$NetBSD: patch-Makefile,v 1.4 2023/05/20 14:42:11 bacon Exp $

# Portability

--- Makefile.orig	2021-08-04 00:21:51.000000000 +0000
+++ Makefile
@@ -418,12 +418,12 @@ endif
 ifeq ($(origin CXXFLAGS), undefined)
   ifeq ($(BUILDOPTIMIZED), 1)
   else
-    CXXFLAGS += -g3
+    CXXFLAGS += 
   endif
 
   ifeq ($(BUILDDEBUG), 1)
   else
-    CXXFLAGS += -O4 -funroll-loops -fexpensive-optimizations -finline-functions -fomit-frame-pointer
+    CXXFLAGS +=     -fomit-frame-pointer
   endif
 
   ifeq ($(BUILDJEMALLOC), 1)
@@ -497,27 +497,8 @@ endef
 ifeq (${OSTYPE}, Darwin)
   $(foreach suffix,mp-9 9  mp-8 8  mp-7 7,$(eval $(call TEST_COMPILER,${suffix})))
 
-  ifneq ($(shell echo `$(CXX) --version 2>&1 | grep -c clang`), 0)
-     CPATH := $(shell echo `which $(CXX)`)
-     CLANG := $(shell echo `$(CXX) --version 2>&1 | grep clang`)
-     space := 
-
-     $(warning )
-     ifeq ($(CXX), $(CPATH))
-       $(warning Compiler '$(CXX)' reports version '$(CLANG)'.)
-     else
-       $(warning Compiler '$(CXX)' at '$(CPATH)' reports version '$(CLANG)'.)
-     endif
-     $(warning )
-     $(warning Canu cannot be compiled with this compiler.  Please install GCC and/or)
-     $(warning specify a non-Clang compiler on the command line, e.g.,)   #  Quite the evil trick to get
-     $(warning $(space)    make CC=/path/to/gcc CXX=/path/to/g++);        #  this line indented!
-     $(warning )
-     $(error unsupported compiler)
-  endif
-
-  CXXFLAGS += -fopenmp -pthread -fPIC -m64 -Wno-format
-  LDFLAGS  += -fopenmp -pthread -lm
+  CXXFLAGS += -std=c++11 -Xpreprocessor -fopenmp -pthread -fPIC -m64 -Wno-format
+  LDFLAGS  += -L${PREFIX}/lib -lomp -pthread -lm
 endif
 
 
@@ -559,11 +540,45 @@ else
   #LDFLAGS   += -lprofiler
 
   #  callgrind
-  #CXXFLAGS  += -g3 -Wa,--gstabs -save-temps
+  #CXXFLAGS  +=  -Wa,--gstabs -save-temps
 endif
 endif
 
 
+ifeq (${OSTYPE}, NetBSD)
+  CC       ?= gcc
+  CXX      ?= g++
+
+  #  GCC
+  CXXFLAGS  += -pthread -fopenmp -fPIC
+  LDFLAGS   += -pthread -fopenmp -lm -lexecinfo
+
+  #CXXFLAGS  += -Wall -Wextra -Wformat  -Wno-unused   -Wno-parentheses
+  CXXFLAGS  += -Wall -Wextra -Wformat -Wno-unused-function -Wno-unused-parameter -Wno-unused-variable -Wno-char-subscripts -Wno-write-strings -Wno-sign-compare -Wno-format-truncation
+
+  #  Google Performance Tools malloc and heapchecker (HEAPCHECK=normal)
+  #CXXFLAGS  +=
+  #LDFLAGS   += -ltcmalloc
+
+  #  Google Performance Tools cpu profiler (CPUPROFILE=/path)
+  #CXXFLAGS  +=
+  #LDFLAGS   += -lprofiler
+
+  #  callgrind
+  #CXXFLAGS  +=  -Wa,--gstabs -save-temps
+
+  ifeq ($(BUILDOPTIMIZED), 1)
+  else
+    CXXFLAGS += 
+  endif
+
+  ifeq ($(BUILDDEBUG), 1)
+  else
+    CXXFLAGS +=     -fomit-frame-pointer
+  endif
+endif
+
+
 ifneq (,$(findstring CYGWIN, ${OSTYPE}))
   CC        ?= gcc
   CXX       ?= g++