File gtkevemon-cx11-standard.patch of Package gtkevemon

diff -Pdur gtkevemon-1.10/src/Makefile gtkevemon-1.10b/src/Makefile
--- gtkevemon-1.10/src/Makefile	2015-06-07 15:19:13.847443191 -0500
+++ gtkevemon-1.10b/src/Makefile	2025-04-01 11:07:06.624297640 -0500
@@ -9,7 +9,7 @@
 #include Makefile.$(PLATFORM)
 
 # Compiler options, flags, and libraries
-GCC_FLAGS = -Wall -Wextra -ansi -Wundef -Wconversion -pedantic -Os
+GCC_FLAGS = -Wall -Wextra -ansi -Wundef -Wconversion -pedantic -Os -std=c++11
 ifdef DEBUG
     GCC_FLAGS := $(filter-out -Os,$(GCC_FLAGS))
     GCC_FLAGS += -g -O0