[Bug fortran/34025] Warning when compiling with -m64 -ffast-math on Intel Darwin

[dominiq at lps dot ens dot fr]

------- Comment #2 from dominiq at lps dot ens dot fr  2007-11-08 13:19 -------
> Can you get the same warning with a C program?

Yes

> And can you please post the output of running gfortran with -v

[ibook-dhum] f90/bug% gfc -v -m64 -ffast-math ac.f90
Driving: gfc -mmacosx-version-min=10.4 -v -m64 -ffast-math ac.f90
-lgfortranbegin -lgfortran -shared-libgcc
Using built-in specs.
Target: i686-apple-darwin8
Configured with: ../gcc-4.3-work/configure --prefix=/opt/gcc/gcc4.3w
--mandir=/opt/gcc/gcc4.3w/share/man --infodir=/opt/gcc/gcc4.3w/share/info
--build=i686-apple-darwin8 --enable-languages=c,c++,fortran,objc,obj-c++
--with-gmp=/sw --with-libiconv-prefix=/sw --with-system-zlib
--x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib
Thread model: posix
gcc version 4.3.0 20071108 (experimental) (GCC) 
COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.4' '-v' '-m64' '-ffast-math'
'-shared-libgcc' '-mtune=generic'
 /opt/gcc/gcc4.3w/libexec/gcc/i686-apple-darwin8/4.3.0/f951 ac.f90 -fPIC -quiet
-dumpbase ac.f90 -mmacosx-version-min=10.4 -m64 -mtune=generic -auxbase ac
-version -ffast-math -fintrinsic-modules-path
/opt/gcc/gcc4.3w/lib/gcc/i686-apple-darwin8/4.3.0/finclude -o
/var/tmp//ccjovyzu.s
GNU F95 (GCC) version 4.3.0 20071108 (experimental) (i686-apple-darwin8)
        compiled by GNU C version 4.3.0 20071108 (experimental), GMP version
4.2.1, MPFR version 2.2.1.
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.4' '-v' '-m64' '-ffast-math'
'-shared-libgcc' '-mtune=generic'
 as -arch x86_64 -force_cpusubtype_ALL -o /var/tmp//cc5GHKYm.o
/var/tmp//ccjovyzu.s
COMPILER_PATH=/opt/gcc/gcc4.3w/libexec/gcc/i686-apple-darwin8/4.3.0/:/opt/gcc/gcc4.3w/libexec/gcc/i686-apple-darwin8/4.3.0/:/opt/gcc/gcc4.3w/libexec/gcc/i686-apple-darwin8/:/opt/gcc/gcc4.3w/lib/gcc/i686-apple-darwin8/4.3.0/:/opt/gcc/gcc4.3w/lib/gcc/i686-apple-darwin8/:/usr/libexec/gcc/i686-apple-darwin8/:/usr/lib/gcc/i686-apple-darwin8/
LIBRARY_PATH=/opt/gcc/gcc4.3w/lib/gcc/i686-apple-darwin8/4.3.0/x86_64/:/opt/gcc/gcc4.3w/lib/gcc/i686-apple-darwin8/4.3.0/../../../x86_64/:/opt/gcc/gcc4.3w/lib/gcc/i686-apple-darwin8/4.3.0/:/opt/gcc/gcc4.3w/lib/gcc/i686-apple-darwin8/4.3.0/../../../:/usr/lib/
COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.4' '-v' '-m64' '-ffast-math'
'-shared-libgcc' '-mtune=generic'
 /opt/gcc/gcc4.3w/libexec/gcc/i686-apple-darwin8/4.3.0/collect2 -dynamic -arch
x86_64 -macosx_version_min 10.4 -multiply_defined suppress
-weak_reference_mismatches non-weak -o a.out -lcrt1.o
/opt/gcc/gcc4.3w/lib/gcc/i686-apple-darwin8/4.3.0/x86_64/crt3.o
-L/opt/gcc/gcc4.3w/lib/gcc/i686-apple-darwin8/4.3.0/x86_64
-L/opt/gcc/gcc4.3w/lib/gcc/i686-apple-darwin8/4.3.0/../../../x86_64
-L/opt/gcc/gcc4.3w/lib/gcc/i686-apple-darwin8/4.3.0
-L/opt/gcc/gcc4.3w/lib/gcc/i686-apple-darwin8/4.3.0/../../..
/var/tmp//cc5GHKYm.o -lgfortranbegin -lgfortran -lgcc_s.10.4 -lgcc -lSystem
/opt/gcc/gcc4.3w/lib/gcc/i686-apple-darwin8/4.3.0/x86_64/crtfastmath.o
ld64 warning: in
/opt/gcc/gcc4.3w/lib/gcc/i686-apple-darwin8/4.3.0/x86_64/crtfastmath.o, file is
not of required architecture
COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.4' '-v' '-m64' '-ffast-math'
'-shared-libgcc' '-mtune=generic'


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34025