Commit ce6ff822 authored by Simon Marlow's avatar Simon Marlow

Fix detection of i386 vs. x86_64 for -pc-solaris

From #2951
parent 979fb4ab
......@@ -337,7 +337,17 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
# Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
# This test works for both compilers.
if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
if echo '\n#ifdef __amd64\nIS_64BIT_ARCH\n#endif' | \
# bash is not able to generate correct code here
# i.e. it leaves \ns there
# so we need to use /usr/bin/echo to get what we want
# note that if config.guess is run by /bin/sh then
# this works as expected even without /usr/bin/echo
# but the problem is that configure is clever enough
# to find bash installed and then runs config.guess
# by bash instead of by /bin/sh
# It seems that using /usr/bin/echo here is the most
# portable Solaris fix
if /usr/bin/echo '\n#ifdef __amd64\nIS_64BIT_ARCH\n#endif' | \
(CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
grep IS_64BIT_ARCH >/dev/null
then
......
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