1. Disable detection of ftgl. (no --disable-ftgl option.)

2. Remove bash-ism =~

3. Remove hardcoded -g -O2

4. Disable detection of pangoft2.

Index: configure
--- configure.orig
+++ configure
@@ -19339,8 +19339,7 @@ if test -n "$FTGL_CFLAGS"; then
   ac_status=$?
   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_FTGL_CFLAGS=`$PKG_CONFIG --cflags "ftgl >= 2.1.3" 2>/dev/null`
-		      test "x$?" != "x0" && pkg_failed=yes
+  pkg_failed=untried
 else
   pkg_failed=yes
 fi
@@ -19356,8 +19355,7 @@ if test -n "$FTGL_LIBS"; then
   ac_status=$?
   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_FTGL_LIBS=`$PKG_CONFIG --libs "ftgl >= 2.1.3" 2>/dev/null`
-		      test "x$?" != "x0" && pkg_failed=yes
+  pkg_failed=untried
 else
   pkg_failed=yes
 fi
@@ -19422,7 +19420,7 @@ fi
 done
   CFLAGS="$save_CFLAGS"
   if test "${ac_cv_my_have_cocoa}" = "yes"; then
-    [[ "$target_os" =~ [0-9]+ ]] && darwin_ver="${BASH_REMATCH[0]}"
+    [[ "$target_os" = [0-9]+ ]] && darwin_ver="${BASH_REMATCH[0]}"
     case x${target} in
     xpowerpc*darwin*)
       # 10.3 needed to link with X11
@@ -19671,7 +19669,7 @@ fi
 
 
 # Optimizations
-CFLAGS="${CFLAGS} -g -O2 -fno-strength-reduce -fomit-frame-pointer"
+CFLAGS="${CFLAGS} -fno-strength-reduce -fomit-frame-pointer"
 # Code qui fait des warnings == code de porc == deux baffes dans ta gueule
 CFLAGS="${CFLAGS} -Wall -Wpointer-arith -Wcast-align -Wcast-qual -Wstrict-prototypes -Wshadow -Waggregate-return -Wmissing-prototypes -Wnested-externs -Wsign-compare"
 CXXFLAGS="${CXXFLAGS} -Wall -Wpointer-arith -Wcast-align -Wcast-qual -Wshadow -Wsign-compare"
@@ -20696,7 +20694,7 @@ fi
 
 # Build development tools?
 
-pkg_failed=no
+pkg_failed=yes
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pangoft2" >&5
 printf %s "checking for pangoft2... " >&6; }