Remove is_zlib_supported

Since zlib is always supported, there is no need for is_zlib_supported.

binutils/testsuite/

	* binutils-all/compress.exp: Remove is_zlib_supported check.
	* binutils-all/objdump.exp: Likewise.
	* binutils-all/readelf.exp (readelf_compressed_wa_test): Likewise.
	* lib/utils-lib.exp (run_dump_test): Likewise.
	* lib/binutils-common.exp (is_zlib_supported): Removed.

gas/testsuite/

	* lib/gas-defs.exp (run_dump_test): Remove is_zlib_supported check.

ld/testsuite/

	* ld-elf/compress.exp: Remove is_zlib_supported check.
	Fail if --compress-debug-sections doesn't work.
	* lib/ld-lib.exp (run_dump_test): Remove is_zlib_supported check.

6 files changed, 10 insertions, 18 deletions

diff --git a/binutils/testsuite/ChangeLog b/binutils/testsuite/ChangeLog
index 65a22d8..ece81a6 100644
--- a/binutils/testsuite/ChangeLog
+++ b/binutils/testsuite/ChangeLog
@@ -1,5 +1,13 @@
 2015-04-06  H.J. Lu  <hongjiu.lu@intel.com>
 
+	* binutils-all/compress.exp: Remove is_zlib_supported check.
+	* binutils-all/objdump.exp: Likewise.
+	* binutils-all/readelf.exp (readelf_compressed_wa_test): Likewise.
+	* lib/utils-lib.exp (run_dump_test): Likewise.
+	* lib/binutils-common.exp (is_zlib_supported): Removed.
+
+2015-04-06  H.J. Lu  <hongjiu.lu@intel.com>
+
 	* binutils-all/compress.exp (compression_used): Remove "/dev/null"
 	from remote_exec.
 
diff --git a/binutils/testsuite/binutils-all/compress.exp b/binutils/testsuite/binutils-all/compress.exp
index b4a9468..36b2a26 100644
--- a/binutils/testsuite/binutils-all/compress.exp
+++ b/binutils/testsuite/binutils-all/compress.exp
@@ -16,7 +16,7 @@
 
 # Test compressed .debug section.
 
-if { [is_remote host] || ![is_elf_format] || ![is_zlib_supported] } then {
+if { [is_remote host] || ![is_elf_format] } then {
     return
 }
 
diff --git a/binutils/testsuite/binutils-all/objdump.exp b/binutils/testsuite/binutils-all/objdump.exp
index 6b7d332..6d5e76f 100644
--- a/binutils/testsuite/binutils-all/objdump.exp
+++ b/binutils/testsuite/binutils-all/objdump.exp
@@ -158,7 +158,7 @@ if [regexp $want $got] then {
 
 # Test objdump -s on a file that contains a compressed .debug section
 
-if { ![is_elf_format] || ![is_zlib_supported] } then {
+if { ![is_elf_format] } then {
     unsupported "objdump compressed debug"
 } elseif { ![binutils_assemble $srcdir/$subdir/dw2-compressed.S tmpdir/dw2-compressed.o] } then {
     fail "objdump compressed debug"
diff --git a/binutils/testsuite/binutils-all/readelf.exp b/binutils/testsuite/binutils-all/readelf.exp
index 1d0ea3b..3c6472b 100644
--- a/binutils/testsuite/binutils-all/readelf.exp
+++ b/binutils/testsuite/binutils-all/readelf.exp
@@ -224,11 +224,6 @@ proc readelf_compressed_wa_test {} {
     global srcdir
     global subdir
 
-    if { ![is_zlib_supported] } {
-	unsupported "readelf -wa (compressed)"
-	return
-    }
-
     # Compile the compressed-debug-section test file.
     if { [target_compile $srcdir/$subdir/dw2-compressed.S tmpdir/dw2-compressed.o object debug] != "" } {
 	verbose "Unable to compile test file."
diff --git a/binutils/testsuite/lib/binutils-common.exp b/binutils/testsuite/lib/binutils-common.exp
index e989da4..5dadc42 100644
--- a/binutils/testsuite/lib/binutils-common.exp
+++ b/binutils/testsuite/lib/binutils-common.exp
@@ -152,11 +152,6 @@ proc is_elf64 { binary_file } {
     return 0
 }
 
-# True if the build supports zlib compression.
-proc is_zlib_supported {} {
-    return 1
-}
-
 # Compare two files line-by-line.  FILE_1 is the actual output and FILE_2
 # is the expected output.  Ignore blank lines in either file.
 #
diff --git a/binutils/testsuite/lib/utils-lib.exp b/binutils/testsuite/lib/utils-lib.exp
index 8dac718..b366b63 100644
--- a/binutils/testsuite/lib/utils-lib.exp
+++ b/binutils/testsuite/lib/utils-lib.exp
@@ -438,12 +438,6 @@ proc run_dump_test { name {extra_options {}} } {
 	}
     }
 
-    if { [string match "*--compress-debug-sections*" $opts(as)] \
-	 && ![is_zlib_supported] } {
-	unsupported $testname
-	return
-    }
-
     if { $opts(source) == "" } {
 	set srcfile ${file}.s
     } else {