diff options
Diffstat (limited to 'erts/aclocal.m4')
| -rw-r--r-- | erts/aclocal.m4 | 99 |
1 files changed, 97 insertions, 2 deletions
diff --git a/erts/aclocal.m4 b/erts/aclocal.m4 index bd228a2d1f..339a15a2bb 100644 --- a/erts/aclocal.m4 +++ b/erts/aclocal.m4 @@ -112,6 +112,94 @@ fi dnl ---------------------------------------------------------------------- dnl +dnl LM_WINDOWS_ENVIRONMENT +dnl +dnl +dnl Tries to determine thw windows build environment, i.e. +dnl MIXED_CYGWIN_VC or MIXED_MSYS_VC +dnl + +AC_DEFUN(LM_WINDOWS_ENVIRONMENT, +[ +MIXED_CYGWIN=no +MIXED_MSYS=no + +AC_MSG_CHECKING(for mixed cygwin or msys and native VC++ environment) +if test "X$host" = "Xwin32" -a "x$GCC" != "xyes"; then + if test -x /usr/bin/cygpath; then + CFLAGS="-O2" + MIXED_CYGWIN=yes + AC_MSG_RESULT([Cygwin and VC]) + MIXED_CYGWIN_VC=yes + CPPFLAGS="$CPPFLAGS -DERTS_MIXED_CYGWIN_VC" + elif test -x /usr/bin/msysinfo; then + CFLAGS="-O2" + MIXED_MSYS=yes + AC_MSG_RESULT([MSYS and VC]) + MIXED_MSYS_VC=yes + CPPFLAGS="$CPPFLAGS -DERTS_MIXED_MSYS_VC" + else + AC_MSG_RESULT([undeterminable]) + AC_MSG_ERROR(Seems to be mixed windows but not with cygwin, cannot handle this!) + fi +else + AC_MSG_RESULT([no]) + MIXED_CYGWIN_VC=no + MIXED_MSYS_VC=no +fi +AC_SUBST(MIXED_CYGWIN_VC) +AC_SUBST(MIXED_MSYS_VC) + +MIXED_VC=no +if test "x$MIXED_MSYS_VC" = "xyes" -o "x$MIXED_CYGWIN_VC" = "xyes" ; then + MIXED_VC=yes +fi + +AC_SUBST(MIXED_VC) + +if test "x$MIXED_MSYS" != "xyes"; then + AC_MSG_CHECKING(for mixed cygwin and native MinGW environment) + if test "X$host" = "Xwin32" -a "x$GCC" = x"yes"; then + if test -x /usr/bin/cygpath; then + CFLAGS="-O2" + MIXED_CYGWIN=yes + AC_MSG_RESULT([yes]) + MIXED_CYGWIN_MINGW=yes + CPPFLAGS="$CPPFLAGS -DERTS_MIXED_CYGWIN_MINGW" + else + AC_MSG_RESULT([undeterminable]) + AC_MSG_ERROR(Seems to be mixed windows but not with cygwin, cannot handle this!) + fi + else + AC_MSG_RESULT([no]) + MIXED_CYGWIN_MINGW=no + fi +else + MIXED_CYGWIN_MINGW=no +fi +AC_SUBST(MIXED_CYGWIN_MINGW) + +AC_MSG_CHECKING(if we mix cygwin with any native compiler) +if test "X$MIXED_CYGWIN" = "Xyes"; then + AC_MSG_RESULT([yes]) +else + AC_MSG_RESULT([no]) +fi + +AC_SUBST(MIXED_CYGWIN) + +AC_MSG_CHECKING(if we mix msys with another native compiler) +if test "X$MIXED_MSYS" = "Xyes" ; then + AC_MSG_RESULT([yes]) +else + AC_MSG_RESULT([no]) +fi + +AC_SUBST(MIXED_MSYS) +]) + +dnl ---------------------------------------------------------------------- +dnl dnl LM_FIND_EMU_CC dnl dnl @@ -125,8 +213,10 @@ AC_DEFUN(LM_FIND_EMU_CC, ac_cv_prog_emu_cc, [ AC_TRY_COMPILE([],[ -#ifdef __llvm__ -#error "llvm is currently unable to compile beam_emu.c" +#if defined(__clang_major__) && __clang_major__ >= 3 + /* clang 3.x or later is fine */ +#elif defined(__llvm__) +#error "this version of llvm is unable to correctly compile beam_emu.c" #endif __label__ lbl1; __label__ lbl2; @@ -168,6 +258,11 @@ if test $ac_cv_prog_emu_cc != no; then CFLAGS="" CPPFLAGS="" AC_TRY_COMPILE([],[ +#if defined(__clang_major__) && __clang_major__ >= 3 + /* clang 3.x or later is fine */ +#elif defined(__llvm__) +#error "this version of llvm is unable to correctly compile beam_emu.c" +#endif __label__ lbl1; __label__ lbl2; int x = magic(); |