vg_build.h

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <unistd.h>
   4
   5 #include "vg_log.h"
   6
   7 struct compiler_info
   8 {
   9    char name[64],
  10         file[512],
  11         link[512],
  12         library[512],
  13         include[512],
  14         build_dir[512],
  15         executable[512];
  16
  17    enum optimization_profile
  18    {
  19       k_optimization_profile_debug,
  20       k_optimization_profile_release
  21    }
  22    optimization_profile;
  23
  24    enum target_file
  25    {
  26       k_target_file_game,
  27       k_target_file_server
  28    }
  29    target_file;
  30
  31    enum compiler
  32    {
  33       k_compiler_clang,
  34       k_compiler_gcc,
  35       k_compiler_mingw
  36    }
  37    compiler;
  38 }
  39
  40 static vg_compiler;
  41
  42 void vg_build_syscall(const char *fmt, ...)
  43 {
  44    va_list args;
  45    va_start( args, fmt );
  46
  47         char call[4096];
  48         vsnprintf( call, vg_list_size( call ), fmt, args );
  49
  50    va_end( args );
  51
  52    puts( call );
  53
  54    if( system(call) )
  55       exit(0);
  56 }
  57
  58 void vg_build_object( const char *file )
  59 {
  60    strcat( vg_compiler.file, file );
  61 }
  62
  63 void vg_build_library_dir( const char *ldir )
  64 {
  65    strcat( vg_compiler.library, ldir );
  66 }
  67
  68 void vg_build_link( const char *link )
  69 {
  70    strcat( vg_compiler.link, link );
  71 }
  72
  73 void vg_build_include( const char *inc )
  74 {
  75    strcat( vg_compiler.include, inc );
  76 }
  77
  78 const char *vg_compiler_str(void)
  79 {
  80    return (const char *[]){ "clang", "gcc", "i686-w64-mingw32-gcc" }
  81                           [vg_compiler.compiler];
  82 }
  83
  84 void vg_build_start( const char *name, enum compiler compiler )
  85 {
  86    vg_compiler.file[0] = '\0';
  87    vg_compiler.link[0] = '\0';
  88    vg_compiler.include[0] = '\0';
  89    vg_compiler.library[0] = '\0';
  90    vg_compiler.compiler = compiler;
  91
  92    strcpy( vg_compiler.name, name );
  93
  94    snprintf( vg_compiler.build_dir, 512,
  95                                     "bin/%s-%s",
  96                                     name,
  97                                     vg_compiler_str() );
  98
  99    vg_build_syscall( "mkdir -p %s", vg_compiler.build_dir );
 100    vg_build_include( "-I. -I./vg " );
 101    vg_build_library_dir( "-L. " );
 102 }
 103
 104 void vg_build_add_link_for_graphics(void)
 105 {
 106    if( (vg_compiler.compiler == k_compiler_gcc) ||
 107        (vg_compiler.compiler == k_compiler_clang ) )
 108    {
 109       vg_build_link( "-lSDL2 -lGL -lX11 -lXxf86vm -lXrandr -lXi -ldl " );
 110    }
 111    else
 112    {
 113       vg_build_link( "-lmingw32 -lSDL2main -lSDL2 -lopengl32 -mwindows " );
 114    }
 115
 116    vg_build_object( "vg/dep/glad/glad.c " );
 117    vg_build_link( "-lm -pthread " );
 118 }
 119
 120 void vg_build_add_link_for_game(void)
 121 {
 122    if( (vg_compiler.compiler == k_compiler_gcc) ||
 123        (vg_compiler.compiler == k_compiler_clang ) )
 124    {
 125       vg_build_link( "-lsteam_api " );
 126    }
 127    else
 128    {
 129       vg_build_library_dir( "-L./vg/dep/sdl " );
 130       vg_build_link( "vg/dep/steam/steam_api.dll " );
 131    }
 132
 133    vg_build_include( "-I./vg/dep " );
 134    vg_build_library_dir( "-L./vg/dep/steam " );
 135 }
 136
 137 void vg_build_bin_dependency_file( const char *src )
 138 {
 139    vg_build_syscall( "cp %s %s", src, vg_compiler.build_dir );
 140 }
 141
 142 void vg_build_symbolic_link( const char *folder, const char *bin_name )
 143 {
 144    char dest[512];
 145    snprintf( dest, 512, "%s/%s", vg_compiler.build_dir, bin_name );
 146
 147    if( !access( dest, F_OK ) )
 148       vg_build_syscall( "unlink %s", dest );
 149
 150    vg_build_syscall( "ln -srf %s %s", folder, dest );
 151 }
 152
 153 void vg_build_copy_graphics_dependencies(void)
 154 {
 155    if( vg_compiler.compiler == k_compiler_mingw )
 156    {
 157       vg_build_bin_dependency_file( "vg/dep/sdl/SDL2.dll" );
 158    }
 159 }
 160
 161 void vg_build_copy_game_dependencies(void)
 162 {
 163    vg_build_bin_dependency_file(
 164          "vg/submodules/SDL_GameControllerDB/gamecontrollerdb.txt" );
 165
 166    if( (vg_compiler.compiler == k_compiler_gcc) ||
 167        (vg_compiler.compiler == k_compiler_clang) )
 168    {
 169       vg_build_bin_dependency_file( "vg/dep/steam/libsteam_api.so" );
 170    }
 171    else
 172    {
 173       vg_build_bin_dependency_file( "vg/dep/steam/steam_api.dll" );
 174    }
 175 }
 176
 177 void vg_build_mode_release(void)
 178 {
 179    vg_compiler.optimization_profile = k_optimization_profile_release;
 180 }
 181
 182 void vg_build_mode_debug(void)
 183 {
 184    vg_compiler.optimization_profile = k_optimization_profile_debug;
 185 }
 186
 187 void vg_build(void)
 188 {
 189    char cmd[4096];
 190    cmd[0] = '\0';
 191
 192    /* Compiler */
 193    strcat( cmd, "ccache " );
 194    strcat( cmd, vg_compiler_str() );
 195    strcat( cmd, " -std=gnu99 -D_REENTRANT \\\n" );
 196
 197    /* Debugging information */
 198    if( vg_compiler.optimization_profile == k_optimization_profile_debug )
 199    {
 200       strcat( cmd, "   -O0 -ggdb3 -fno-omit-frame-pointer " );
 201
 202       if( (vg_compiler.compiler == k_compiler_gcc) ||
 203           (vg_compiler.compiler == k_compiler_clang ) )
 204       {
 205          strcat( cmd, "-rdynamic -fsanitize=address " );
 206       }
 207
 208       strcat( cmd, "\\\n" );
 209    }
 210    else
 211    {
 212       strcat( cmd, "   -O3 -DVG_RELEASE\\\n" );
 213    }
 214
 215    /* Warnings */
 216    strcat( cmd,
 217       "   -Wall\\\n"
 218       "     -Wno-unused-function -Wno-unused-variable\\\n"
 219       "     -Wno-unused-command-line-argument -Wno-unused-but-set-variable\\\n"
 220    );
 221
 222    /* Include */
 223    strcat( cmd, "   " );
 224    strcat( cmd, vg_compiler.include );
 225    strcat( cmd, "\\\n" );
 226
 227    /* Library */
 228    strcat( cmd, "   " );
 229    strcat( cmd, vg_compiler.library );
 230    strcat( cmd, "\\\n" );
 231
 232    /* Targets */
 233    strcat( cmd, "   " );
 234    strcat( cmd, vg_compiler.file );
 235    strcat( cmd, "\\\n" );
 236
 237    /* Output */
 238    strcat( cmd, "   -o " );
 239    vg_compiler.executable[0] = '\0';
 240    strcat( vg_compiler.executable, vg_compiler.build_dir );
 241    strcat( vg_compiler.executable, "/" );
 242    strcat( vg_compiler.executable, vg_compiler.name );
 243
 244    if( vg_compiler.compiler == k_compiler_mingw )
 245       strcat( vg_compiler.executable, ".exe" );
 246
 247    strcat( cmd, vg_compiler.executable );
 248    strcat( cmd, "\\\n" );
 249
 250    /* Link */
 251    strcat( cmd, "   " );
 252    strcat( cmd, vg_compiler.link );
 253    strcat( cmd, "\\\n" );
 254
 255    strcat( cmd, "   -Wl,-rpath=./" );
 256
 257    vg_build_syscall( cmd );
 258 }