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authorSergei Trofimovich <slyfox@gentoo.org>2019-11-28 00:13:27 +0000
committerSergei Trofimovich <slyfox@gentoo.org>2019-11-28 00:16:16 +0000
commitee2c3dee59595741c93f694357308368f4dfea19 (patch)
treeebe187583aaf20a18626f16ab89dffdaf373a062 /dev-libs/libffi/files
parentmedia-libs/mesa: Version bump to 19.3.0_rc5 (diff)
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dev-libs/libffi: fix build on ppc32
Reported-by: qmpcggv2ei0p@opayq.com Closes: https://bugs.gentoo.org/701128 Package-Manager: Portage-2.3.79, Repoman-2.3.18 Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Diffstat (limited to 'dev-libs/libffi/files')
-rw-r--r--dev-libs/libffi/files/libffi-3.3-power7.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/dev-libs/libffi/files/libffi-3.3-power7.patch b/dev-libs/libffi/files/libffi-3.3-power7.patch
new file mode 100644
index 000000000000..83f518f4c2e3
--- /dev/null
+++ b/dev-libs/libffi/files/libffi-3.3-power7.patch
@@ -0,0 +1,39 @@
+https://bugs.gentoo.org/701128
+
+From 2138adb2a5b6a0bc2fe3518e0645eacc89b6f392 Mon Sep 17 00:00:00 2001
+From: Sergei Trofimovich <slyfox@gentoo.org>
+Date: Thu, 28 Nov 2019 00:02:42 +0000
+Subject: [PATCH] powerpc: fix build failure on power7 and older
+
+Build failure looks as:
+```
+libtool: compile: powerpc-unknown-linux-gnu-gcc \
+ -O2 -mcpu=powerpc -mtune=powerpc -pipe ... -c src/powerpc/ffi.c ...
+In file included from src/powerpc/ffi.c:33:
+src/powerpc/ffi_powerpc.h:65:9: error: '__int128' is not supported on this target
+ 65 | typedef __int128 float128;
+ | ^~~~~~~~
+```
+
+The fix avoids using __int128 in favour of aligned char[16].
+
+Closes: https://github.com/libffi/libffi/issues/531
+Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
+---
+ src/powerpc/ffi_powerpc.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/src/powerpc/ffi_powerpc.h
++++ b/src/powerpc/ffi_powerpc.h
+@@ -62,7 +62,7 @@ typedef _Float128 float128;
+ #elif defined(__FLOAT128__)
+ typedef __float128 float128;
+ #else
+-typedef __int128 float128;
++typedef char float128[16] __attribute__((aligned(16)));
+ #endif
+
+ void FFI_HIDDEN ffi_closure_SYSV (void);
+--
+2.24.0
+