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| author | Norbert Thiebaud <nthiebaud@gmail.com> | 2011-07-26 21:58:08 -0500 |
|---|---|---|
| committer | Norbert Thiebaud <nthiebaud@gmail.com> | 2011-07-26 21:58:08 -0500 |
| commit | b5e6d0a679ec3f80cae781c93fe7d728dd53b58e (patch) | |
| tree | b0e2f0fd030f792733c1ebf705c2b95f3e0e70bd /configure.in | |
| parent | 82f0ba7e98430b5a7df740f8a4f5b5e02e54c1eb (diff) | |
make -Wno-long-double usage conditional to gcc supporting it
Diffstat (limited to 'configure.in')
| -rwxr-xr-x | configure.in | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/configure.in b/configure.in index d69a89d59f61..e5632cda4d54 100755 --- a/configure.in +++ b/configure.in @@ -3193,6 +3193,17 @@ if test "$GCC" = "yes"; then AC_MSG_RESULT([no]) fi + AC_MSG_CHECKING([whether $CC supports -Wno-long-double]) + save_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS -Werror -Wno-long-double" + AC_TRY_LINK([], [ return 0; ], [ HAVE_GCC_NO_LONG_DOUBLE=TRUE ], []) + CFLAGS=$save_CFLAGS + if test "$HAVE_GCC_NO_LONG_DOUBLE" = "TRUE"; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + fi + AC_MSG_CHECKING([whether $CC supports -std=c++0x without Language Defect 757]) save_CXXFLAGS=$CFLAGS CXXFLAGS="$CXXFLAGS -std=c++0x" @@ -3234,6 +3245,7 @@ return !(i != 0 && j != 0); fi AC_SUBST(HAVE_CXX0X) +AC_SUBST(HAVE_GCC_NO_LONG_DOUBLE) # =================================================================== # use ccache? |