[Qemu-devel] [PATCH] Add options to disable build with debug symbols and override optimization flags.

[Brad]

Add --disable-debug-symbols to disable building with debug
symbols and --optflags to override the optimization flags
passed to the compiler.

---
 configure |   18 +++++++++++++++---
 1 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/configure b/configure
index c3044c7..c7948b6 100755
--- a/configure
+++ b/configure
@@ -77,6 +77,7 @@ path_of() {
 # default parameters
 source_path=`dirname "$0"`
 cpu=""
+optflags="-O2"
 interp_prefix="/usr/gnemul/qemu-%M"
 static="no"
 sparc_cpu=""
@@ -136,6 +137,7 @@ kvm="no"
 gprof="no"
 debug_tcg="no"
 debug_mon="no"
+debug_symbols="yes"
 debug="no"
 strip_opt="yes"
 bigendian="no"
@@ -232,13 +234,11 @@ sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
 
 # default flags for all hosts
 QEMU_CFLAGS="-fno-strict-aliasing $QEMU_CFLAGS"
-CFLAGS="-g $CFLAGS"
 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE 
$QEMU_CFLAGS"
 QEMU_CFLAGS="-D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
 QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/fpu"
-LDFLAGS="-g $LDFLAGS"
 
 # make source path absolute
 source_path=`cd "$source_path"; pwd`
@@ -518,6 +518,8 @@ for opt do
   ;;
   --cc=*)
   ;;
+  --optflags=*) optflags="$optarg"
+  ;;
   --host-cc=*) host_cc="$optarg"
   ;;
   --make=*) make="$optarg"
@@ -588,6 +590,10 @@ for opt do
   ;;
   --disable-debug-mon) debug_mon="no"
   ;;
+  --enable-debug-symbols) debug_symbols="yes"
+  ;;
+  --disable-debug-symbols) debug_symbols="no"
+  ;;
   --enable-debug)
       # Enable debugging options that aren't excessively noisy
       debug_tcg="yes"
@@ -937,6 +943,7 @@ echo "  --cross-prefix=PREFIX    use PREFIX for compile 
tools [$cross_prefix]"
 echo "  --cc=CC                  use C compiler CC [$cc]"
 echo "  --host-cc=CC             use C compiler CC [$host_cc] for code run at"
 echo "                           build time"
+echo "  --optflags=FLAGS         override optimization compiler flags 
[$optflags]"
 echo "  --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS"
 echo "  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS"
 echo "  --make=MAKE              use specified make [$make]"
@@ -2569,8 +2576,13 @@ fi
 # End of CC checks
 # After here, no more $cc or $ld runs
 
+if test "$debug_symbols" = "yes" ; then
+  CFLAGS="-g $CFLAGS"
+  LDFLAGS="-g $LDFLAGS"
+fi
+
 if test "$debug" = "no" ; then
-  CFLAGS="-O2 $CFLAGS"
+  CFLAGS="$optflags $CFLAGS"
 fi
 
 # Consult white-list to determine whether to enable werror
-- 
1.7.6