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Now I can build raylib using cbt

This commit is contained in:
Casey 2023-11-25 22:16:11 +03:00
parent 788d612921
commit 59fd8c4328
Signed by: hkc
GPG Key ID: F0F6CFE11CDB0960
3 changed files with 133 additions and 44 deletions
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1
.gitignore vendored
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@ -2,3 +2,4 @@ cbt
cbt_impl.c
state
add-impl.py
raylib

17
cbt.c
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@ -1,20 +1,29 @@
// x-run: python3 ./add-impl.py && ~/scripts/runc.sh % -Wall -Wextra -X-gdb
// x-run: python3 ./add-impl.py && ~/scripts/runc.sh % -Wall -Wextra
#define CBT_IMPLEMENTATION
#include "cbt.h"
int main(int argc, char **argv) {
CBT_INIT(argc, argv);
cbt_shell(CBT_PROC_AUTO, "sh", "-c", "echo 'owo'");
/*cbt_shell(CBT_PROC_AUTO, "sh", "-c", "echo 'owo'");*/
// example usage, won't actually work
struct cbt_lib raylib = cbt_lib("raylib");
cbt_lib_src(&raylib, "./raylib/*.c");
raylib.type = CBT_LIB_STATIC;
cbt_lib_src(&raylib, "./raylib/src/*.c");
cbt_lib_ldflags(&raylib, "-lm");
cbt_lib_cflags(&raylib, "-Wall", "-Wextra");
cbt_lib_cflags(&raylib, "-D_GNU_SOURCE", "-DPLATFORM_DESKTOP",
"-DGRAPHICS_API_OPENGL_33", "-Wno-missing-braces",
"-Werror=pointer-arith", "-fno-strict-aliasing", "-std=c99",
"-fPIC", "-O1", "-Werror=implicit-function-declaration",
"-I./raylib/src", "-I./raylib/src/external/glfw/include",
"-I./raylib/src/external/glfw/deps/mingw");
cbt_lib_build(raylib, NULL);
cbt_lib_free(raylib);
cbt_proc_wait(cbt_proc_new(CBT_PROC_AUTO, cbt_cc, "clock.c", "-o", "clock",
"libraylib.a", "-lm", "-lpthread"));
cbt_cleanup();
return 0;
}

159
cbt.h
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@ -20,6 +20,8 @@ struct cbt_strarr {
size_t size, cap;
};
struct cbt_strarr cbt_strarrdup(struct cbt_strarr src);
extern long cbt_start_time;
extern enum cbt_loglevel cbt_verbosity;
extern char *cbt_cc, *cbt_cache_dir;
@ -43,7 +45,7 @@ const char *cbt_escape_args(char **args);
const char *cbt_escape_argsd(struct cbt_strarr arr);
#ifndef CBT_FMT_NBUFS
#define CBT_FMT_NBUFS 64
#define CBT_FMT_NBUFS 128
#endif
#ifndef CBT_FMT_BUFSIZE
@ -118,8 +120,8 @@ void cbt_binary_free(struct cbt_binary bin);
#define cbt_da_add(ARR, ITEM) \
{ \
if (ARR.size >= ARR.cap) { \
size_t size = ARR.size == 0 ? CBT_DA_INIT_SIZE : ARR.size * 2; \
ARR.items = CBT_REALLOC(ARR.items, size * sizeof(ARR.items[0])); \
ARR.cap = ARR.size == 0 ? CBT_DA_INIT_SIZE : ARR.size * 2; \
ARR.items = CBT_REALLOC(ARR.items, ARR.cap * sizeof(ARR.items[0])); \
} \
ARR.items[ARR.size] = (ITEM); \
ARR.size++; \
@ -132,6 +134,8 @@ void cbt_binary_free(struct cbt_binary bin);
ARR.size--; \
}
#define cbt_da_pop(ARR) cbt_da_remove(ARR, ARR.size - 1)
#define cbt_da_merge(OUT, IN) \
{ \
OUT.cap = OUT.size + IN.size; \
@ -294,7 +298,7 @@ void cbt_cleanup(void) {
const char *cbt_fmt(const char *fmt, ...) {
static char cbt_fmt_buffers[CBT_FMT_NBUFS][CBT_FMT_BUFSIZE];
static int cbt_fmt_buffer = 0;
char *buffer = cbt_fmt_buffers[cbt_fmt_buffer++ % CBT_FMT_NBUFS];
char *buffer = cbt_fmt_buffers[(cbt_fmt_buffer++) % CBT_FMT_NBUFS];
va_list args;
va_start(args, fmt);
vsnprintf(buffer, CBT_FMT_BUFSIZE - 1, fmt, args);
@ -324,6 +328,15 @@ void cbt_log(enum cbt_loglevel lvl, const char *fmt, ...) {
fputc('\n', stdout);
}
struct cbt_strarr cbt_strarrdup(struct cbt_strarr src) {
char **items = calloc(src.size, sizeof(char *));
for (size_t i = 0; i < src.size; i++) {
items[i] = strdup(src.items[i]);
}
return (struct cbt_strarr) { items, src.size, src.size };
}
// TODO: find a better option
const char *cbt_escape_shell(char *arg) {
int n = strlen(arg);
@ -438,7 +451,14 @@ struct cbt_proc cbt_proc_newv(enum cbt_proc_mode mode, va_list args) {
}
cbt_da_add(args_da, NULL);
return cbt_proc_newd(mode, args_da);
struct cbt_proc proc = cbt_proc_newd(mode, args_da);
cbt_log(CBT_LOG_DEBUG, "freeing up args");
for (size_t i = 0; i < args_da.size; i++) {
free(args_da.items[i]);
}
free(args_da.items);
return proc;
}
struct cbt_proc cbt_proc_newd(enum cbt_proc_mode mode, struct cbt_strarr args) {
@ -455,7 +475,7 @@ struct cbt_proc cbt_proc_newd(enum cbt_proc_mode mode, struct cbt_strarr args) {
procinfo.pid = fork();
if (procinfo.pid < 0) {
cbt_log(CBT_LOG_ERROR, "fork() failed: %s", strerror(errno));
goto cbt_proc_new_cleanup;
return procinfo;
}
if (procinfo.pid == 0) { // child
@ -487,13 +507,6 @@ struct cbt_proc cbt_proc_newd(enum cbt_proc_mode mode, struct cbt_strarr args) {
cbt__add_fd(pipe_fds_serr[0], true);
}
cbt_proc_new_cleanup:
cbt_log(CBT_LOG_DEBUG, "freeing up args");
for (size_t i = 0; i < args.size; i++) {
free(args.items[i]);
}
free(args.items);
return procinfo;
}
}
@ -596,18 +609,22 @@ void _cbt_lib_src(struct cbt_lib *lib, ...) {
va_list args;
va_start(args, lib);
glob_t globbuf;
glob_t globbuf = { 0 };
for (char *arg = va_arg(args, char *); arg; arg = va_arg(args, char *)) {
CBT_FAIL(glob(arg, GLOB_APPEND | GLOB_BRACE, _cbt_globerr, &globbuf) != 0);
memset(&globbuf, 0, sizeof(glob_t));
CBT_FAIL(glob(arg, GLOB_BRACE, _cbt_globerr, &globbuf) != 0);
for (size_t i = 0; i < globbuf.gl_pathc; i++) {
char *path = globbuf.gl_pathv[i];
cbt_log(CBT_LOG_DEBUG, "gl_pathv[%d] = %s", i, path);
if (path) {
cbt_da_add(lib->sources, strdup(path));
}
}
globfree(&globbuf);
}
for (size_t i = 0; i < globbuf.gl_pathc; i++) {
char *path = strdup(globbuf.gl_pathv[i]);
cbt_da_add(lib->sources, path);
}
globfree(&globbuf);
va_end(args);
}
@ -624,7 +641,7 @@ void _cbt_lib_ldflags(struct cbt_lib *lib, ...) {
va_list args;
va_start(args, lib);
for (char *arg = va_arg(args, char *); arg; arg = va_arg(args, char *)) {
cbt_da_add(lib->ldflags, arg);
cbt_da_add(lib->ldflags, strdup(arg));
}
va_end(args);
}
@ -641,36 +658,98 @@ bool cbt_lib_build(struct cbt_lib lib, const char *compiler) {
return false;
}
struct cbt_strarr args = {0};
cbt_da_add(args, (char *)(compiler ? compiler : cbt_cc));
{
struct cbt_strarr args = {0};
cbt_da_add(args, (char *)(compiler ? compiler : cbt_cc));
cbt_da_merge(args, lib.cflags);
cbt_da_merge(args, lib.cflags);
cbt_da_add(args, "-c");
cbt_log(CBT_LOG_INFO, "args.size: %d", args.size);
cbt_log(CBT_LOG_INFO, "CMD: %s", cbt_escape_argsd(args));
cbt_log(CBT_LOG_INFO, "args.size: %d", args.size);
cbt_log(CBT_LOG_INFO, "CMD: %s", cbt_escape_argsd(args));
cbt_da_add(args, NULL);
cbt_da_add(args, "-o");
cbt_da_add(args, NULL);
cbt_da_add(args, NULL); // input file
cbt_da_add(args, "-o");
cbt_da_add(args, NULL); // output file
cbt_da_add(args, NULL);
for (size_t i = 0; i < lib.sources.size; i++) {
args.items[args.size - 3] = lib.sources.items[i];
args.items[args.size - 1] = ".o"; // TODO
for (size_t i = 0; i < lib.sources.size; i++) {
char *source_name = args.items[args.size - 4] = lib.sources.items[i];
char *outname = (char *)cbt_fmt("%s", lib.sources.items[i]);
outname[strlen(outname) - 1] = 'o';
args.items[args.size - 2] = outname;
cbt_log(CBT_LOG_INFO, "building %s -> %s", lib.sources.items[i], outname);
if (cbt_needs_recompilation(source_name, outname)) {
struct cbt_proc proc = cbt_proc_newd(CBT_PROC_AUTO, args);
if (cbt_proc_wait(proc) != 0) {
cbt_log(CBT_LOG_ERROR, "build failed: %s", cbt_escape_argsd(args));
return false;
}
} else {
cbt_log(CBT_LOG_INFO, "skipping (already built)");
}
}
free(args.items);
}
if (lib.type == CBT_LIB_SHARED) {
cbt_log(CBT_LOG_INFO, "Linking everything together...");
struct cbt_strarr args = {0};
cbt_da_add(args, (char *)strdup(compiler ? compiler : cbt_cc));
for (size_t i = 0; i < lib.sources.size; i++) {
char *outname = (char *)cbt_fmt("%s", lib.sources.items[i]);
outname[strlen(outname) - 1] = 'o';
cbt_da_add(args, strdup(outname));
}
cbt_da_merge(args, lib.ldflags);
cbt_da_add(args, strdup("-shared"));
cbt_da_add(args, strdup("-o"));
cbt_da_add(args, strdup(cbt_fmt("lib%s.so", lib.libname)));
cbt_da_add(args, NULL);
struct cbt_proc proc = cbt_proc_newd(CBT_PROC_AUTO, args);
if (cbt_proc_wait(proc) != 0) {
cbt_log(CBT_LOG_ERROR, "build failed: %s", cbt_escape_argsd(args));
return false;
}
for (size_t i = 0; i < args.size - 1; i++) {
free(args.items[i]);
}
free(args.items);
} else if (lib.type == CBT_LIB_STATIC) {
cbt_log(CBT_LOG_INFO, "Archiving");
struct cbt_strarr args = {0};
cbt_da_add(args, strdup("ar"));
cbt_da_add(args, strdup("rcs"));
cbt_da_add(args, strdup(cbt_fmt("lib%s.a", lib.libname)));
for (size_t i = 0; i < lib.sources.size; i++) {
char *outname = (char *)cbt_fmt("%s", lib.sources.items[i]);
outname[strlen(outname) - 1] = 'o';
cbt_da_add(args, strdup(outname));
}
cbt_da_add(args, NULL);
struct cbt_proc proc = cbt_proc_newd(CBT_PROC_AUTO, args);
if (cbt_proc_wait(proc) != 0) {
cbt_log(CBT_LOG_ERROR, "build failed: %s", cbt_escape_argsd(args));
return false;
}
for (size_t i = 0; i < args.size - 1; i++) {
free(args.items[i]);
}
free(args.items);
} else {
CBT_TODO("Unknown library type");
}
char **argp = &args.items[args.size - 1];
cbt_da_merge(args, lib.ldflags);
*argp = (char *)cbt_fmt("lib%s.so", lib.libname);
// todo: link
return false;
return true;
}
void cbt_lib_free(struct cbt_lib lib) {