diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 47 |
1 files changed, 26 insertions, 21 deletions
diff --git a/configure b/configure index 0a3c6a72c3..0886f45bf4 100755 --- a/configure +++ b/configure @@ -1840,6 +1840,31 @@ if test "$bogus_os" = "yes"; then error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" fi +# Check whether the compiler matches our minimum requirements: +cat > $TMPC << EOF +#if defined(__clang_major__) && defined(__clang_minor__) +# ifdef __apple_build_version__ +# if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1) +# error You need at least XCode Clang v5.1 to compile QEMU +# endif +# else +# if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4) +# error You need at least Clang v3.4 to compile QEMU +# endif +# endif +#elif defined(__GNUC__) && defined(__GNUC_MINOR__) +# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8) +# error You need at least GCC v4.8 to compile QEMU +# endif +#else +# error You either need GCC or Clang to compiler QEMU +#endif +int main (void) { return 0; } +EOF +if ! compile_prog "" "" ; then + error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)" +fi + gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits" gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags" gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags" @@ -1911,21 +1936,7 @@ else QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces" fi -# Workaround for http://gcc.gnu.org/PR55489. Happens with -fPIE/-fPIC and -# large functions that use global variables. The bug is in all releases of -# GCC, but it became particularly acute in 4.6.x and 4.7.x. It is fixed in -# 4.7.3 and 4.8.0. We should be able to delete this at the end of 2013. -cat > $TMPC << EOF -#if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2)) -int main(void) { return 0; } -#else -#error No bug in this compiler. -#endif -EOF -if compile_prog "-Werror -fno-gcse" "" ; then - TRANSLATE_OPT_CFLAGS=-fno-gcse -fi - +# Static linking is not possible with modules or PIE if test "$static" = "yes" ; then if test "$modules" = "yes" ; then error_exit "static and modules are mutually incompatible" @@ -5123,11 +5134,6 @@ fi int128=no cat > $TMPC << EOF -#if defined(__clang_major__) && defined(__clang_minor__) -# if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2)) -# error __int128_t does not work in CLANG before 3.2 -# endif -#endif __int128_t a; __uint128_t b; int main (void) { @@ -6963,7 +6969,6 @@ echo "LIBS_QGA+=$libs_qga" >> $config_host_mak echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak echo "POD2MAN=$POD2MAN" >> $config_host_mak -echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak if test "$gcov" = "yes" ; then echo "CONFIG_GCOV=y" >> $config_host_mak echo "GCOV=$gcov_tool" >> $config_host_mak |