diff options
Diffstat (limited to 'config')
| -rw-r--r-- | config/gcc_version.m4 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/config/gcc_version.m4 b/config/gcc_version.m4 new file mode 100644 index 000000000..acd051042 --- /dev/null +++ b/config/gcc_version.m4 @@ -0,0 +1,7 @@ +# GCC version 4.5.1 builds Minisat incorrectly with -O2 +# and that gives incorrect answers! Warn the user! +AC_DEFUN([CVC4_GCC_VERSION], [ + if expr "$($CC -dumpversion)" : '4\.5\.1' &>/dev/null; then + CVC4_INTEGRITY_WARNING="GCC 4.5.1's optimizer is known to make errors building Minisat (and by extension CVC4)" + fi +])# CVC4_GCC_VERSION |