Merge pull request #1 from guitorri/fix_gcc_clang_osx

osx: support GCC 4.6+ and Clang 3.3+

qucs-core/configure.ac

@@ -124,20 +124,26 @@ case $host_os in
   ;;
 
   *darwin* )
-  dnl Check for MacOSX, require clang++
-  if test "$CXX" = "clang++" ; then
-    AC_MSG_CHECKING([whether clang works])
 
+  dnl MacOSX, clang++ flags
+  if test "$CXX" = "clang++" ; then
     CFLAGS="$CFLAGS -pipe"
     CXXFLAGS="$CXXFLAGS -pipe -fno-exceptions -stdlib=libc++"
     LDDFLAGS="$LDDFLAGS -stdlib=libc++"
     LIBS="$LIBS -lc++"
-    if test $USE_MAINTAINER_MODE = yes; then
-      CFLAGS="$CFLAGS -W -Wall -Wmissing-prototypes"
-      CXXFLAGS="$CXXFLAGS -W -Wall"
-    fi
-  else
-    AC_MSG_ERROR([clang++ required but not found])
+  fi
+
+  dnl MacOSX, GCC flags
+  if test "$CXX" = "g++" ; then
+    CFLAGS="$CFLAGS -pipe"
+    CXXFLAGS="$CXXFLAGS -pipe -fno-exceptions"
+    LDDFLAGS="$LDDFLAGS"
+    LIBS="$LIBS"
+  fi
+
+  if test $USE_MAINTAINER_MODE = yes; then
+    CFLAGS="$CFLAGS -W -Wall -Wmissing-prototypes"
+    CXXFLAGS="$CXXFLAGS -W -Wall"
   fi
   ;;
 

qucs/configure.ac

@@ -249,19 +249,14 @@ case $host_os in
     fi
     ;;
 
-   *darwin* )
-    dnl Check for MacOSX, require clang++
-    if test "$CXX" = "clang++" ; then
-      AC_MSG_CHECKING([whether clang works])
-
-      CFLAGS="$CFLAGS -pipe"
-      CXXFLAGS="$CXXFLAGS -pipe"
-      if test $USE_MAINTAINER_MODE = yes; then
-        CFLAGS="$CFLAGS -W -Wall -Wmissing-prototypes"
-        CXXFLAGS="$CXXFLAGS -W -Wall"
-      fi
-    else
-      AC_MSG_ERROR([clang++ required but not found])
+  *darwin* )
+    dnl MacOSX, common flags to GCC or Clang
+
+    CFLAGS="$CFLAGS -pipe"
+    CXXFLAGS="$CXXFLAGS -pipe"
+    if test $USE_MAINTAINER_MODE = yes; then
+      CFLAGS="$CFLAGS -W -Wall -Wmissing-prototypes"
+      CXXFLAGS="$CXXFLAGS -W -Wall"
     fi
 
     dnl Check for Qt in: