courier-unicode: add autoconf macros.

1 files changed, 76 insertions, 0 deletions

diff --git a/unicode/m4/courier-unicode.m4 b/unicode/m4/courier-unicode.m4
new file mode 100644
index 0000000..06b544a
--- /dev/null
+++ b/unicode/m4/courier-unicode.m4
@@ -0,0 +1,76 @@
+dnl Sets the COURIER_UNICODE_CXXFLAGS variable to any additional compiler
+dnl flags needed to build the courier-unicode package and packages that
+dnl use the courier-unicode package.
+
+AC_DEFUN([AX_COURIER_UNICODE_CXXFLAGS],[
+
+save_FLAGS="$CXXFLAGS"
+
+AC_LANG_PUSH([C++])
+
+AC_TRY_COMPILE([
+#include <string>
+], [
+     std::u32string s;
+     char32_t c;
+     ],
+     [
+     ],
+     [
+
+COURIER_UNICODE_CXXFLAGS="-std=c++11"
+CXXFLAGS="$save_CFLAGS $COURIER_UNICODE_CXXFLAGS"
+
+AC_TRY_COMPILE([
+#include <string>
+], [
+     std::u32string s;
+     char32_t c;
+     ],
+     [
+     ],
+     [
+
+COURIER_UNICODE_CXXFLAGS="-std=c++0x"
+CXXFLAGS="$save_CFLAGS $COURIER_UNICODE_CXXFLAGS"
+
+AC_TRY_COMPILE([
+#include <string>
+], [
+     std::u32string s;
+     char32_t c;
+     ],
+     [
+     ],
+     [
+AC_MSG_ERROR([*** A compiler with C++11 Unicode support was not found])
+])
+])
+])
+CXXFLAGS="$save_FLAGS"
+AC_LANG_POP([C++])
+])
+
+AC_DEFUN([AX_COURIER_UNICODE_VERSION],[
+
+AC_MSG_CHECKING(courier-unicode library and version)
+
+AC_TRY_COMPILE([
+#include <courier-unicode.h>
+#ifndef COURIER_UNICODE_VERSION
+#define COURIER_UNICODE_VERSION 0
+#endif
+
+#if COURIER_UNICODE_VERSION < 200
+#error "courier-unicode 2.0 library is required"
+#endif
+
+],[],[],
+AC_MSG_ERROR([
+ERROR: The Courier Unicode Library 2.0 header files appear not to be installed.
+You may need to upgrade the library or install a separate development
+subpackage in addition to the main package.])
+)
+
+AC_MSG_RESULT([ok])
+])