From 3620a1ce26b6a139e3bc6b0f13f6fe9e85ff7c4a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?=
 <zmoelnig@users.sourceforge.net>
Date: Thu, 5 Mar 2015 15:09:05 +0000
Subject: added missing files for autotools migration

svn path=/trunk/externals/iem/iemmatrix/; revision=17433
---
 m4/iem_checkflags.m4 | 111 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 m4/iem_checkflags.m4

(limited to 'm4/iem_checkflags.m4')

diff --git a/m4/iem_checkflags.m4 b/m4/iem_checkflags.m4
new file mode 100644
index 0000000..cd21632
--- /dev/null
+++ b/m4/iem_checkflags.m4
@@ -0,0 +1,111 @@
+dnl Copyright (C) 2005-2011 IOhannes m zmölnig
+dnl This file is free software; IOhannes m zmölnig
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+# IEM_CHECK_CPPFLAGS(ADDITIONAL-CPPFLAGS, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
+#
+# checks whether the $(C) compiler accepts the ADDITIONAL-CPPFLAGS
+# if so, they are added to the CPPFLAGS
+AC_DEFUN([IEM_CHECK_CPPFLAGS],
+[
+  AC_MSG_CHECKING([whether $CPP accepts "$1"])
+  temp_check_cppflags="${CPPFLAGS}"
+  CPPFLAGS="$1 ${CPPFLAGS}"
+  AC_PREPROC_IFELSE(
+        [AC_LANG_SOURCE([[int main(void){return 0;}]])],
+        [AC_MSG_RESULT([yes])],
+        [AC_MSG_RESULT([no]); CPPFLAGS="${temp_check_cppflags}"])
+])# IEM_CHECK_CPPFLAGS
+
+
+
+# IEM_CHECK_CFLAGS(ADDITIONAL-CFLAGS, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
+#
+# checks whether the $(C) compiler accepts the ADDITIONAL-CFLAGS
+# if so, they are added to the CFLAGS
+AC_DEFUN([IEM_CHECK_CFLAGS],
+[
+  AC_MSG_CHECKING([whether $CC accepts "$1"])
+cat > conftest.c << EOF
+int main(){
+  return 0;
+}
+EOF
+if $CC $CFLAGS [$1] -o conftest.o conftest.c > /dev/null 2>&1
+then
+  AC_MSG_RESULT([yes])
+  CFLAGS="${CFLAGS} [$1]"
+  [$2]
+else
+  AC_MSG_RESULT([no])
+  [$3]
+fi
+])# IEM_CHECK_CFLAGS
+
+# IEM_CHECK_CXXFLAGS(ADDITIONAL-CXXFLAGS, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
+#
+# checks whether the $(CXX) (c++) compiler accepts the ADDITIONAL-CXXFLAGS
+# if so, they are added to the CXXFLAGS
+AC_DEFUN([IEM_CHECK_CXXFLAGS],
+[
+  AC_MSG_CHECKING([whether $CXX accepts "$1"])
+cat > conftest.c++ << EOF
+int main(){
+  return 0;
+}
+EOF
+if $CXX $CPPFLAGS $CXXFLAGS -o conftest.o conftest.c++ [$1] > /dev/null 2>&1
+then
+  AC_MSG_RESULT([yes])
+  CXXFLAGS="${CXXFLAGS} [$1]"
+  [$2]
+else
+  AC_MSG_RESULT([no])
+  [$3]
+fi
+])# IEM_CHECK_CXXFLAGS
+
+# IEM_CHECK_FRAMEWORK(FRAMEWORK, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
+#
+#
+AC_DEFUN([IEM_CHECK_FRAMEWORK],
+[
+  AC_MSG_CHECKING([for "$1"-framework])
+
+  temp_check_ldflags_org="${LDFLAGS}"
+  LDFLAGS="-framework [$1] ${LDFLAGS}"
+
+  AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], [temp_check_ldflags_success="yes"],[temp_check_ldflags_success="no"])
+
+  if test "x$temp_check_ldflags_success" = "xyes"; then
+    AC_MSG_RESULT([yes])
+    [$2]
+  else
+    AC_MSG_RESULT([no])
+    LDFLAGS="$temp_check_ldflags_org"
+    [$3]
+  fi
+])# IEM_CHECK_FRAMEWORK
+
+# IEM_CHECK_LDFLAGS(ADDITIONAL-LDFLAGS, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
+#
+# checks whether the $(LD) linker accepts the ADDITIONAL-LDFLAGS
+# if so, they are added to the LDFLAGS
+AC_DEFUN([IEM_CHECK_LDFLAGS],
+[
+  AC_MSG_CHECKING([whether linker accepts "$1"])
+  temp_check_ldflags_org="${LDFLAGS}"
+  LDFLAGS="$1 ${LDFLAGS}"
+
+  AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], [temp_check_ldflags_success="yes"],[temp_check_ldflags_success="no"])
+
+  if test "x$temp_check_ldflags_success" = "xyes"; then
+    AC_MSG_RESULT([yes])
+    [$2]
+  else
+    AC_MSG_RESULT([no])
+    LDFLAGS="$temp_check_ldflags_org"
+    [$3]
+  fi
+])# IEM_CHECK_LDFLAGS
-- 
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