[Bug bootstrap/28515] New: CFLAGS not propagated, resulting in object mismatch

[skunk at iskunk dot org]

Configured gcc with CFLAGS=-xarch=v9 (among other flags) to produce 64-bit code
from the system compiler, instead of the default of 32-bit.

----(begin build log excerpt)----
cc -c   -g -DENABLE_CHECKING -DENABLE_ASSERT_CHECKING -DIN_GCC    
-DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild
-I/tg/freeport/src/gcc/gcc--4.1.1/gcc
-I/tg/freeport/src/gcc/gcc--4.1.1/gcc/build
-I/tg/freeport/src/gcc/gcc--4.1.1/gcc/../include
-I/tg/freeport/src/gcc/gcc--4.1.1/gcc/../libcpp/include  -D__EXTENSIONS__
-D_REENTRANT -Dsparc    -o build/errors.o
/tg/freeport/src/gcc/gcc--4.1.1/gcc/errors.c
cc   -g -DENABLE_CHECKING -DENABLE_ASSERT_CHECKING -DIN_GCC     -DHAVE_CONFIG_H
-DGENERATOR_FILE  -o build/genmodes \
 build/genmodes.o build/errors.o
../build-sparc-sun-solaris2.8/libiberty/libiberty.a
ild: (bad file) Input file ../build-sparc-sun-solaris2.8/libiberty/libiberty.a
contains 64-bit relocatable, but producing a 32-bit file.
gmake[2]: *** [build/genmodes] Error 1
gmake[2]: Leaving directory `/export/home/cport/tmp/gcc--4.1.1.build/gcc'
gmake[1]: *** [stage1_build] Error 2
gmake[1]: Leaving directory `/export/home/cport/tmp/gcc--4.1.1.build/gcc'
gmake: *** [bootstrap-lean] Error 2
----(end build log excerpt)----

build/errors.o and build/genmodes are compiled and linked without the original
CFLAGS, while libiberty.a was. From the looks of it, gcc/Makefile doesn't pick
up CFLAGS at all.


-- 
           Summary: CFLAGS not propagated, resulting in object mismatch
           Product: gcc
           Version: 4.1.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: skunk at iskunk dot org
 GCC build triplet: sparc-sun-solaris2.8
  GCC host triplet: sparc-sun-solaris2.8
GCC target triplet: sparc-sun-solaris2.8


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28515