From: Matt Oliver <[email protected]>
Only MSVC 2010 in x64 mode, in the static msvcrt, had a
stray log2 function (which wasn't available in the headers).
MSVC 2013 has got a proper log2 function though.
---
configure | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/configure b/configure
index 0620615..d24b87e 100755
--- a/configure
+++ b/configure
@@ -1744,7 +1744,6 @@ fast_unaligned_if_any="aarch64 ppc x86"
simd_align_16_if_any="altivec neon sse"
# system capabilities
-log2_deps="!libc_msvcrt"
symver_if_any="symver_asm_label symver_gnu_asm"
valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
@@ -4563,6 +4562,8 @@ elif enabled_any msvc icl; then
# not supported (build will fail)
disable inline_asm
fi
+ # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards
actually has log2.
+ check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable
log2
fi
case $as_type in
--
1.9.5 (Apple Git-50.3)
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