* gdb.base/huge.c: Allow CRASH_GDB to be set from command

	line.
	* gdb.base/huge.exp: Loop over compilation to find a size that
	is acceptable.
	* gdb.base/remote.exp: Correct expected strings.
	* gdb.dwarf2/mac-fileno.S: Avoid # comments.

1 files changed, 7 insertions, 1 deletions

diff --git a/gdb/testsuite/gdb.base/huge.exp b/gdb/testsuite/gdb.base/huge.exp
index 733ddee..68354ec 100644
--- a/gdb/testsuite/gdb.base/huge.exp
+++ b/gdb/testsuite/gdb.base/huge.exp
@@ -36,7 +36,13 @@ if [target_info exists gdb,skip_huge_test] {
 set testfile "huge"
 set srcfile ${testfile}.c
 set binfile ${objdir}/${subdir}/${testfile}
-if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+
+for { set size [expr 2 * 1024 * 1024] } { $size > 10 } { set size [expr $size / 2] } {
+  if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
+	    executable [list debug "additional_flags=-DCRASH_GDB=$size"]] \
+      == "" } break
+}
+if { $size < 10 } {
      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
 }