diff options
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/aclocal.m4 b/aclocal.m4 index d874d41730..32e55cd6ac 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -572,6 +572,7 @@ AC_DEFUN([FP_SET_CFLAGS_C99], # $5 is the name of the CPP flags variable AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS], [ + FIND_LD([$1],[UseLd]) AC_MSG_CHECKING([Setting up $2, $3, $4 and $5]) case $$1 in i386-*) @@ -610,18 +611,14 @@ AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS], ;; arm*linux*) # On arm/linux and arm/android, tell gcc to generate Arm - # instructions (ie not Thumb) and to link using the gold linker. - # Forcing LD to be ld.gold is done in FIND_LD m4 macro. + # instructions (ie not Thumb). $2="$$2 -marm" - $3="$$3 -fuse-ld=gold -Wl,-z,noexecstack" + $3="$$3 -Wl,-z,noexecstack" $4="$$4 -z noexecstack" ;; aarch64*linux*) - # On aarch64/linux and aarch64/android, tell gcc to link using the - # gold linker. - # Forcing LD to be ld.gold is done in FIND_LD m4 macro. - $3="$$3 -fuse-ld=gold -Wl,-z,noexecstack" + $3="$$3 -Wl,-z,noexecstack" $4="$$4 -z noexecstack" ;; @@ -642,6 +639,15 @@ AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS], esac + case $UseLd in + *ld.gold) + $3="$$3 -fuse-ld=gold" + ;; + *ld.bfd) + $3="$$3 -fuse-ld=bfd" + ;; + esac + # If gcc knows about the stack protector, turn it off. # Otherwise the stack-smash handler gets triggered. echo 'int main(void) {return 0;}' > conftest.c @@ -1991,11 +1997,12 @@ AC_DEFUN([FIND_LLVM_PROG],[ # Find the version of `ld` to use. This is used in both in the top level # configure.ac and in distrib/configure.ac.in. # -# $1 = the variable to set +# $1 = the platform +# $2 = the variable to set # AC_DEFUN([FIND_LD],[ AC_CHECK_TARGET_TOOL([LD], [ld]) - case $target in + case $1 in arm*linux* | \ aarch64*linux* ) # Arm and Aarch64 requires use of the binutils ld.gold linker. @@ -2003,10 +2010,18 @@ AC_DEFUN([FIND_LD],[ # arm-linux-androideabi, arm64-unknown-linux and # aarch64-linux-android AC_CHECK_TARGET_TOOL([LD_GOLD], [ld.gold]) - $1="$LD_GOLD" + if test "$LD_GOLD" != ""; then + $2="$LD_GOLD" + elif test `$LD --version | grep -c "GNU gold"` -gt 0; then + AC_MSG_NOTICE([ld is ld.gold]) + $2="$LD" + else + AC_MSG_WARN([could not find ld.gold, falling back to $LD]) + $2="$LD" + fi ;; *) - $1="$LD" + $2="$LD" ;; esac ]) |