[Bug other/49137] build fails when gmp/mpfr already installed

["sliwa at blue dot cft.edu.pl" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49137

--- Comment #2 from Cezary Sliwa <sliwa at blue dot cft.edu.pl> 2011-12-16 12:17:18 UTC ---

tar jxf gcc-4.5.3.tar.bz2
tar jxf gmp-4.3.2.tar.bz2
tar jxf mpfr-3.0.0.tar.bz2
tar zxf mpc-0.9.tar.gz
patch -p1 -d mpfr-3.0.0 <mpfr-3.0.0-p8.diff
cd gcc-4.5.3
ln -s ../gmp-4.3.2 gmp
ln -s ../mpfr-3.0.0 mpfr
ln -s ../mpc-0.9 mpc
cd ..
mkdir objdir-4.5.3
cd objdir-4.5.3/
../gcc-4.5.3/configure --prefix=${HOME}/opt/gcc/4.5.3
--enable-languages=c,c++,fortran
gmake


fails with:


checking for gmp.h... no
configure: error: gmp.h can't be found, or is unusable.
gmake[2]: *** [configure-stage1-mpfr] Error 1
gmake[2]: Leaving directory `/usr/home/sliwa/src/gcc/objdir-4.5.3'
gmake[1]: *** [stage1-bubble] Error 2
gmake[1]: Leaving directory `/usr/home/sliwa/src/gcc/objdir-4.5.3'
gmake: *** [all] Error 2


$ ls -l gmp/gmp.h
-rw-r--r--  1 sliwa  users  84253 Dec 16 14:12 gmp/gmp.h
$ ls -l gmp/.libs/
total 1778
-rw-r--r--  1 sliwa  users  1801182 Dec 16 14:13 libgmp.a
lrwxr-xr-x  1 sliwa  users       12 Dec 16 14:13 libgmp.la -> ../libgmp.la
-rw-r--r--  1 sliwa  users      752 Dec 16 14:13 libgmp.lai