Avoid testsuite errors when no cross compiler is available.

ld/testsuite/ChangeLog:

	* ld-plugin/plugin.exp: Don't error out if there is no target compiler
	available, make tests UNSUPPORTED instead.

diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 654446c..4b03104 100644 (file)
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2010-10-15  Dave Korn  <dave.korn.cygwin@gmail.com>
+
+       * ld-plugin/plugin.exp: Don't error out if there is no target compiler
+       available, make tests UNSUPPORTED instead.
+
 2010-10-14  Dave Korn  <dave.korn.cygwin@gmail.com> 
 
        Apply LD plugin patch series (part 6/6).

diff --git a/ld/testsuite/ld-plugin/plugin.exp b/ld/testsuite/ld-plugin/plugin.exp
index 796cb0e..416159a 100644 (file)
--- a/ld/testsuite/ld-plugin/plugin.exp
+++ b/ld/testsuite/ld-plugin/plugin.exp
@@ -24,6 +24,13 @@ if ![check_plugin_api_available] {
     return
 }
 
+# And a compiler to be available.
+set can_compile 1
+if { [which $CC] == 0 } {
+  # Don't fail immediately, 
+  set can_compile 0
+}
+
 pass "plugin API enabled"
 
 global base_dir
@@ -62,12 +69,15 @@ set regcln "-plugin-opt registercleanup"
 set failed_compile 0
 set _ ""
 set plugin_nm_output ""
-if { ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main.c tmpdir/main.o]
-       || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/func.c tmpdir/func.o]
-       || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/text.c tmpdir/text.o] } {
+if { $can_compile && \
+       (![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main.c tmpdir/main.o] \
+       || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/func.c tmpdir/func.o] \
+       || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/text.c tmpdir/text.o]) } {
     # Defer fail until we have list of tests set.
     set failed_compile 1
-} else {
+}
+
+if { $can_compile && !$failed_compile } {
     # Find out if symbols have prefix on this platform before setting tests.
     catch "exec $NM tmpdir/func.o" plugin_nm_output
     if { [regexp "_func" "$plugin_nm_output"] } {
@@ -142,7 +152,7 @@ set plugin_extra_elf_tests [list \
                                {readelf -s plugin-vis-1.d}} "main.x" ] \
 ]
 
-if { $failed_compile != 0 } {
+if { !$can_compile || $failed_compile } {
     foreach testitem $plugin_tests {
        unresolved [lindex $testitem 0]
     }