mirror of
https://sourceware.org/git/glibc.git
synced 2024-09-21 09:00:10 +00:00
34d97d87bb
GCC marked OABI obsolete in 4.7 and dropped it in 4.8. So the number of people this is catching is shrinking every day. At this point, it's not terribly useful, so just drop it.
51 lines
1.5 KiB
Plaintext
51 lines
1.5 KiB
Plaintext
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
|
|
# Local preconfigure fragment for sysdeps/arm
|
|
|
|
case "$machine" in
|
|
arm*)
|
|
# If the compiler enables unwind tables by default, this causes
|
|
# problems with undefined symbols in -nostdlib link tests. To
|
|
# avoid this, add -fno-unwind-tables here and remove it in
|
|
# sysdeps/arm/configure.ac after those tests have been run.
|
|
if test "${CFLAGS+set}" != "set"; then
|
|
CFLAGS="-g -O2"
|
|
fi
|
|
CFLAGS="$CFLAGS -fno-unwind-tables"
|
|
|
|
base_machine=arm
|
|
# Lets ask the compiler which ARM family we've got
|
|
# Unfortunately it doesn't define any flags for implementations
|
|
# that you might pass to -mcpu or -mtune
|
|
# Note if you add patterns here you must ensure that
|
|
# an appropriate directory exists in sysdeps/arm
|
|
archcppflag=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null |
|
|
sed -n 's/^#define \(__ARM_ARCH_[0-9].*__\) .*$/\1/p'`
|
|
|
|
case "x$archcppflag" in
|
|
x__ARM_ARCH_[89]*__)
|
|
machine=armv7
|
|
AC_MSG_NOTICE([Found compiler is configured for something newer than v7 - using v7])
|
|
;;
|
|
|
|
x__ARM_ARCH_7A__)
|
|
machine=armv7
|
|
AC_MSG_NOTICE([Found compiler is configured for $machine])
|
|
;;
|
|
|
|
x__ARM_ARCH_6T2__)
|
|
machine=armv6t2
|
|
AC_MSG_NOTICE([Found compiler is configured for $machine])
|
|
;;
|
|
x__ARM_ARCH_6*__)
|
|
machine=armv6
|
|
AC_MSG_NOTICE([Found compiler is configured for $machine])
|
|
;;
|
|
*)
|
|
machine=arm
|
|
AC_MSG_WARN([arm/preconfigure: Did not find ARM architecture type; using default])
|
|
;;
|
|
esac
|
|
|
|
machine=arm/$machine
|
|
esac
|