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Build failure with clang
- From: Gerald Pfeifer <gerald at pfeifer dot com>
- To: gcc at gcc dot gnu dot org
- Date: Tue, 13 Jan 2015 18:45:10 +0100 (CET)
- Subject: Build failure with clang
- Authentication-results: sourceware.org; auth=none
In the last 36 hours or so someone has broken bootstrap with
clang as the bootstrap compiler (this being FreeBSD 10.1):
echo timestamp > s-gtype
c++ -c -g -O2 -DIN_GCC -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic
-Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror
-fno-common -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild
-I/scratch2/tmp/gerald/gcc-HEAD/gcc
-I/scratch2/tmp/gerald/gcc-HEAD/gcc/build
-I/scratch2/tmp/gerald/gcc-HEAD/gcc/../include
-I/scratch2/tmp/gerald/gcc-HEAD/gcc/../libcpp/include \
-o build/genpreds.o /scratch2/tmp/gerald/gcc-HEAD/gcc/genpreds.c
c++: error: treating 'c' input as 'c++' when in C++ mode, this behavior
is deprecated
Makefile:2422: recipe for target 'build/genpreds.o' failed
gmake[2]: *** [build/genpreds.o] Error 1
gmake[2]: Leaving directory '/scratch2/tmp/gerald/OBJ-0113-1137/gcc'
Makefile:4331: recipe for target 'all-gcc' failed
gmake[1]: *** [all-gcc] Error 2
gmake[1]: Leaving directory '/scratch2/tmp/gerald/OBJ-0113-1137'
Makefile:21965: recipe for target 'bootstrap-lean' failed
gmake: *** [bootstrap-lean] Error 2
I did not find an obvious patch causing this right away. Any
ideas?
At this stage in the build, after "Comparing stages 2 and 3"
has run, why is c++ used (not what we just built)?
Gerald