do not use -ffast-math, it sometimes breaks lagrangian computations on 64bits

[simgrid.git] / acmacro / compiler-flags.m4

diff --git a/acmacro/compiler-flags.m4 b/acmacro/compiler-flags.m4
index 0974f53..8a585c9 100644 (file)
--- a/acmacro/compiler-flags.m4
+++ b/acmacro/compiler-flags.m4
@@ -52,7 +52,7 @@ AC_DEFUN([SG_COMPILE_FLAGS],[
       if test "x$enable_compile_warnings" = "xyes"; then
         warnCFLAGS=`echo $warnCFLAGS  -Wmissing-prototypes -Wmissing-declarations \
         -Wpointer-arith -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings \
-        -Wno-unused-function  -Wno-strict-aliasing  \
+        -Wno-unused-function  -Wno-strict-aliasing -Wno-format-nonliteral \
         -Werror \
        | sed 's/ +/ /g'`
        # -Wno-unused-variable  -Wno-unused-label
@@ -72,7 +72,8 @@ AC_DEFUN([SG_COMPILE_FLAGS],[
         *-O*) ;;
         *) optCFLAGS="$optCFLAGS -O3" ;;
         esac
-        optCFLAGS="$optCFLAGS -finline-functions -ffast-math -funroll-loops -fno-strict-aliasing"
+        optCFLAGS="$optCFLAGS -finline-functions -funroll-loops -fno-strict-aliasing"
+       # now that surf uses advanced maths in lagrangian, -ffast-math do break things
       
         GCC_VER=`gcc --version | head -n 1 | sed 's/^[^0-9]*\([^ ]*\).*$/\1/'`
         GCC_VER_MAJ=`echo $GCC_VER | sed 's/^\(.\).*$/\1/'`