e2ba7cd296
This also fixes some inconsistencies such as mixing both strerror and strerrordesc_np, and possible formatting issues.
122 lines
2.9 KiB
Go
122 lines
2.9 KiB
Go
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"io/fs"
|
|
"os"
|
|
"path"
|
|
"strings"
|
|
)
|
|
|
|
var (
|
|
outputExe = "game"
|
|
compilerExe = "g++"
|
|
compilerOptions = []string{
|
|
"-m64",
|
|
"-fno-strict-aliasing",
|
|
"-pedantic",
|
|
"-Wall",
|
|
"-Wextra",
|
|
"-Wno-deprecated-declarations",
|
|
"-Wno-unused-parameter",
|
|
"-Wno-format-truncation",
|
|
"-std=c++11",
|
|
"-pthread",
|
|
"-DOS_LINUX=1",
|
|
"-DARCH_X64=1",
|
|
}
|
|
debugOptions = []string{"-g", "-Og", "-DENABLE_ASSERTIONS=1"}
|
|
releaseOptions = []string{"-O2"}
|
|
linkerOptions = []string{
|
|
"-Wl,-t",
|
|
"-lrt",
|
|
"-lcrypto",
|
|
}
|
|
)
|
|
|
|
func main() {
|
|
if len(os.Args) < 2 {
|
|
fmt.Println("USAGE: makefile.exe SRCDIR")
|
|
os.Exit(1)
|
|
}
|
|
|
|
sourceDir := os.Args[1]
|
|
buildDir := path.Join(path.Dir(sourceDir), "build")
|
|
|
|
type Object struct{ obj, src string }
|
|
objectFiles := []Object{}
|
|
headerFiles := []string{}
|
|
|
|
fs.WalkDir(os.DirFS(sourceDir), ".",
|
|
func(rel string, d fs.DirEntry, err error) error {
|
|
if err == nil && !d.IsDir() {
|
|
ext := path.Ext(rel)
|
|
switch ext {
|
|
case ".cpp", ".cxx", ".cc", ".c":
|
|
src := rel
|
|
obj := rel[:len(src)-len(ext)] + ".obj"
|
|
objectFiles = append(objectFiles, Object{obj, src})
|
|
case ".hpp", ".hxx", ".hh", ".h":
|
|
hdr := rel
|
|
headerFiles = append(headerFiles, hdr)
|
|
}
|
|
}
|
|
return nil
|
|
})
|
|
|
|
output := bytes.Buffer{}
|
|
|
|
// VARIABLES
|
|
fmt.Fprintf(&output, "SRCDIR = %v\n", sourceDir)
|
|
fmt.Fprintf(&output, "BUILDDIR = %v\n", buildDir)
|
|
fmt.Fprintf(&output, "OUTPUTEXE = %v\n", outputExe)
|
|
fmt.Fprint(&output, "\n")
|
|
|
|
fmt.Fprintf(&output, "CC = %v\n", compilerExe)
|
|
fmt.Fprintf(&output, "CFLAGS = %v\n", strings.Join(compilerOptions, " "))
|
|
fmt.Fprintf(&output, "LFLAGS = %v\n", strings.Join(linkerOptions, " "))
|
|
fmt.Fprint(&output, "\n")
|
|
|
|
// DEBUG SWITCH
|
|
fmt.Fprint(&output, "DEBUG ?= 0\n")
|
|
fmt.Fprint(&output, "ifneq ($(DEBUG), 0)\n")
|
|
fmt.Fprintf(&output, " CFLAGS += %v\n", strings.Join(debugOptions, " "))
|
|
fmt.Fprint(&output, "else\n")
|
|
fmt.Fprintf(&output, " CFLAGS += %v\n", strings.Join(releaseOptions, " "))
|
|
fmt.Fprint(&output, "endif\n\n")
|
|
|
|
// HEADERS
|
|
fmt.Fprint(&output, "HEADERS =")
|
|
for _, header := range headerFiles {
|
|
fmt.Fprintf(&output, " $(SRCDIR)/%v", header)
|
|
}
|
|
fmt.Fprint(&output, "\n\n")
|
|
|
|
// EXECUTABLE
|
|
fmt.Fprint(&output, "$(BUILDDIR)/$(OUTPUTEXE):")
|
|
for _, object := range objectFiles {
|
|
fmt.Fprintf(&output, " $(BUILDDIR)/%v", object.obj)
|
|
}
|
|
fmt.Fprint(&output, "\n")
|
|
fmt.Fprint(&output, "\t$(CC) $(CFLAGS) -o $@ $^ $(LFLAGS)\n\n")
|
|
|
|
// OBJECTS
|
|
for _, object := range objectFiles {
|
|
fmt.Fprintf(&output, "$(BUILDDIR)/%v: $(SRCDIR)/%v $(HEADERS)\n", object.obj, object.src)
|
|
fmt.Fprint(&output, "\t@mkdir -p $(@D)\n")
|
|
fmt.Fprint(&output, "\t$(CC) -c $(CFLAGS) -o $@ $<\n\n")
|
|
}
|
|
|
|
// PHONY
|
|
fmt.Fprint(&output, ".PHONY: clean\n\n")
|
|
fmt.Fprint(&output, "clean:\n\t@rm -rf $(BUILDDIR)\n\n")
|
|
|
|
if err := os.WriteFile("Makefile", output.Bytes(), 0644); err != nil {
|
|
fmt.Printf("failed to write Makefile: %v\n", err)
|
|
os.Exit(1)
|
|
}
|
|
|
|
return
|
|
}
|