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Bug 1195477 - part 2 - pass -no-integrated-as to libffi when building with clang; r=glandium

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The ARM assembly sources in libffi don't work well with clang's
integrated assembler, so disable the integrated assembler for libffi.
This commit is contained in:
Nathan Froyd 2016-06-28 23:48:49 -04:00
parent b86f050662
commit 08d7f5aaec
1 changed files with 7 additions and 0 deletions
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7
build/autoconf/ffi.m4
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@ -37,6 +37,12 @@ if test "$MOZ_BUILD_APP" != js -o -n "$JS_STANDALONE"; then
for var in AS CC CXX CPP LD AR RANLIB STRIP; do
ac_configure_args="$ac_configure_args $var='`eval echo \\${${var}}`'"
done
old_cflags="$CFLAGS"
# The libffi sources (especially the ARM ones) are written expecting gas
# syntax, and clang's integrated assembler doesn't handle all of gas syntax.
if test -n "$CLANG_CC" -a "$CPU_ARCH" = arm; then
CFLAGS="-no-integrated-as $CFLAGS"
fi
if test "$CROSS_COMPILE"; then
export CPPFLAGS CFLAGS LDFLAGS
fi
@ -77,6 +83,7 @@ if test "$MOZ_BUILD_APP" != js -o -n "$JS_STANDALONE"; then
AC_OUTPUT_SUBDIRS(js/src/ctypes/libffi)
ac_configure_args="$_SUBDIR_CONFIG_ARGS"
CONFIG_FILES=$old_config_files
CFLAGS="$old_cflags"
fi
fi