Update Makefile

Author: danmar

.github/workflows/scriptcheck.yml

@@ -170,5 +170,5 @@ jobs:
       - name: dmake
         if: matrix.python-version == '3.11'
         run: |
-          make -j$(nproc) run-dmake
+          make dmake && ./dmake --release
           git diff --exit-code

Makefile

@@ -137,7 +137,7 @@ ifeq (clang++, $(findstring clang++,$(CXX)))
     CPPCHK_GLIBCXX_DEBUG=
 endif
 ifndef CXXFLAGS
-    CXXFLAGS=-pedantic -Wall -Wextra -Wcast-qual -Wno-deprecated-declarations -Wfloat-equal -Wmissing-declarations -Wmissing-format-attribute -Wno-long-long -Wpacked -Wredundant-decls -Wundef -Wno-shadow -Wno-missing-field-initializers -Wno-missing-braces -Wno-sign-compare -Wno-multichar $(CPPCHK_GLIBCXX_DEBUG) -g
+    CXXFLAGS=-std=c++0x -O2 -DNDEBUG -Wall -Wno-sign-compare
 endif
 
 ifeq (g++, $(findstring g++,$(CXX)))