[Buildroot] [git commit] package/glibc: disable on RISC-V ilp32f and lp64f, not supported

[Julien Olivain]

commit: https://git.buildroot.net/buildroot/commit/?id=8292b8fb89ba71d2b35d4596327b022741f18be4
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

glibc fails to build on RISC-V 32-bit with the ilp32f ABI and on
RISC-V 64-bit with the lp64f: both use single-point precision floating
point, which glibc doesn't support, failing during the configure step
with:

  configure: error: glibc does not yet support the single floating-point ABI

Fix that by disabling glibc support on those configurations.

Fixes:

  https://autobuild.buildroot.org/results/fe8d569cab507992978ef0da649278dd3a9e0b23/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
Signed-off-by: Julien Olivain <ju.o at free.fr>
---
 package/glibc/Config.in | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/package/glibc/Config.in b/package/glibc/Config.in
index d464b3def8..52752e975e 100644
--- a/package/glibc/Config.in
+++ b/package/glibc/Config.in
@@ -22,7 +22,9 @@ config BR2_PACKAGE_GLIBC_ARCH_SUPPORTS
 	default y if BR2_microblaze
 	default y if BR2_arc && BR2_ARC_ATOMIC_EXT && !BR2_arc750d && !BR2_arc770d
 	depends on !BR2_POWERPC_CPU_HAS_SPE
-	depends on BR2_RISCV_ISA_RVA || !BR2_riscv
+	# glibc needs atomic instructions, and does not support
+	# single-precision floating point ABIs (ilp32f and lp64f)
+	depends on (BR2_RISCV_ISA_RVA && !BR2_RISCV_ABI_ILP32F && !BR2_RISCV_ABI_LP64F) || !BR2_riscv
 	depends on BR2_USE_MMU
 
 config BR2_PACKAGE_GLIBC_SUPPORTS