testsuite: Detect clang Clang doesn't like the -Wno-psabi argument that we want to pass to GCC. Since clang is detected as GCC via __GNUC__, use ax_cv_c_compiler_vendor.
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diff --git a/testsuite/lib/libffi.exp b/testsuite/lib/libffi.exp
index 5051d31..0e92bb0 100644
--- a/testsuite/lib/libffi.exp
+++ b/testsuite/lib/libffi.exp
@@ -100,46 +100,39 @@ proc libffi-init { args } {
global libffi_link_flags
global tool_root_dir
global ld_library_path
-
- global using_gcc
+ global compiler_vendor
set blddirffi [pwd]/..
verbose "libffi $blddirffi"
- # Are we building with GCC?
- set tmp [grep ../config.status "GCC='yes'"]
- if { [string match $tmp "GCC='yes'"] } {
-
- set using_gcc "yes"
+ # Which compiler are we building with?
+ set tmp [grep ../config.log "^ax_cv_c_compiler_vendor.*$"]
+ regexp -- {^[^=]*=(.*)$} $tmp nil compiler_vendor
- set gccdir [lookfor_file $tool_root_dir gcc/libgcc.a]
- if {$gccdir != ""} {
- set gccdir [file dirname $gccdir]
- }
- verbose "gccdir $gccdir"
-
- set ld_library_path "."
- append ld_library_path ":${gccdir}"
-
- set compiler "${gccdir}/xgcc"
- if { [is_remote host] == 0 && [which $compiler] != 0 } {
- foreach i "[exec $compiler --print-multi-lib]" {
- set mldir ""
- regexp -- "\[a-z0-9=_/\.-\]*;" $i mldir
- set mldir [string trimright $mldir "\;@"]
- if { "$mldir" == "." } {
- continue
- }
- if { [llength [glob -nocomplain ${gccdir}/${mldir}/libgcc_s*.so.*]] >= 1 } {
- append ld_library_path ":${gccdir}/${mldir}"
+ if { [string match $compiler_vendor "gnu"] } {
+ set gccdir [lookfor_file $tool_root_dir gcc/libgcc.a]
+ if {$gccdir != ""} {
+ set gccdir [file dirname $gccdir]
+ }
+ verbose "gccdir $gccdir"
+
+ set ld_library_path "."
+ append ld_library_path ":${gccdir}"
+
+ set compiler "${gccdir}/xgcc"
+ if { [is_remote host] == 0 && [which $compiler] != 0 } {
+ foreach i "[exec $compiler --print-multi-lib]" {
+ set mldir ""
+ regexp -- "\[a-z0-9=_/\.-\]*;" $i mldir
+ set mldir [string trimright $mldir "\;@"]
+ if { "$mldir" == "." } {
+ continue
+ }
+ if { [llength [glob -nocomplain ${gccdir}/${mldir}/libgcc_s*.so.*]] >= 1 } {
+ append ld_library_path ":${gccdir}/${mldir}"
+ }
}
- }
- }
-
- } else {
-
- set using_gcc "no"
-
+ }
}
# add the library path for libffi.
@@ -278,18 +271,25 @@ proc libffi-dg-runtest { testcases default-extra-flags } {
}
proc run-many-tests { testcases extra_flags } {
- global using_gcc
- if { [string match $using_gcc "yes"] } {
+ global compiler_vendor
+ switch $compiler_vendor {
+ "clang" {
+ set common "-W -Wall"
+ set optimizations { "-O0" "-O1" "-O2" "-O3" "-Os" }
+ }
+ "gnu" {
set common "-W -Wall -Wno-psabi"
set optimizations { "-O0" "-O2" "-O3" "-Os" "-O2 -fomit-frame-pointer" }
- } else {
+ }
+ default {
# Assume we are using the vendor compiler.
set common ""
set optimizations { "" }
+ }
}
set targetabis { "" }
- if [string match $using_gcc "yes"] {
+ if [string match $compiler_vendor "gnu"] {
if [istarget "i?86-*-*"] {
set targetabis {
""