[LLVMdev] Trouble Building llvm-gcc-4.2

Török Edwin
Fri, 03 Apr 2009 15:51:00 -0000

On 2009-04-03 18:39, David Greene wrote:
> I'm still trying to debug the validator buildbot.
>
> I'm getting this error when building some variants of llvm-gcc-4.2:
>
> /bin/sh ../../src/gcc/mkconfig.sh bconfig.h
> gcc -c   -g -DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prototypes
> -Wmissing-prototypes -pedantic -Wno-long-long -Wno-variadic-macros
> -Wno-overlength-strings -Wold-style-definition -Wmissing-format-attribute
> -fno-common   -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild -I../../src/gcc
> -I../../src/gcc/build -I../../src/gcc/../include
> -I../../src/gcc/../libcpp/include  -I../../src/gcc/../libdecnumber
> -I../libdecnumber
>
-I/tmp/ptmp/dag/buildbot/slaves/llvm-validate/llvm-validate-release-egypt-linux/build/llvm-initial/obj/include
>
-I/tmp/ptmp/dag/buildbot/slaves/llvm-validate/llvm-validate-release-egypt-linux/build/llvm-initial/src/include
> -DENABLE_LLVM
>
-I/tmp/ptmp/dag/buildbot/slaves/llvm-validate/llvm-validate-release-egypt-linux/build/llvm-initial/obj/../src/include
> -DNDEBUG  -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS   -o
> build/errors.o ../../src/gcc/errors.c
> build/genmodes -h > tmp-modes.h
> /bin/sh: line 1: build/genmodes: No such file or directory
> make[4]: *** [s-modes-h] Error 127
>
> Google turned up a gcc bug in which a maintainer explained that doing
> a ./configure in the source directory could cause this.  Except the
buildbot
> doesn't do that.
>
> Anyone seen this before and have any idea how to fix it?

Yes, when I didn't have flex installed.
Though gcc's configure script should detect that, shouldn't it?

Best regards,
--Edwin