The C runtime C99 compatibility had been improved a lot and it now
rejects some of the compatibility defines provided for the older
versions.

Bug-Id: 864
CC: libav-sta...@libav.org
---

Thanks to Hugo, Thomas and Rob for getting me the crtversion.h when I asked it.

 configure | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/configure b/configure
index 18f0518..9013972 100755
--- a/configure
+++ b/configure
@@ -3021,9 +3021,6 @@ probe_cc(){
         _ld_path='-libpath:'
         _flags='-nologo'
         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS 
-Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
-        if [ $pfx = hostcc ]; then
-            append _cflags -Dsnprintf=_snprintf
-        fi
     elif $_cc 2>&1 | grep -q Intel; then
         _type=icl
         _ident=$($_cc 2>&1 | head -n1)
@@ -3047,9 +3044,6 @@ probe_cc(){
         # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
         # with MSVC which enables it by default.
         _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 
-Qvec- -Qsimd- -GS'
-        if [ $pfx = hostcc ]; then
-            append _cflags -Dsnprintf=_snprintf
-        fi
     elif $_cc --version 2>/dev/null | grep -q ^cparser; then
         _type=cparser
         _ident=$($_cc --version | head -n1)
@@ -3742,7 +3736,15 @@ probe_libc(){
         eval test \$${pfx_no_}cc_type = "gcc" &&
             add_${pfx}cppflags -D__printf__=__gnu_printf__
     elif check_${pfx}cpp_condition crtversion.h "defined 
_VC_CRT_MAJOR_VERSION"; then
-        eval ${pfx}libc_type=msvcrt
+        if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 
14"; then
+            eval ${pfx}libc_type=msvcrt_c99
+        else
+            eval ${pfx}libc_type=msvcrt
+
+            if [ $pfx = host_ ]; then
+                add_host_cppflags -Dsnprintf=_snprintf
+            fi
+        fi
         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
         # 0x601 by default unless something else is set by the user.
         # This can easily lead to us detecting functions only present
--
1.9.0

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