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sync config/* from binutils

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* elf.m4: Revert 2016-06-21 change.
	* picflag.m4: Likewise.  Revert 2016-04-30 change too.
	* override.m4 (AC_PROG_LEX): Import 2016-01-18 binutils fix
	for PR binutils/19481.

From-SVN: r243417
This commit is contained in:
Alan Modra 2016-12-08 09:46:03 +10:30 committed by Alan Modra
parent 352f824f09
commit 18697a1de7
4 changed files with 26 additions and 2 deletions
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7
config/ChangeLog
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@ -1,3 +1,10 @@
2016-12-08 Alan Modra <amodra@gmail.com>
* elf.m4: Revert 2016-06-21 change.
* picflag.m4: Likewise. Revert 2016-04-30 change too.
* override.m4 (AC_PROG_LEX): Import 2016-01-18 binutils fix
for PR binutils/19481.
2016-12-02 Maxim Ostapenko <m.ostapenko@samsung.com>
* bootstrap-asan.mk: Replace LSAN_OPTIONS=detect_leaks=0 with

2
config/elf.m4
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@ -17,7 +17,7 @@ target_elf=no
case $target in
*-darwin* | *-aix* | *-cygwin* | *-mingw* | *-aout* | *-*coff* | \
*-msdosdjgpp* | *-vms* | *-wince* | *-*-pe* | \
alpha*-dec-osf* | hppa[[12]]*-*-hpux* | \
alpha*-dec-osf* | *-interix* | hppa[[12]]*-*-hpux* | \
nvptx-*-none)
target_elf=no
;;

12
config/override.m4
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@ -101,4 +101,16 @@ m4_define([_AC_CHECK_DECLS],
])
dnl If flex/lex are not found, the top level configure sets LEX to
dnl "/path_to/missing flex". When AC_PROG_LEX tries to find the flex
dnl output file, it calls $LEX to do so, but the current lightweight
dnl "missing" won't create a file. This results in an error.
dnl Avoid calling the bulk of AC_PROG_LEX when $LEX is "missing".
AC_DEFUN_ONCE([AC_PROG_LEX],
[AC_CHECK_PROGS(LEX, flex lex, :)
case "$LEX" in
:|*"missing "*) ;;
*) _AC_PROG_LEX_YYTEXT_DECL ;;
esac])
])

7
config/picflag.m4
View File

@ -27,6 +27,10 @@ case "${$2}" in
;;
i[[34567]]86-*-mingw* | x86_64-*-mingw*)
;;
i[[34567]]86-*-interix[[3-9]]*)
# Interix 3.x gcc -fpic/-fPIC options generate broken code.
# Instead, we relocate shared libraries at runtime.
;;
i[[34567]]86-*-nto-qnx*)
# QNX uses GNU C++, but need to define -shared option too, otherwise
# it will coredump.
@ -57,7 +61,8 @@ case "${$2}" in
$1=-fpic
;;
# FIXME: Simplify to sh*-*-netbsd*?
sh-*-netbsdelf* | shl*-*-netbsdelf*)
sh-*-netbsdelf* | shl*-*-netbsdelf* | sh5-*-netbsd* | sh5l*-*-netbsd* | \
sh64-*-netbsd* | sh64l*-*-netbsd*)
$1=-fpic
;;
# Default to -fPIC unless specified otherwise.