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| author |  Saleem Abdulrasool <compnerd@compnerd.org>
| 2014-05-06 20:16:04 -0700 |
|---|---|---|
| committer | Saleem Abdulrasool <compnerd@compnerd.org>
| 2014-05-06 20:32:57 -0700 |
| commit | 5f6a7949fac2d57643aa93017cbb9b7731a975ff (patch) | |
| tree | 99366a48248946db7a5ca7d861d58c9528302a24 | |
| parent | 6ced3888a697688b14dd51cccb5d847dc5d4823c (diff) | |
| download | paludis-5f6a7949fac2d57643aa93017cbb9b7731a975ff.tar.gz paludis-5f6a7949fac2d57643aa93017cbb9b7731a975ff.tar.xz | |
build: tweak build flag selection
Use the standard C++ compiler flag support check mechanism for
-fno-deduce-init-list and -Wno-non-virtual-dtors. Both of them are supported by
the minimum supported version of GCC (4.7).
| -rw-r--r-- | configure.ac | 47 |
1 files changed, 6 insertions, 41 deletions
diff --git a/configure.ac b/configure.ac index fd070dc..cf41407 100644 --- a/configure.ac +++ b/configure.ac @@ -359,6 +359,11 @@ if test "x${cxx_compiler_icc}" = "xyes" ; then CHECK_CXXFLAG([-wd1418]) CHECK_CXXFLAG([-wd1419]) elif test "x${ac_cv_cxx_compiler_gnu}" = "xyes" ; then + CHECK_CXXFLAG([-fno-deduce-init-list]) + if test x"$cxxflag_success" = x"yes" ; then + PALUDIS_PC_CFLAGS="${PALUDIS_PC_CFLAGS} -fno-deduce-init-list" + fi + CHECK_CXXFLAG([-Wall]) CHECK_CXXFLAG([-Wextra]) if ! test "x$cxxflag_success" = "xyes" ; then @@ -398,57 +403,17 @@ elif test "x${ac_cv_cxx_compiler_gnu}" = "xyes" ; then PALUDIS_CXXFLAGS_NO_WWRITE_STRINGS=-Wno-write-strings fi CHECK_CXXFLAG([-Wno-ignored-qualifiers]) + CHECK_CXXFLAG([-Wno-non-virtual-dtor]) else CHECK_CXXFLAG([-Wall]) fi AC_MSG_RESULT([${cxxflags_message}]) -AC_MSG_CHECKING([whether we want -Wno-non-virtual-dtor to work around compiler silliness]) -AC_PREPROC_IFELSE([AC_LANG_SOURCE([ -#ifndef __GNUC__ -# error not gcc -#endif - -#if __GNUC__ != 4 -# error not gcc 4 -#endif - -#if __GNUC_MINOR__ != 1 -# error not gcc 4.1 -#endif -])], - [AC_MSG_RESULT([yes]) - PALUDIS_CXXFLAGS="${PALUDIS_CXXFLAGS} -Wno-non-virtual-dtor" - ], - [AC_MSG_RESULT([no])]) - CHECK_CXXFLAG([-std=c++11]) if test x"$cxxflag_success" = x"no" ; then CHECK_CXXFLAG([-std=c++0x]) fi -AC_MSG_CHECKING([whether we need -fno-deduce-init-list]) -AC_PREPROC_IFELSE([AC_LANG_SOURCE([ -#ifndef __GNUC__ -# error not gcc -#endif - -#if __GNUC__ != 4 -# error not gcc 4 -#endif - -#if __GNUC_MINOR__ == 4 -#elif __GNUC_MINOR__ == 5 && __GNUC_PATCHLEVEL__ == 0 -#else -# error not 4.4 or 4.5.0 -#endif -])], - [AC_MSG_RESULT([yes]) - PALUDIS_CXXFLAGS="${PALUDIS_CXXFLAGS} -fno-deduce-init-list" - PALUDIS_PC_CFLAGS="${PALUDIS_PC_CFLAGS} -fno-deduce-init-list" - ], - [AC_MSG_RESULT([no])]) - PALUDIS_CXXFLAGS_WITHOUT_PEDANTIC=$PALUDIS_CXXFLAGS AC_MSG_CHECKING([for 'extern template' support]) |