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package/gcc: disallow Fortran on gcc 12/13 on Microblaze

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The build of gcc with Fortran support is broken on gcc 12.x and gcc
13.x, it fails with:

../../../libgfortran/generated/bessel_r8.c: In function 'bessel_yn_r8':
../../../libgfortran/generated/bessel_r8.c:178:1: internal compiler error: in gen_reg_rtx, at emit-rtl.cc:1167

This issue has been fixed in gcc 14.x, which builds a Microblaze
Fortran-capable toolchain successfully.

Since we're not really interested in figuring out the commit that
fixed the problem, let's simply disallow the selection of Fortran with
gcc12/13 on Microblaze.

Fixes:

  http://autobuild.buildroot.net/results/5b4eee1d9b119c9f923f9518618f45a6482ddc85/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Romain Naour <romain.naour@smile.fr>
This commit is contained in:
Thomas Petazzoni
2024-07-13 14:09:26 +02:00
committed by Romain Naour
parent 538a99a33a
commit 41f2567618
1 changed files with 4 additions and 0 deletions
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4
package/gcc/Config.in.host
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@@ -103,6 +103,10 @@ config BR2_TOOLCHAIN_BUILDROOT_FORTRAN
# on architecture building libquadmath, wchar is required
depends on !BR2_TOOLCHAIN_HAS_LIBQUADMATH || \
(BR2_TOOLCHAIN_HAS_LIBQUADMATH && BR2_USE_WCHAR)
# internal compiler error: in gen_reg_rtx, at emit-rtl.cc:1167
# fixed in gcc 14.x, so disable gcc 12.x/13.x
depends on !(BR2_microblaze && \
(BR2_GCC_VERSION_12_X || BR2_GCC_VERSION_13_X))
select BR2_TOOLCHAIN_HAS_FORTRAN
help
Enable this option if you want your toolchain to support the