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|
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],[
AC_REQUIRE([AC_PROG_CXX])
save_FLAGS="$CXXFLAGS"
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <string>
]], [[
std::u32string s;
char32_t c;
]])],
[
],
[
COURIER_UNICODE_CXXFLAGS="-std=c++11"
CXXFLAGS="$save_CFLAGS $COURIER_UNICODE_CXXFLAGS"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <string>
]], [[
std::u32string s;
char32_t c;
]])],
[
],
[
COURIER_UNICODE_CXXFLAGS="-std=c++0x"
CXXFLAGS="$save_CFLAGS $COURIER_UNICODE_CXXFLAGS"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <string>
]], [[
std::u32string s;
char32_t c;
]])],
[
],
[
AC_MSG_ERROR([*** A compiler with C++11 Unicode support was not found])
])
])
])
CXXFLAGS="$save_FLAGS"
AC_LANG_POP([C++])
])
|
