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#define B_IMPLEMENTATION
#include "src/b.h"
int debug_level = 1;
void
debug_or_release(B_Cmd* cmd)
{
if (debug_level == 0)
b_cmd_append(cmd, "-O3", "-s");
else if (debug_level == 1)
b_cmd_append(cmd, "-O2", "-ggdb", "-DVKDEBUG");
else if (debug_level == 2)
b_cmd_append(cmd, "-O1", "-ggdb", "-DVKDEBUG");
else
b_cmd_append(cmd, "-O0", "-ggdb", "-DVKDEBUG");
}
void
inlcude_dirs(B_Cmd* cmd)
{
b_cmd_append(cmd, "-I./src/");
b_cmd_append(cmd, "-I./lib");
b_cmd_append(cmd, "-I./lib/imgui-1.90.7");
}
void
cflags(B_Cmd* cmd)
{
b_cmd_append(cmd, "-Wall", "-Wextra");
debug_or_release(cmd);
b_cmd_append(cmd, "-march=native");
b_cmd_append(cmd, "-fno-math-errno", "-funroll-loops");
b_cmd_append(cmd, "-flto", "-pthread");
inlcude_dirs(cmd);
}
void cxxflags(B_Cmd *cmd)
{
b_cmd_append(cmd, "-Wall", "-Wextra");
b_cmd_append(cmd, "-Wno-string-plus-int", "-Wno-nullability-completeness", "-Wno-unused-function", "-Wno-missing-field-initializers", "-Wno-unused-parameter", "-Wno-unused-variable");
debug_or_release(cmd);
b_cmd_append(cmd, "-march=native");
b_cmd_append(cmd, "-fno-math-errno", "-funroll-loops");
b_cmd_append(cmd, "-flto", "-pthread");
inlcude_dirs(cmd);
//b_cmd_append(cmd, "-O3");
}
void cxx(B_Cmd *cmd)
{
b_cmd_append(cmd, "clang");
cxxflags(cmd);
}
void cc(B_Cmd *cmd)
{
b_cmd_append(cmd, "clang");
cflags(cmd);
}
void libs(B_Cmd *cmd)
{
b_cmd_append(cmd, "-lSDL2", "-lm", "-lvulkan", "-lshaderc_shared", "-lstdc++");
}
bool
build_c(bool force,
B_Cmd* cmd,
const char** input_paths,
size_t input_paths_len,
const char** dep_paths,
size_t dep_paths_len,
const char* output_path)
{
int rebuild_is_needed =
b_needs_rebuild(output_path, input_paths, input_paths_len);
int dep_rebuild = b_needs_rebuild(output_path, dep_paths, dep_paths_len);
if (rebuild_is_needed < 0 || dep_rebuild < 0) return false;
if (force || rebuild_is_needed || dep_rebuild) {
cmd->count = 0;
cc(cmd);
b_cmd_append(cmd, "-o", output_path);
b_da_append_many(cmd, input_paths, input_paths_len);
libs(cmd);
return b_cmd_run_sync(*cmd);
}
b_log(B_INFO, "%s is up-to-date", output_path);
return true;
}
bool
compile_cxx(bool force,
B_Cmd* cmd,
const char** input_paths,
size_t input_paths_len,
const char** dep_paths,
size_t dep_paths_len,
const char* output_path)
{
int rebuild_is_needed = b_needs_rebuild(output_path, input_paths, input_paths_len);
int dep_rebuild = b_needs_rebuild(output_path, dep_paths, dep_paths_len);
if (rebuild_is_needed < 0 || dep_rebuild < 0) return false;
if (force || rebuild_is_needed || dep_rebuild) {
cmd->count = 0;
cxx(cmd);
b_cmd_append(cmd, "-c");
//b_cmd_append(cmd, "-o", output_path);
b_da_append_many(cmd, input_paths, input_paths_len);
//libs(cmd);
return b_cmd_run_sync(*cmd);
}
b_log(B_INFO, "%s is up-to-date", output_path);
return true;
}
int
main(int argc, char *argv[])
{
B_GO_REBUILD_URSELF(argc, argv);
const char *program_name = b_shift_args(&argc, &argv);
bool force = false;
while (argc > 0) {
const char *flag = b_shift_args(&argc, &argv);
if (strcmp(flag, "-f") == 0) {
force = true;
} else {
b_log(B_ERROR, "Unknown flag `%s`", flag);
return 1;
}
}
const char *cxx_dep_paths[] = {
"src/vksetup.h",
};
const char* cxx_input_paths[] = {
"src/cplusplus.cpp",
"lib/imgui-1.90.7/imgui.cpp",
"lib/imgui-1.90.7/imgui_demo.cpp",
"lib/imgui-1.90.7/imgui_draw.cpp",
"lib/imgui-1.90.7/imgui_tables.cpp",
"lib/imgui-1.90.7/imgui_widgets.cpp",
"lib/imgui-1.90.7/backends/imgui_impl_sdl2.cpp",
"lib/imgui-1.90.7/backends/imgui_impl_vulkan.cpp",
};
const char *c_dep_paths[] = {
"src/state.h",
"src/vksetup.h",
};
const char* c_input_paths[] = {
"src/render.c",
"cplusplus.o",
"imgui.o",
"imgui_demo.o",
"imgui_draw.o",
"imgui_tables.o",
"imgui_widgets.o",
"imgui_impl_sdl2.o",
"imgui_impl_vulkan.o",
};
B_Cmd cmd = {0};
if (!compile_cxx(force, &cmd, cxx_input_paths, B_ARRAY_LEN(cxx_input_paths), cxx_dep_paths, B_ARRAY_LEN(c_dep_paths),"cplusplus.o")) return 1;
if (!build_c(force, &cmd, c_input_paths, B_ARRAY_LEN(c_input_paths), c_dep_paths, B_ARRAY_LEN(c_dep_paths),"render")) return 1;
return 0;
}
/*
1. Build list of <object>.cpp (with <dep>s) -> into build/cxx/<object>/<dep>.o
2. Build list of <object>.c (with <dep>s) -> into build/c/<object>/<dep>.o
3. Build <target>.c linking with the objects from 1 & 2 -> into <target>
Check for rebuilds:
1. <object.cpp> and <dep>s
2. <object.c> and <dep>s
3. <target.c> and all links {cxx,c}/ * / *.o
*/
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