compiler check

Original commit message from CVS:
compiler check

diff --git a/m4/as-compiler.m4 b/m4/as-compiler.m4
new file mode 100644 (file)
index 0000000..e0a2206
--- /dev/null
+++ b/m4/as-compiler.m4
@@ -0,0 +1,41 @@
+dnl as-compiler.m4 0.0.1
+dnl autostars m4 macro for detection of compiler flavour
+dnl
+dnl thomas@apestaart.org
+
+dnl AS_COMPILER(COMPILER)
+dnl will set COMPILER to
+dnl - gcc
+dnl - forte
+dnl - (empty) if no guess could be made
+
+AC_DEFUN(AS_COMPILER,
+[
+  as_compiler=
+  AC_MSG_CHECKING(for compiler flavour)
+
+  dnl is it gcc ?
+  if test "x$GCC" = "xyes"; then
+    as_compiler="gcc"
+  fi
+
+  dnl is it forte ?
+  AC_TRY_RUN([
+int main
+(int argc, char *argv[])
+{
+#ifdef __sun
+  return 0;
+#else
+  return 1;
+#endif
+}
+  ], as_compiler="forte", ,)
+
+  if test "x$as_compiler" = "x"; then
+    AC_MSG_RESULT([unknown !])
+  else
+    AC_MSG_RESULT($as_compiler)
+  fi
+  [$1]=$as_compiler
+])