Hi!
Attached patch avoids that ffmpeg claims its compiler was "No input
file" when using clang-cl.
Please comment, Carl Eugen
From 659397c2ef2881cc5a5c99597aab5946a8f28c43 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <ceffm...@gmail.com>
Date: Thu, 26 Mar 2020 00:00:10 +0100
Subject: [PATCH] configure: Get the correct ident for clang-cl.exe
Instead of "No input file specified"
---
configure | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/configure b/configure
index 18f2841765..68a81f81bb 100755
--- a/configure
+++ b/configure
@@ -4663,7 +4663,11 @@ probe_cc(){
_ld_path='-libpath:'
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')
+ if $_cc -nologo- 2>&1 | grep -q Microsoft; then
+ _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')
+ else
+ _ident=$($_cc --version 2>/dev/null | head -n1)
+ fi
_DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
_DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
_cflags_speed="-O2"
--
2.24.1
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