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MIPS: Use an autoconf template to produce `preconfigure'

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Avoid fiddling with autoconf internals and use AC_DEFINE_UNQUOTED to
define macros in the configuration headers rather than handcoding an
equivalent shell sequence with the use of the `as_echo' undocumented
variable.

Similarly use AC_MSG_ERROR for error handling rather than the internal
undocumented `as_fn_error' variable.  Switch to using 1 as the exit code
as it makes no sense to refer $? in the contexts involved, it's not a
command failure handled there.
This commit is contained in:
Maciej W. Rozycki 2022-05-13 17:07:23 +01:00
parent fe7dd93db3
commit 353a1220e3
2 changed files with 39 additions and 2 deletions
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7
sysdeps/mips/preconfigure
View File

@ -1,3 +1,6 @@
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local preconfigure fragment for sysdeps/mips
case "$machine" in
mips*)
abiflag=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define _MIPS_SIM \(.*\)/\1/p'`
@ -15,7 +18,7 @@ mips*)
elif test "$abiflag" = "_ABI64" ; then
machine=mips/mips64/n64
else
as_fn_error $? "Unable to determine ABI." "$LINENO" 5
as_fn_error 1 "Unable to determine ABI." "$LINENO" 5
fi
# $config_machine is not really needed here but the slash after
# $machine is needed by the case statement in
@ -23,7 +26,7 @@ mips*)
machine=$machine/$config_machine
if test "$abiflag" != "_ABIO32" -a "$mips16flag" = "1"; then
as_fn_error $? "MIPS16 is only supported with the o32 ABI." "$LINENO" 5
as_fn_error 1 "MIPS16 is only supported with the o32 ABI." "$LINENO" 5
fi
with_fp_cond="defined __mips_hard_float"

34
sysdeps/mips/preconfigure.ac Normal file
View File

@ -0,0 +1,34 @@
GLIBC_PROVIDES[]dnl See aclocal.m4 in the top level source directory.
# Local preconfigure fragment for sysdeps/mips
case "$machine" in
mips*)
abiflag=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define _MIPS_SIM \(.*\)/\1/p'`
mips16flag=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __mips16 \(.*\)/\1/p'`
base_machine=mips
if test "$abiflag" = "_ABIO32" ; then
if test "$mips16flag" = "1" ; then
machine=mips/mips32/mips16
else
machine=mips/mips32
fi
elif test "$abiflag" = "_ABIN32" ; then
machine=mips/mips64/n32
elif test "$abiflag" = "_ABI64" ; then
machine=mips/mips64/n64
else
AC_MSG_ERROR([Unable to determine ABI.], [1])
fi
# $config_machine is not really needed here but the slash after
# $machine is needed by the case statement in
# sysdeps/unix/sysv/linux/mips/configure.ac.
machine=$machine/$config_machine
if test "$abiflag" != "_ABIO32" -a "$mips16flag" = "1"; then
AC_MSG_ERROR([MIPS16 is only supported with the o32 ABI.], [1])
fi
with_fp_cond="defined __mips_hard_float"
;;
esac