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Merge commit '16381923fb7b9087ce559fb1cd3594469ac6788b'

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* commit '16381923fb7b9087ce559fb1cd3594469ac6788b':
  configure: Check whether MSVC requires using the C89-to-C99 converter

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-11-14 02:26:26 +01:00
commit a7663ad9cf
1 changed files with 14 additions and 1 deletions
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15
configure vendored
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@ -2623,7 +2623,20 @@ case "$toolchain" in
target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
;;
msvc)
cc_default="c99wrap cl"
# Check whether the current MSVC version needs the C99 converter.
# From MSVC 2013 (compiler major version 18) onwards, it does actually
# support enough of C99 to build ffmpeg, but we still need to use
# c99wrap for passing command line parameters with a space (for
# avoiding msys path mangling/conversion issues). Default to the new
# behaviour if the regexp was unable to match anything, since this
# successfully parses the version number of existing supported
# versions that require the converter (MSVC 2010 and 2012).
cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
cc_default="c99wrap -noconv cl"
else
cc_default="c99wrap cl"
fi
ld_default="c99wrap link"
nm_default="dumpbin -symbols"
ar_default="lib"