X-Git-Url: https://harrygodden.com/git/?p=vg.git;a=blobdiff_plain;f=vg_build.h;h=fbfbf95062e56f5c744f36f58685abd4ecfb4895;hp=53de6c3edacc3cc3ac8b3415b5223c5dfbe54540;hb=HEAD;hpb=71cdc299d260abd83eec20748578805509d5468f

diff --git a/vg_build.h b/vg_build.h
index 53de6c3..9a1d861 100644
--- a/vg_build.h
+++ b/vg_build.h
@@ -1,258 +1,538 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <unistd.h>
+#include <time.h>
+#include <stdarg.h>
 
+#include "vg_opt.h"
 #include "vg_log.h"
+#include "vg_string.h"
+#include "vg_build_font.h"
 
-struct compiler_info
+/* we dont free dynamic vg_strs in this program. so, we dont care.. */
+const char *__asan_default_options() { return "detect_leaks=0"; }
+
+struct vg_project
+{
+   vg_str uid, bin_folder;
+};
+
+struct vg_compiler_env
 {
-   char name[64],
-        file[512],
-        link[512],
-        library[512],
-        include[512],
-        build_dir[512],
-        executable[512];
-
-   enum optimization_profile
+   u32 optimization;
+   bool debug_asan;
+
+   enum platform 
    {
-      k_optimization_profile_debug,
-      k_optimization_profile_release
+      k_platform_anyplatform,
+      k_platform_windows,
+      k_platform_linux,
    }
-   optimization_profile;
+   platform;
 
-   enum target_file
+   enum architecture 
    {
-      k_target_file_game,
-      k_target_file_server
+      k_architecture_anyarch,
+      k_architecture_i386,
+      k_architecture_x86_64,
    }
-   target_file;
-
-   enum compiler
+   arch;
+   
+   enum compiler 
    {
+      k_compiler_blob,
       k_compiler_clang,
-      k_compiler_gcc,
-      k_compiler_mingw
+      k_compiler_zigcc,
    }
    compiler;
+
+   enum libc_version 
+   {
+      k_libc_version_native,
+      k_libc_version_2_23,
+   }
+   libc;
 }
+vg_test_env = 
+{
+   .optimization = 0,
+   .debug_asan = 1,
+   .platform = k_platform_linux,
+   .arch = k_architecture_x86_64,
+   .compiler = k_compiler_clang,
+   .libc = k_libc_version_native
+},
+vg_release_env = 
+{
+   .optimization = 3,
+   .debug_asan = 0,
+   .platform = k_platform_anyplatform,
+   .arch = k_architecture_x86_64,
+   .compiler = k_compiler_zigcc,
+   .libc = k_libc_version_2_23
+};
+
+struct vg_compiler_conf 
+{
+   vg_str include,
+          library,
+          link,
+          defines;
+};
+
+enum obj_type 
+{
+   k_obj_type_none,
+   k_obj_type_exe,
+   k_obj_type_obj,
+   k_obj_type_shared,
+};
+
+/* 
+ * string tables 
+ * -------------------------------------------------------------------------- */
 
-static vg_compiler;
+static const char *platform_names[] = 
+{
+   [k_platform_anyplatform] = "anyplatform",
+   [k_platform_windows]     = "windows",
+   [k_platform_linux]       = "linux",
+};
+
+static const char *architecture_names[] = 
+{
+   [k_architecture_anyarch] = "anyarch",
+   [k_architecture_i386]    = "i386",
+   [k_architecture_x86_64]  = "x86_64",
+};
+
+static const char *compiler_names[] = 
+{
+   [k_compiler_blob]    = "blob",
+   [k_compiler_clang]   = "clang",
+   [k_compiler_zigcc]   = "zig-cc",
+};
+
+static const char *libc_names[] = 
+{
+   [k_libc_version_native]  = "",
+   [k_libc_version_2_23]    = ".2.23"
+};
 
-void vg_build_syscall(const char *fmt, ...)
+/*
+ * OS & file tools
+ * -------------------------------------------------------------------------- */
+
+void vg_syscall( const char *fmt, ... )
 {
    va_list args;
    va_start( args, fmt );
 
 	char call[4096];
-	vsnprintf( call, vg_list_size( call ), fmt, args );
+	vsnprintf( call, sizeof(call), fmt, args );
 
    va_end( args );
-
-   puts( call );
-
+   vg_low( "%s\n", call );
    if( system(call) )
-      exit(0);
+      exit(1);
 }
 
-void vg_build_object( const char *file )
+void vg_add_blob( struct vg_project *proj, const char *blob, const char *dest )
 {
-   strcat( vg_compiler.file, file );
+   vg_syscall( "cp %s %s/%s", blob, proj->bin_folder.buffer, dest );
 }
 
-void vg_build_library_dir( const char *ldir )
+void vg_symlink( struct vg_project *proj,
+                 const char *folder, const char *bin_name )
 {
-   strcat( vg_compiler.library, ldir );
+   char dest[512];
+   snprintf( dest, 512, "%s/%s", proj->bin_folder.buffer, bin_name );
+   if( !access( dest, F_OK ) )
+      vg_syscall( "unlink %s", dest );
+   vg_syscall( "ln -srf %s %s", folder, dest );
 }
 
-void vg_build_link( const char *link )
+void vg_tarball_project( struct vg_project *proj )
 {
-   strcat( vg_compiler.link, link );
+   vg_syscall( "tar -chzvf dist/%s-%u.tar.gz %s/",
+               proj->uid.buffer, time(NULL), proj->bin_folder.buffer );
 }
 
-void vg_build_include( const char *inc )
+bool vg_platform_posix( enum platform p )
 {
-   strcat( vg_compiler.include, inc );
+   if( p == k_platform_linux ) return 1;
+   else return 0;
 }
 
-const char *vg_compiler_str(void)
+/*
+ * Project
+ * -------------------------------------------------------------------------- */
+
+/* Initialize the project structure, proj, 
+ *  IN folder/name,
+ *  CLEAR IF fresh
+ */
+void vg_project_init( struct vg_project *proj, 
+                      const char *folder,
+                      const char *name,
+                      struct vg_compiler_env *env,
+                      bool fresh )
 {
-   return (const char *[]){ "clang", "gcc", "i686-w64-mingw32-gcc" }
-                          [vg_compiler.compiler];
-}
+   vg_strnull( &proj->uid, NULL, 0 );
+   vg_strcat( &proj->uid, name );
 
-void vg_build_start( const char *name, enum compiler compiler )
-{
-   vg_compiler.file[0] = '\0';
-   vg_compiler.link[0] = '\0';
-   vg_compiler.include[0] = '\0';
-   vg_compiler.library[0] = '\0';
-   vg_compiler.compiler = compiler;
-
-   strcpy( vg_compiler.name, name );
-
-   snprintf( vg_compiler.build_dir, 512, 
-                                    "bin/%s-%s",
-                                    name,
-                                    vg_compiler_str() );
-
-   vg_build_syscall( "mkdir -p %s", vg_compiler.build_dir );
-   vg_build_include( "-I. -I./vg " );
-   vg_build_library_dir( "-L. " );
+   if( env )
+   {
+      vg_strcat( &proj->uid, "-" );
+      vg_strcat( &proj->uid, platform_names[ env->platform ] );
+      vg_strcat( &proj->uid, "-" );
+      vg_strcat( &proj->uid, architecture_names[ env->arch ] );
+      vg_strcat( &proj->uid, "-" );
+      vg_strcat( &proj->uid, compiler_names[ env->compiler ] );
+   }
+
+   vg_strnull( &proj->bin_folder, NULL, 0 );
+   vg_strcat( &proj->bin_folder, folder );
+   vg_strcat( &proj->bin_folder, "/" );
+   vg_strcat( &proj->bin_folder, proj->uid.buffer );
+
+   vg_info( "project_init: %s (fresh: %s)\n   (%s)\n", 
+               name, 
+               fresh? "yes":"no",
+               proj->bin_folder.buffer );
+
+   if( fresh )
+      vg_syscall( "rm -rf %s", proj->bin_folder.buffer );
+   vg_syscall( "mkdir -p %s", proj->bin_folder.buffer );
 }
 
-void vg_build_add_link_for_graphics(void)
+struct compile_result
+{
+   vg_str path, 
+          rel_path;
+};
+
+/* run a compiler.. return compiled object relative to project folder
+ */
+struct compile_result 
+vg_compiler_run( struct vg_project *project, 
+                 struct vg_compiler_env *env,
+                 struct vg_compiler_conf *conf,
+                 const char *sources,
+                 const char *target_name,
+                 enum obj_type type )
 {
-   if( (vg_compiler.compiler == k_compiler_gcc) || 
-       (vg_compiler.compiler == k_compiler_clang ) )
+   /* check for problems in configuration */
+   if( env->libc != k_libc_version_native )
    {
-      vg_build_link( "-lSDL2 -lGL -lX11 -lXxf86vm -lXrandr -lXi -ldl " );
+      if( env->compiler != k_compiler_zigcc )
+      {
+         vg_fatal_condition();
+         vg_info(
+               "Cannot specify libc version using the '%s' compiler.\n",
+               compiler_names[ env->compiler ] );
+         vg_fatal_exit();
+      }
    }
-   else
+
+   if( env->compiler == k_compiler_clang )
    {
-      vg_build_link( "-lmingw32 -lSDL2main -lSDL2 -lopengl32 -mwindows " );
+      if( env->platform != k_platform_linux )
+      {
+         vg_fatal_condition();
+         vg_info( "Cannot compile for '%s' using the '%s' compiler;" );
+         vg_fatal_exit();
+      }
    }
 
-   vg_build_object( "vg/dep/glad/glad.c " );
-   vg_build_link( "-lm -pthread " );
-}
+   vg_str cmd = {0};
+   vg_strcat( &cmd, "ccache " );
 
-void vg_build_add_link_for_game(void)
-{
-   if( (vg_compiler.compiler == k_compiler_gcc) ||
-       (vg_compiler.compiler == k_compiler_clang ) )
+   /* compiler specification */
+
+   if( env->compiler == k_compiler_zigcc ) 
+      vg_strcat( &cmd, "zig cc " );
+   else if( env->compiler == k_compiler_clang )
+      vg_strcat( &cmd, "clang" );
+
+   vg_strcat( &cmd, " -std=gnu99 -D_REENTRANT \\\n" );
+
+   if( env->optimization )
    {
-      vg_build_link( "-lsteam_api " );
+      vg_strcat( &cmd, "  -O" );
+      vg_strcati32( &cmd, env->optimization );
    }
-   else
+   else 
    {
-      vg_build_library_dir( "-L./vg/dep/sdl " );
-      vg_build_link( "vg/dep/steam/steam_api.dll " );
+      vg_strcat( &cmd, "  -O0 -ggdb3 -fno-omit-frame-pointer " );
+      vg_strcat( &cmd, "\\\n" );
    }
 
-   vg_build_include( "-I./vg/dep " );
-   vg_build_library_dir( "-L./vg/dep/steam " );
-}
+   if( (env->compiler == k_compiler_clang) && env->debug_asan )
+   {
+      vg_strcat( &cmd, "  -rdynamic -fsanitize=address -fPIE "
+                       "-fstack-protector-strong " );
+   }
 
-void vg_build_bin_dependency_file( const char *src )
-{
-   vg_build_syscall( "cp %s %s", src, vg_compiler.build_dir );
-}
+   /* always want this */
+   vg_strcat( &cmd, " -flto \\\n" );
 
-void vg_build_symbolic_link( const char *folder, const char *bin_name )
-{
-   char dest[512];
-   snprintf( dest, 512, "%s/%s", vg_compiler.build_dir, bin_name );
+   /* want a lot of warnings but not useless ones */
+   vg_strcat( &cmd, "  -Wall -ferror-limit=8\\\n"
+      "    -Wno-unused-function -Wno-unused-variable\\\n"
+      "    -Wno-unused-command-line-argument -Wno-unused-but-set-variable\\\n"
+   );
 
-   if( !access( dest, F_OK ) )
-      vg_build_syscall( "unlink %s", dest );
+   if( env->compiler != k_compiler_clang )
+      vg_strcat( &cmd, "    -Wno-format-truncation\\\n" );
 
-   vg_build_syscall( "ln -srf %s %s", folder, dest );
-}
+   /* defines */
+   vg_strcat( &cmd, "  " );
+   vg_strcat( &cmd, conf->defines.buffer );
+   vg_strcat( &cmd, "\\\n" );
 
-void vg_build_copy_graphics_dependencies(void)
-{
-   if( vg_compiler.compiler == k_compiler_mingw )
+   /* include paths */
+   vg_strcat( &cmd, "  " );
+   vg_strcat( &cmd, conf->include.buffer );
+   vg_strcat( &cmd, "\\\n" );
+   
+   /* library paths */
+   vg_strcat( &cmd, "  " );
+   vg_strcat( &cmd, conf->library.buffer ); 
+   vg_strcat( &cmd, "\\\n" );
+
+   /* sources */
+   vg_strcat( &cmd, "  " );
+
+   if( type == k_obj_type_obj )
+      vg_strcat( &cmd, "-c -fPIC " );
+
+   if( type == k_obj_type_shared )
    {
-      vg_build_bin_dependency_file( "vg/dep/sdl/SDL2.dll" );
+      vg_strcat( &cmd, "-shared -fPIC " );
    }
-}
 
-void vg_build_copy_game_dependencies(void)
-{
-   vg_build_bin_dependency_file( 
-         "vg/submodules/SDL_GameControllerDB/gamecontrollerdb.txt" );
+   vg_strcat( &cmd, sources );
+   vg_strcat( &cmd, "\\\n" );
 
-   if( (vg_compiler.compiler == k_compiler_gcc) || 
-       (vg_compiler.compiler == k_compiler_clang) )
+   struct compile_result res = {0};
+
+   vg_strcat( &res.rel_path, target_name );
+
+   if( env->platform == k_platform_windows )
    {
-      vg_build_bin_dependency_file( "vg/dep/steam/libsteam_api.so" );
+      if( type == k_obj_type_exe )
+         vg_strcat( &res.rel_path, ".exe" );
+      else if( type == k_obj_type_shared )
+         vg_strcat( &res.rel_path, ".dll" );
+      else if( type == k_obj_type_obj )
+         vg_strcat( &res.rel_path, ".obj" );
    }
-   else
+
+   if( vg_platform_posix( env->platform ) )
    {
-      vg_build_bin_dependency_file( "vg/dep/steam/steam_api.dll" );
+      if( type == k_obj_type_shared )
+         vg_strcat( &res.rel_path, ".so" );
+      else if( type == k_obj_type_obj )
+         vg_strcat( &res.rel_path, ".o" );
    }
-}
 
-void vg_build_mode_release(void)
-{
-   vg_compiler.optimization_profile = k_optimization_profile_release;
+   vg_strcat( &res.path, project->bin_folder.buffer );
+   vg_strcat( &res.path, "/" );
+   vg_strcat( &res.path, res.rel_path.buffer );
+   
+   vg_strcat( &cmd, "  -o " );
+   vg_strcat( &cmd, res.path.buffer );
+   vg_strcat( &cmd, "\\\n" );
+
+   /* link */
+   vg_strcat( &cmd, "  " );
+   vg_strcat( &cmd, conf->link.buffer );
+   vg_strcat( &cmd, "\\\n" );
+   
+   if( type == k_obj_type_exe )
+   {
+      vg_strcat( &cmd, "  -Wl,-rpath=./\\\n" );
+   }
+
+   /* platform specification (zig-cc only) */
+   if( env->compiler == k_compiler_zigcc )
+   {
+      vg_strcat( &cmd, "  -target " );
+      vg_strcat( &cmd, architecture_names[env->arch] );
+      vg_strcat( &cmd, "-" );
+      vg_strcat( &cmd, platform_names[env->platform] );
+
+      if( env->platform == k_platform_linux )
+      {
+         vg_strcat( &cmd, "-gnu" );
+         vg_strcat( &cmd, libc_names[env->libc] );
+      }
+
+      if( env->platform == k_platform_windows )
+      {
+         /* we currently dont want pdb pretty much ever. goodbye! */
+
+         if( type == k_obj_type_exe )
+         {
+            vg_strcat( &cmd, " /pdb:/dev/null" );
+            vg_strcat( &cmd, " /SUBSYSTEM:windows" );
+         }
+      }
+   }
+
+   vg_syscall( cmd.buffer );
+   return res;
 }
 
-void vg_build_mode_debug(void)
+/*
+ * Standard VG includes & libraries which we use for games/graphics
+ * -------------------------------------------------------------------------- */
+
+struct vg_engine_config
 {
-   vg_compiler.optimization_profile = k_optimization_profile_debug;
+   bool use_3d, 
+        legacy_support_vg_msg1, 
+        log_source_info, 
+        steam_api,
+        custom_game_settings,
+        custom_shaders;
+   i32 fixed_update_hz;
 }
-
-void vg_build(void)
+vg_engine_default_config = 
+{
+   .use_3d = 1,
+   .fixed_update_hz = 60,
+   .legacy_support_vg_msg1 = 0,
+   .log_source_info = 1,
+   .steam_api = 0,
+   .custom_game_settings = 0,
+   .custom_shaders = 0
+};
+
+struct compile_result
+vg_make_app( struct vg_project *proj, 
+             struct vg_engine_config *vg_conf,
+             struct vg_compiler_env *env,
+             struct vg_compiler_conf *conf,
+             const char *sources,
+             const char *appname )
 {
-   char cmd[4096];
-   cmd[0] = '\0';
+   struct vg_project vg_proj;
+   vg_project_init( &vg_proj, "bin", ".vg", env, 0 );
 
-   /* Compiler */
-   strcat( cmd, "ccache " );
-   strcat( cmd, vg_compiler_str() );
-   strcat( cmd, " -std=gnu99 -D_REENTRANT \\\n" );
+   /* building assets */
+   vg_build_default_font();
 
-   /* Debugging information */
-   if( vg_compiler.optimization_profile == k_optimization_profile_debug )
-   {
-      strcat( cmd, "   -O0 -ggdb3 -fno-omit-frame-pointer " );
+   /* add config defines to compiler config */
+   if( !vg_conf ) vg_conf = &vg_engine_default_config;
+   vg_strcat( &conf->defines, vg_conf->use_3d? "-DVG_3D \\\n": "-DVG_2D \\\n" );
+   vg_strcatf( &conf->defines, "-DVG_TIMESTEP_FIXED=\"(1.0/%d.0)\" \\\n",
+               vg_conf->fixed_update_hz );
 
-      if( (vg_compiler.compiler == k_compiler_gcc) ||
-          (vg_compiler.compiler == k_compiler_clang ) )
-      {
-         strcat( cmd, "-rdynamic -fsanitize=address " );
-      }
+   if( vg_conf->legacy_support_vg_msg1 )
+      vg_strcat( &conf->defines, "-DVG_MSG_V1_SUPPORT \\\n" );
 
-      strcat( cmd, "\\\n" );
-   }
-   else
-   {
-      strcat( cmd, "   -O3 -DVG_RELEASE\\\n" );
-   }
+   if( vg_conf->log_source_info )
+      vg_strcat( &conf->defines, "-DVG_LOG_SOURCE_INFO \\\n" );
 
-   /* Warnings */
-   strcat( cmd, 
-      "   -Wall -ferror-limit=0\\\n"
-      "     -Wno-unused-function -Wno-unused-variable\\\n"
-      "     -Wno-unused-command-line-argument -Wno-unused-but-set-variable\\\n"
-   );
+   if( vg_conf->custom_game_settings )
+      vg_strcat( &conf->defines, "-DVG_GAME_SETTINGS \\\n" );
 
-   /* Include */
-   strcat( cmd, "   " );
-   strcat( cmd, vg_compiler.include );
-   strcat( cmd, "\\\n" );
+   if( vg_conf->custom_shaders )
+      vg_strcat( &conf->defines, "-DVG_CUSTOM_SHADERS \\\n" );
 
-   /* Library */
-   strcat( cmd, "   " );
-   strcat( cmd, vg_compiler.library );
-   strcat( cmd, "\\\n" );
+   if( env->arch == k_architecture_i386 )
+      vg_strcat( &conf->defines, "-DVG_32 \\\n" );
+   else
+      vg_strcat( &conf->defines, "-DVG_64 \\\n" );
+
+   vg_strcat( &conf->defines, "\\\n" );
+   vg_strcat( &conf->include, "-I. -I./vg -I./vg/dep " );
+
+   /* compile all the components 
+    * ----------------------------------------------------------------------- */
+   vg_str components = {0};
+   vg_strcatf( &components, "%s ", sources );
+
+   struct vg_compiler_env denv = *env;
+   //denv.optimization = 3;
+
+   /* external dependencies */
+   struct compile_result depencies = 
+      vg_compiler_run( &vg_proj, &denv, conf, "vg/vg_depencies.c",
+                        "vg_deps", k_obj_type_obj );
+   vg_strcatf( &components, "%s ", depencies.path );
+
+   /* glad */
+   struct compile_result glad = 
+      vg_compiler_run( &vg_proj, &denv, conf, "vg/dep/glad/glad.c",
+                        "vg_glad", k_obj_type_obj );
+   vg_strcatf( &components, "%s ", glad.path );
+
+   /* core engine */
+   struct compile_result vg = 
+      vg_compiler_run( &vg_proj, &denv, conf, "vg/vg_engine.c",
+                        "vg_engine_core", k_obj_type_obj );
+   vg_strcatf( &components, "%s ", vg.path );
+
+   /* steamworks */
+   if( vg_conf->steam_api )
+   {
+      struct compile_result steam =
+         vg_compiler_run( &vg_proj, &denv, conf, "vg/vg_steam.c",
+                           "vg_steam", k_obj_type_obj );
+      vg_strcatf( &components, "%s ", steam.path );
 
-   /* Targets */
-   strcat( cmd, "   " );
-   strcat( cmd, vg_compiler.file );
-   strcat( cmd, "\\\n" );
+      if( env->platform == k_platform_linux )
+      {
+         vg_add_blob( proj, "vg/dep/steam/libsteam_api.so", "" );
+         vg_strcat( &conf->link, "-lsteam_api " );
+      }
+      else if( env->platform == k_platform_windows )
+      {
+         vg_add_blob( proj, "vg/dep/steam/steam_api64.dll", "" );
+         vg_strcat( &conf->link, "vg/dep/steam/steam_api64.dll " );
+      }
 
-   /* Output */
-   strcat( cmd, "   -o " );
-   vg_compiler.executable[0] = '\0';
-   strcat( vg_compiler.executable, vg_compiler.build_dir );
-   strcat( vg_compiler.executable, "/" );
-   strcat( vg_compiler.executable, vg_compiler.name );
+      vg_strcat( &conf->library, "-L./vg/dep/steam " );
+   }
 
-   if( vg_compiler.compiler == k_compiler_mingw )
-      strcat( vg_compiler.executable, ".exe" );
+   /* link */
+   vg_strcat( &conf->library, "-L. -L/usr/lib " );
+   vg_strcat( &conf->link, "-lm " );
 
-   strcat( cmd, vg_compiler.executable );
-   strcat( cmd, "\\\n" );
+   if( env->platform == k_platform_linux )
+   {
+      vg_strcat( &conf->link, "-lSDL2 -lGL -lX11 -lXxf86vm "
+                              "-lXrandr -lXi -ldl -pthread " );
 
-   /* Link */
-   strcat( cmd, "   " );
-   strcat( cmd, vg_compiler.link );
-   strcat( cmd, "\\\n" );
+      return vg_compiler_run( proj, env, conf, components.buffer, 
+                              appname, k_obj_type_exe );
+   }
+   else if( env->platform == k_platform_windows )
+   {
+      vg_strcat( &conf->link, "-lSDL2main -lSDL2 -lopengl32 \\\n" );
+      vg_strcat( &conf->link, "vg/dep/sdl/SDL2.dll " );
+      vg_add_blob( proj, "vg/dep/sdl/SDL2.dll ", "" );
+      vg_strcat( &conf->library, "-L./vg/dep/sdl " );
 
-   strcat( cmd, "   -Wl,-rpath=./" );
+      return vg_compiler_run( proj, env, conf, components.buffer, 
+                              appname, k_obj_type_exe );
+   }
+   else
+   {
+      vg_fatal_condition();
+      vg_info( "No compile procedure set for platform '%s'\n", 
+            platform_names[env->platform] );
+      vg_fatal_exit();
+   }
 
-   vg_build_syscall( cmd );
+   return (struct compile_result){};
+}
+
+void vg_add_controller_database( struct vg_project *proj )
+{
+   vg_add_blob( proj, 
+                "vg/submodules/SDL_GameControllerDB/gamecontrollerdb.txt", "" );
 }