Re: Bug#1109861: thunderbird: Please build with gcc and g++ on ppc64
Hello,
On Fri, 2025-07-25 at 10:11 +0200, John Paul Adrian Glaubitz wrote:
> on ppc64, Thunderbird currently fails to build from source [1] due to an
> upstream bug in the PowerPC backend in LLVM [2].
>
> Could you override CC and CXX so Thunderbird is built with GCC instead of
> Clang for the time being?
Attaching an updating patch. We actually need to export CC and CXX so all parts
of the build make use of gcc and g++. This requires an additional patch which
fixes an old keyword in moz.build for skia (see attached).
Adrian
--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer
`. `' Physicist
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
--- debian/rules.orig 2025-07-25 01:09:59.688831332 -0700
+++ debian/rules 2025-07-25 02:31:52.730623151 -0700
@@ -46,6 +46,11 @@
CFLAGS += -DSQLITE_BYTEORDER=1234
endif
+ifneq (,$(filter ppc64,$(DEB_HOST_ARCH)))
+ export CC := gcc
+ export CXX := g++
+endif
+
# Reduce memory usage of the linker at the expense of processing time
# This should help on lower-end architectures like arm and mips, which
# spend an immense amount of time swapping.
--- thunderbird-128.12.0esr.orig/gfx/skia/moz.build
+++ thunderbird-128.12.0esr/gfx/skia/moz.build
@@ -371,7 +371,7 @@ UNIFIED_SOURCES += [
]
# Work around https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110606
-if CONFIG['CC_TYPE'] == 'gcc' and CONFIG['CPU_ARCH'] == 'ppc64':
+if CONFIG['CC_TYPE'] == 'gcc' and CONFIG['TARGET_CPU'] == 'ppc64':
SOURCES += ['skia/src/sksl/SkSLInliner.cpp']
else:
UNIFIED_SOURCES += ['skia/src/sksl/SkSLInliner.cpp']
Reply to: