[FFmpeg-cvslog] configure: fix clang-cl detection
Alexander Bilyak
git at videolan.org
Sun Apr 15 18:38:12 EEST 2018
ffmpeg | branch: master | Alexander Bilyak <bilyak.alexander at gmail.com> | Thu Feb 1 11:52:24 2018 +0100| [9fd11e51882aad9000943a9962d10880cae6667a] | committer: Michael Niedermayer
configure: fix clang-cl detection
When using clang-cl it expects parameters passed in MSVC-style, so appropriate toolchain should be selected.
As soon as both clang and clang-cl report themselfs as "clang" with -v option the only chance to detect
clang-cl is passing -? option to both which is valid for clang-cl.exe and not for clang.exe.
Reviewed-by: Dale Curtis <dalecurtis at chromium.org>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9fd11e51882aad9000943a9962d10880cae6667a
---
configure | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/configure b/configure
index 36e425be62..a6f32f8d9a 100755
--- a/configure
+++ b/configure
@@ -4339,7 +4339,7 @@ probe_cc(){
_depflags='-MMD'
_cflags_speed='-O3'
_cflags_size='-Os'
- elif $_cc -v 2>&1 | grep -q clang; then
+ elif $_cc -v 2>&1 | grep -q clang && ! $_cc -? > /dev/null 2>&1; then
_type=clang
_ident=$($_cc --version 2>/dev/null | head -n1)
_depflags='-MMD -MF $(@:.o=.d) -MT $@'
@@ -4410,7 +4410,7 @@ probe_cc(){
_flags_filter=msvc_flags
_ld_lib='lib%.a'
_ld_path='-libpath:'
- elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
+ elif $_cc -nologo- 2>&1 | grep -q Microsoft || $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; then
_type=msvc
_ident=$($_cc 2>&1 | head -n1 | tr -d '\r')
_DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
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