-sassert.h: implementation of static assertions.
* src/mpfr-impl.h: include "mpfr-sassert.h".
* acinclude.m4: test whether static assertions are supported.
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@8241 280ebfd0-de03-0410-8827-d642c229c3f4
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 6109d3750..e81a134a9 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -417,6 +417,35 @@ int main() { ]) CPPFLAGS="$saved_CPPFLAGS" fi + +dnl Check if Static Assertions are supported. +AC_MSG_CHECKING(for Static Assertion support) +saved_CPPFLAGS="$CPPFLAGS" +CPPFLAGS="$CPPFLAGS -I$srcdir/src" +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +#define MPFR_USE_STATIC_ASSERT 1 +#include "mpfr-sassert.h" + +/* Test if Static Assertions work */ +MPFR_DECL_STATIC_ASSERT(sizeof(char) <= sizeof(int)); + +int main() { + MPFR_DECL_STATIC_ASSERT(sizeof(int) <= sizeof(long)); + int x; + x = 1; + MPFR_STAT_STATIC_ASSERT(sizeof(short) <= sizeof(int)); + return 0; +} + ]])], + [AC_MSG_RESULT(yes) + AC_DEFINE([MPFR_USE_STATIC_ASSERT],1,[Build MPFR with Static Assertions]) + ], + [AC_MSG_RESULT(no) + ], + [AC_MSG_RESULT([cannot test, assume no]) + ]) +CPPFLAGS="$saved_CPPFLAGS" + ]) dnl end of MPFR_CONFIGS |