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-rw-r--r--erts/aclocal.m4107
1 files changed, 100 insertions, 7 deletions
diff --git a/erts/aclocal.m4 b/erts/aclocal.m4
index 231e176d1b..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 $ac_cv_prog_emu_cc != no; then
CFLAGS=""
CPPFLAGS=""
AC_TRY_COMPILE([],[
+#if defined(__clang_major__) && __clang_major__ >= 3
+ /* clang 3.x or later is fine */
+#elif defined(__llvm__)
+#error "this version of llvm is unable to correctly compile beam_emu.c"
+#endif
__label__ lbl1;
__label__ lbl2;
int x = magic();
@@ -1366,8 +1461,6 @@ case "$GCC-$host_cpu" in
;;
esac
-
-
AC_DEFINE(ETHR_HAVE_ETHREAD_DEFINES, 1, \
[Define if you have all ethread defines])
@@ -1648,11 +1741,11 @@ dnl Freely inspired by AC_TRY_LINK. (Maybe better to create a
dnl AC_LANG_JAVA instead...)
AC_DEFUN(ERL_TRY_LINK_JAVA,
[java_link='$JAVAC conftest.java 1>&AC_FD_CC'
-changequote(�, �)dnl
+changequote(, )dnl
cat > conftest.java <<EOF
-�$1�
+$1
class conftest { public static void main(String[] args) {
- �$2�
+ $2
; return; }}
EOF
changequote([, ])dnl