File flabc-gccflags.patch of Package flabc

diff -up flabc-1.3.0/src/Makefile.orig flabc-1.3.0/src/Makefile
--- flabc-1.3.0/src/Makefile.orig	2025-02-06 15:12:40.000000000 +0100
+++ flabc-1.3.0/src/Makefile	2025-03-09 11:13:57.666544926 +0100
@@ -17,8 +17,8 @@ endif
 # settings for GNU C compiler
 CC = g++
 #CFLAGS = -Wall -g -fpermissive `fltk-config --cxxflags` $(ARCH)
-CFLAGS = -Wall -O2 -fpermissive `fltk-config --cxxflags` $(ARCH) $(OSXMINVERSION)
-LDFLAGS = `fltk-config --ldflags` -lstdc++ $(ARCH) $(OSXMINVERSION)
+# CFLAGS = -Wall -O2 -fpermissive `fltk-config --cxxflags` $(ARCH) $(OSXMINVERSION)
+LDFLAGS = `fltk-config --ldflags` -lstdc++ -lX11 -lXext $(ARCH)
 
 # installation directories
 # (adjust to your preferences)