[bug#49881] [PATCH] gnu: mpfr-boot: Use gmp-boot as a dependency

[Thiago Jung Bauermann via Guix-patches via <guix-patches@gnu.org>]

The current GMP version is incompatible with MPFR 2.4 (which was released
in 2009) and causes the build of ‘mpfr-boot’ to fail.

Fix the problem by using ‘gmp-boot’, which is from early 2010.

* gnu/packages/commencement.scm (mpfr-boot)[propagated-inputs]: Add
gmp-boot.
---

Hello,

This is a problem affecting both master and core-updates-frozen, so
I suggest committing this patch to master. It applies cleanly on both
branches.

It also affects at least the i686-linux, x86_64-linux and powerpc64-linux
architectures.

For reference, there’s a ton of error messages during build but these
are the first ones:

In file included from mpfr-impl.h:81:0,
                 from add1.c:23:
mpfr.h:141:9: error: unknown type name ‘__gmp_const’
 typedef __gmp_const __mpfr_struct *mpfr_srcptr;
         ^~~~~~~~~~~
In file included from mpfr-impl.h:81:0,
                 from add.c:23:
mpfr.h:141:9: error: unknown type name ‘__gmp_const’
 typedef __gmp_const __mpfr_struct *mpfr_srcptr;
         ^~~~~~~~~~~
mpfr.h:141:35: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’
before ‘*’ token
 typedef __gmp_const __mpfr_struct *mpfr_srcptr;
                                   ^
mpfr.h:204:29: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’
before ‘char’
 __MPFR_DECLSPEC __gmp_const char * mpfr_get_version _MPFR_PROTO
((void));
                             ^~~~
mpfr.h:205:29: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’
before ‘char’
 __MPFR_DECLSPEC __gmp_const char * mpfr_get_patches _MPFR_PROTO
((void));
                             ^~~~


Thanks,
Thiago


 gnu/packages/commencement.scm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/commencement.scm b/gnu/packages/commencement.scm
index 16eb46d44d77..f8973392262f 100644
--- a/gnu/packages/commencement.scm
+++ b/gnu/packages/commencement.scm
@@ -1869,7 +1869,8 @@ ac_cv_c_float_format='IEEE (little-endian)'
               (uri (string-append "mirror://gnu/mpfr/mpfr-" version
                                   ".tar.gz"))
               (sha256 (base32
-                       "0dxn4904dra50xa22hi047lj8kkpr41d6vb9sd4grca880c7wv94"))))))
+                       "0dxn4904dra50xa22hi047lj8kkpr41d6vb9sd4grca880c7wv94"))))
+    (propagated-inputs `(("gmp" ,gmp-boot)))))            ; <mpfr.h> refers to <gmp.h>
 
 (define mpc-boot
   (package