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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 7ee1ab5..38e3080 100644 --- a/configure.ac +++ b/configure.ac @@ -61,6 +61,25 @@ AC_COMPILE_IFELSE( ) AC_LANG_POP([C++]) +dnl =========================== +dnl Check for -ffloat-store support +dnl =========================== +AC_LANG_PUSH([C++]) +TMP_CXXFLAGS="$CXXFLAGS" +CXXFLAGS="-Wall -Werror -ffloat-store" +AC_MSG_CHECKING([whether CXX supports -ffloat-store]) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], + [AC_MSG_RESULT([yes]) + FLOAT_STORE="-ffloat-store" + ], + [AC_MSG_RESULT([no]) + FLOAT_STORE="" + ] +) +AC_SUBST(FLOAT_STORE) +CXXFLAGS="$TMP_CXXFLAGS" +AC_LANG_POP([C++]) + dnl ====================== dnl Init pkg-config dnl ====================== |