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 \\\n" );
 114       vg_build_link( "   -Wl,--dynamicbase -Wl,--nxcompat \\\n" );
 115
 116       /* + 26.05.23: Suddenly something is pulling in winpthread.
 117        *             cant work out whats doing it or why. */
 118       vg_build_link( "   -Wl,-Bstatic,--whole-archive \\\n" );
 119       vg_build_link( "      -lwinpthread \\\n" );
 120       vg_build_link( "   -Wl,--no-whole-archive " );
 121    }
 122
 123    vg_build_object( "vg/dep/glad/glad.c " );
 124
 125    vg_build_link( "-lm " );
 126    if( vg_compiler.compiler == k_compiler_mingw ){
 127       //vg_build_link( "-mthreads " );
 128       //vg_build_link( "-static-libgcc " );
 129    }
 130    else{
 131       vg_build_link( "-pthread " );
 132    }
 133 }
 134
 135 void vg_build_add_link_for_game(void)
 136 {
 137    if( (vg_compiler.compiler == k_compiler_gcc) ||
 138        (vg_compiler.compiler == k_compiler_clang ) )
 139    {
 140       vg_build_link( "-lsteam_api " );
 141    }
 142    else
 143    {
 144       vg_build_library_dir( "-L./vg/dep/sdl " );
 145       vg_build_link( "vg/dep/steam/steam_api.dll " );
 146    }
 147
 148    vg_build_include( "-I./vg/dep " );
 149    vg_build_library_dir( "-L./vg/dep/steam " );
 150 }
 151
 152 void vg_build_bin_dependency_file( const char *src )
 153 {
 154    vg_build_syscall( "cp %s %s", src, vg_compiler.build_dir );
 155 }
 156
 157 void vg_build_symbolic_link( const char *folder, const char *bin_name )
 158 {
 159    char dest[512];
 160    snprintf( dest, 512, "%s/%s", vg_compiler.build_dir, bin_name );
 161
 162    if( !access( dest, F_OK ) )
 163       vg_build_syscall( "unlink %s", dest );
 164
 165    vg_build_syscall( "ln -srf %s %s", folder, dest );
 166 }
 167
 168 void vg_build_copy_graphics_dependencies(void)
 169 {
 170    if( vg_compiler.compiler == k_compiler_mingw )
 171    {
 172       vg_build_bin_dependency_file( "vg/dep/sdl/SDL2.dll" );
 173    }
 174 }
 175
 176 void vg_build_copy_game_dependencies(void)
 177 {
 178    vg_build_bin_dependency_file(
 179          "vg/submodules/SDL_GameControllerDB/gamecontrollerdb.txt" );
 180
 181    if( (vg_compiler.compiler == k_compiler_gcc) ||
 182        (vg_compiler.compiler == k_compiler_clang) )
 183    {
 184       vg_build_bin_dependency_file( "vg/dep/steam/libsteam_api.so" );
 185    }
 186    else
 187    {
 188       vg_build_bin_dependency_file( "vg/dep/steam/steam_api.dll" );
 189    }
 190 }
 191
 192 void vg_build_mode_release(void)
 193 {
 194    vg_compiler.optimization_profile = k_optimization_profile_release;
 195 }
 196
 197 void vg_build_mode_debug(void)
 198 {
 199    vg_compiler.optimization_profile = k_optimization_profile_debug;
 200 }
 201
 202 void vg_build_clean(void){
 203    vg_build_syscall( "rm -r %s", vg_compiler.build_dir );
 204 }
 205
 206 void vg_build(void)
 207 {
 208    char cmd[8192];
 209    cmd[0] = '\0';
 210
 211    /* Compiler */
 212    strcat( cmd, "ccache " );
 213    strcat( cmd, vg_compiler_str() );
 214    strcat( cmd, " -std=gnu99 -D_REENTRANT \\\n" );
 215
 216    /* Debugging information */
 217    if( vg_compiler.optimization_profile == k_optimization_profile_debug )
 218    {
 219       strcat( cmd, "   -O0 -ggdb3 -fno-omit-frame-pointer " );
 220
 221       if( (vg_compiler.compiler == k_compiler_gcc) ||
 222           (vg_compiler.compiler == k_compiler_clang ) )
 223       {
 224          strcat( cmd, "-rdynamic -fsanitize=address "
 225                       "-fPIE -fstack-protector-strong " );
 226       }
 227
 228       strcat( cmd, "\\\n" );
 229    }
 230    else
 231    {
 232       strcat( cmd, "   -O3 -DVG_RELEASE\\\n" );
 233    }
 234
 235    /* Warnings */
 236    strcat( cmd,
 237       "   -Wall\\\n"
 238       "    -Wno-unused-function -Wno-unused-variable -Wno-format-truncation\\\n"
 239       "    -Wno-unused-command-line-argument -Wno-unused-but-set-variable\\\n"
 240    );
 241
 242    if( vg_compiler.compiler == k_compiler_clang ){
 243       strcat( cmd,
 244          "     -ferror-limit=5\\\n" );
 245    }
 246
 247    /* Include */
 248    strcat( cmd, "   " );
 249    strcat( cmd, vg_compiler.include );
 250    strcat( cmd, "\\\n" );
 251
 252    /* Library */
 253    strcat( cmd, "   " );
 254    strcat( cmd, vg_compiler.library );
 255    strcat( cmd, "\\\n" );
 256
 257    /* Targets */
 258    strcat( cmd, "   " );
 259    strcat( cmd, vg_compiler.file );
 260    strcat( cmd, "\\\n" );
 261
 262    /* Output */
 263    strcat( cmd, "   -o " );
 264    vg_compiler.executable[0] = '\0';
 265    strcat( vg_compiler.executable, vg_compiler.build_dir );
 266    strcat( vg_compiler.executable, "/" );
 267    strcat( vg_compiler.executable, vg_compiler.name );
 268
 269    if( vg_compiler.compiler == k_compiler_mingw )
 270       strcat( vg_compiler.executable, ".exe" );
 271
 272    strcat( cmd, vg_compiler.executable );
 273    strcat( cmd, "\\\n" );
 274
 275    /* Link */
 276    strcat( cmd, "   " );
 277    strcat( cmd, vg_compiler.link );
 278    strcat( cmd, "\\\n" );
 279
 280    strcat( cmd, "   -Wl,-rpath=./" );
 281
 282    vg_build_syscall( cmd );
 283 }