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How to compile GNU MPFR with mini-gmp
=====================================
This was tested with MPFR svn 13047 and GMP 6.1.2 on x86_64 GNU/Linux:
============================================================================
Testsuite summary for MPFR 4.0.0-dev
============================================================================
# TOTAL: 183
# PASS: 173
# SKIP: 10
# XFAIL: 0
# FAIL: 0
# XPASS: 0
# ERROR: 0
There are 2 ways to build MPFR against mini-gmp.
A) With --with-mini-gmp:
./configure --with-mini-gmp=DIR [other configure options]
"make" will build mini-gmp with the same compiler as for MPFR.
B) With --enable-mini-gmp:
1) extract the GMP tarball in say /tmp/gmp-6.1.2
go into /tmp/gmp-6.1.2/mini-gmp
gcc -O2 -g -fPIC -c mini-gmp.c
ar r libgmp.a mini-gmp.o
2) create a GMP install directory in say /tmp
mkdir /tmp/include
mkdir /tmp/lib
cp libgmp.a /tmp/lib
cp mini-gmp.h /tmp/include/gmp.h
3) extract the MPFR tarball in say /tmp/mpfr
./configure --with-gmp=/tmp --enable-mini-gmp --disable-shared
Note: In both cases, to use this version of the MPFR library, you need to
define the MPFR_USE_MINI_GMP macro before including mpfr.h (alternatively,
you can modify mpfr.h to define this macro at the beginning). But this will
currently not be usable as is if mini-gmp.h doesn't declare gmp_randstate_t.
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