configure: Ensure log2 is disable based on msvcrt version.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago · 4d93e758d7
parent 3b2ab8a783
commit 4d93e758d7
1 changed files with 2 additions and 3 deletions
--- a/5
+++ b/5
@ -4124,9 +4124,6 @@ case $libc_type in
        add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \
                                     _snprintf=avpriv_snprintf  \
                                     vsnprintf=avpriv_vsnprintf
-        # MSVC 2010 x64 requires log2 fix. However 2013 onwards is supported.
-        check_cpp_condition stdlib.h "_MSC_VER >= 1800" ||
-            disable log2
        ;;
 esac

@ -5021,6 +5018,8 @@ elif enabled_any msvc icl; then
            disable ebx_available
        fi
    fi
+    # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2.
+    check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
 fi

 case $as_type in