[FFmpeg-cvslog] configure: Detect msvcrt libc with a CPP check instead of a link check

[Diego Biurrun]

ffmpeg | branch: master | Diego Biurrun <diego at biurrun.de> | Wed Dec  4 10:25:04 2013 -0500| [bd8b6185f6d1fb0433f048c4096b858e6f88ded6] | committer: Diego Biurrun

configure: Detect msvcrt libc with a CPP check instead of a link check

Simplifies host/target libc detection splitting.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bd8b6185f6d1fb0433f048c4096b858e6f88ded6
---

 configure |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index dfa8d9d..663fe6d 100755
--- a/configure
+++ b/configure
@@ -3393,7 +3393,7 @@ elif check_header _mingw.h; then
             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
         die "ERROR: MinGW runtime version must be >= 3.15."
     add_cppflags -U__STRICT_ANSI__
-elif check_func_headers stdlib.h _get_doserrno; then
+elif check_cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
     libc_type=msvcrt
     add_compat strtod.o strtod=avpriv_strtod
     add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \