* lib/target-supports.exp (get_compiler_messages): Support

	optional arguments, the fourth being compiler options.
	(check_effective_target_fpic): New proc.
	* gcc.dg/20050321-2.c: Restrict to target fpic.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97763 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 2b354af..99cd166 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2005-04-07  Hans-Peter Nilsson  <hp@axis.com>
+
+       * lib/target-supports.exp (get_compiler_messages): Support
+       optional arguments, the fourth being compiler options.
+       (check_effective_target_fpic): New proc.
+       * gcc.dg/20050321-2.c: Restrict to target fpic.
+

 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
 
        * gcc.dg/15443-1.c: New test.
 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
 
        * gcc.dg/15443-1.c: New test.

diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 5cd503a..c3f8110 100644 (file)
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -24,9 +24,17 @@
 # BASENAME is a basename to use for temporary files.
 # TYPE is the type of compilation to perform (see target_compile).
 # CONTENTS gives the contents of the input file.
 # BASENAME is a basename to use for temporary files.
 # TYPE is the type of compilation to perform (see target_compile).
 # CONTENTS gives the contents of the input file.

-proc get_compiler_messages {basename type contents} {
+# The rest is optional:
+# OPTIONS: additional compiler options to use.
+proc get_compiler_messages {basename type contents args} {

     global tool
 
     global tool
 

+    if { [llength $args] > 0 } {
+       set options "additional_flags=[lindex $args 0]"
+    } else {
+       set options ""
+    }
+

     set src ${basename}[pid].c
     switch $type {
        assembly { set output ${basename}[pid].s }
     set src ${basename}[pid].c
     switch $type {
        assembly { set output ${basename}[pid].s }


@@ -35,7 +43,7 @@ proc get_compiler_messages {basename type contents} {
     set f [open $src "w"]
     puts $f $contents
     close $f
     set f [open $src "w"]
     puts $f $contents
     close $f

-    set lines [${tool}_target_compile $src $output $type ""]
+    set lines [${tool}_target_compile $src $output $type "$options"]

     file delete $src
     remote_file build delete $output
 
     file delete $src
     remote_file build delete $output
 


@@ -295,6 +303,55 @@ proc check_profiling_available { test_what } {
     return $profiling_available_saved
 }
 
     return $profiling_available_saved
 }
 

+# Return 1 if -fpic and -fPIC are supported, as in no warnings or errors
+# emitted, 0 otherwise.  Whether a shared library can actually be built is
+# out of scope for this test.
+#
+# When the target name changes, replace the cached result.
+
+proc check_effective_target_fpic { } {
+    global et_fpic_saved
+    global et_fpic_target_name
+
+    if { ![info exists et_fpic_target_name] } {
+       set et_fpic_target_name ""
+    }
+
+    # If the target has changed since we set the cached value, clear it.
+    set current_target [current_target_name]
+    if { $current_target != $et_fpic_target_name } {
+       verbose "check_effective_target_fpic: `$et_fpic_target_name'" 2
+       set et_fpic_target_name $current_target
+       if [info exists et_fpic_saved] {
+           verbose "check_effective_target_fpic: removing cached result" 2
+           unset et_fpic_saved
+       }
+    }
+
+    if [info exists et_fpic_saved] {
+       verbose "check_effective_target_fpic: using cached result" 2
+    } else {
+       verbose "check_effective_target_fpic: compiling source" 2
+
+       # Note that M68K has a multilib that supports -fpic but not
+       # -fPIC, so we need to check both.  We test with a program that
+       # requires GOT references.
+       set et_fpic_saved [string match "" [get_compiler_messages fpic object {
+           extern int foo (void); extern int bar;
+           int baz (void) { return foo () + bar; }
+       } "-fpic"]]
+
+       if { $et_fpic_saved != 0 } {
+           set et_fpic_saved [string match "" [get_compiler_messages fpic object {
+               extern int foo (void); extern int bar;
+               int baz (void) { return foo () + bar; }
+           } "-fPIC"]]
+       }
+    }
+    verbose "check_effective_target_fpic: returning $et_fpic_saved" 2
+    return $et_fpic_saved
+}
+

 # Return true if iconv is supported on the target. In particular IBM1047.
 
 proc check_iconv_available { test_what } {
 # Return true if iconv is supported on the target. In particular IBM1047.
 
 proc check_iconv_available { test_what } {