diff --git a/configure b/configure index 5dedace3a1..6ef29a64e6 100755 --- a/configure +++ b/configure @@ -387,7 +387,9 @@ Toolchain options: --windres=WINDRES use windows resource compiler WINDRES [$windres_default] --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default] --cc=CC use C compiler CC [$cc_default] + --stdc=STDC use C standard STDC [$stdc_default] --cxx=CXX use C compiler CXX [$cxx_default] + --stdcxx=STDCXX use C standard STDCXX [$stdcxx_default] --objcc=OCC use ObjC compiler OCC [$cc_default] --dep-cc=DEPCC use dependency generator DEPCC [$cc_default] --nvcc=NVCC use Nvidia CUDA compiler NVCC or clang [$nvcc_default] @@ -1454,6 +1456,33 @@ test_cflags_cc(){ EOF } +check_cflags_cc(){ + log check_cflags_cc "$@" + flags=$1 + test_cflags_cc "$@" && add_cflags $flags +} + +test_cxxflags_cc(){ + log test_cxxflags_cc "$@" + flags=$1 + header=$2 + condition=$3 + shift 3 + set -- $($cflags_filter "$flags") + test_cxx "$@" < +#if !($condition) +#error "unsatisfied condition: $condition" +#endif +EOF +} + +check_cxxflags_cc(){ + log check_cxxflags_cc "$@" + flags=$1 + test_cxxflags_cc "$@" && add_cxxflags $flags +} + check_lib(){ log check_lib "$@" name="$1" @@ -1695,6 +1724,27 @@ int x; EOF } +test_host_cflags_cc(){ + log test_host_cflags_cc "$@" + flags=$1 + header=$2 + condition=$3 + shift 3 + set -- $($host_cflags_filter "$flags") + test_host_cc "$@" < +#if !($condition) +#error "unsatisfied condition: $condition" +#endif +EOF +} + +check_host_cflags_cc(){ + log check_host_cflags_cc "$@" + flags=$1 + test_host_cflags_cc "$@" && add_host_cflags $flags +} + test_host_cpp_condition(){ log test_host_cpp_condition "$@" header=$1 @@ -2653,6 +2703,8 @@ CMDLINE_SET=" random_seed ranlib samples + stdc + stdcxx strip sws_max_filter_size sysinclude @@ -3981,6 +4033,8 @@ mandir_default='${prefix}/share/man' # toolchain ar_default="ar" cc_default="gcc" +stdc_default="c11" +stdcxx_default="c++11" cxx_default="g++" host_cc_default="gcc" doxygen_default="doxygen" @@ -4588,7 +4642,7 @@ if enabled cuda_nvcc; then fi set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \ - target_exec x86asmexe metalcc metallib + target_exec x86asmexe metalcc metallib stdc stdcxx enabled cross_compile || host_cc_default=$cc set_default host_cc @@ -4758,7 +4812,7 @@ icl_flags(){ # Despite what Intel's documentation says -Wall, which is supported # on Windows, does enable remarks so disable them here. -Wall) echo $flag -Qdiag-disable:remark ;; - -std=c11) echo -Qstd=c11 ;; + -std=$stdc) echo -Qstd=$stdc ;; -flto*) echo -ipo ;; esac done @@ -4806,7 +4860,7 @@ suncc_flags(){ athlon*) echo -xarch=pentium_proa ;; esac ;; - -std=c11) echo -xc11 ;; + -std=$stdc) echo -x$stdc ;; -fomit-frame-pointer) echo -xregs=frameptr ;; -fPIC) echo -KPIC -xcode=pic32 ;; -W*,*) echo $flag ;; @@ -4895,8 +4949,8 @@ probe_cc(){ _type=suncc _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-) _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)' - _DEPFLAGS='-xM1 -xc11' - _ldflags='-std=c11' + _DEPFLAGS='-xM1 -x$stdc' + _ldflags='-std=$stdc' _cflags_speed='-O5' _cflags_size='-O5 -xspace' _flags_filter=suncc_flags @@ -5527,18 +5581,21 @@ fi add_cppflags -D_ISOC11_SOURCE add_cxxflags -D__STDC_CONSTANT_MACROS -check_cxxflags -std=c++11 || check_cxxflags -std=c++0x +check_cxxflags_cc -std=$stdcxx ctype.h "__cplusplus >= 201103L" || + { check_cxxflags -std=c++11 && stdcxx="c++11" || { check_cxxflags -std=c++0x && stdcxx="c++0x"; }; } # some compilers silently accept -std=c11, so we also need to check that the # version macro is defined properly -test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" && - add_cflags -std=c11 || die "Compiler lacks C11 support" +check_cflags_cc -std=$stdc ctype.h "__STDC_VERSION__ >= 201112L" || + { check_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" && stdc="c11" || die "Compiler lacks C11 support"; } check_cppflags -D_FILE_OFFSET_BITS=64 check_cppflags -D_LARGEFILE_SOURCE add_host_cppflags -D_ISOC11_SOURCE -check_host_cflags -std=c11 +check_host_cflags_cc -std=$stdc ctype.h "__STDC_VERSION__ >= 201112L" || + check_host_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" || die "Host compiler lacks C11 support" + check_host_cflags -Wall check_host_cflags $host_cflags_speed