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Extend c++11 tests in configure script

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Now also checks if gcc is at least version 4.7 or clang is at least version 3.1
This commit is contained in:
Bart van Strien
2015-08-17 19:01:43 +02:00
parent 987ddcdc26
commit acca06907e
2 changed files with 71 additions and 14 deletions
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platform/unix/configure.ac
+2 -14
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@@ -19,23 +19,11 @@ AC_LANG([C++])
includes=
AC_DEFUN([ACLOVE_CXX_FLAG_TEST], # WARNING: NOT REENTRANT
[aclove_cxx_flag_test_save_cflags="$CXXFLAGS"
CXXFLAGS="$1"
AC_MSG_CHECKING([whether $CXX supports flag $1])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
[AC_MSG_RESULT([yes])]; $2,
[AC_MSG_RESULT([no]); $3])
CXXFLAGS="$aclove_cxx_flag_test_save_cflags"])
AC_DEFUN([LOVE_MSG_ERROR],
[AC_MSG_ERROR([LÖVE needs "$1"[,] please install "$1" with development files and try again])])
# C++11 support
cxx11name="no"
ACLOVE_CXX_FLAG_TEST([-std=c++0x], cxx11name="c++0x", [])
ACLOVE_CXX_FLAG_TEST([-std=c++11], cxx11name="c++11", [])
AS_VAR_IF([cxx11name], [no], AC_MSG_ERROR([LÖVE needs a C++ compiler with C++11 support]), CXXFLAGS="$CXXFLAGS -std=$cxx11name")
# C++11 support in m4/cpp11.m4
ACLOVE_CPP11_TEST
# Allow people on OSX to use autotools, they need their platform files
AC_ARG_ENABLE([osx],