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add argument to Pkg().link to enable linking to system raylib

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This commit is contained in:
Jesse Rudolph 2020-05-24 06:04:21 -05:00
parent c6222a0913
commit 6ece4e99f0
2 changed files with 12 additions and 3 deletions
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4
build.zig
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@ -58,13 +58,15 @@ pub fn build(b: *Builder) void {
}; };
const examples_step = b.step("examples", "Builds all the examples"); const examples_step = b.step("examples", "Builds all the examples");
const system_lib = b.option(bool, "system-raylib", "link to preinstalled raylib libraries") orelse false;
for (examples) |ex| { for (examples) |ex| {
const exe = b.addExecutable(ex.name, ex.path); const exe = b.addExecutable(ex.name, ex.path);
exe.setBuildMode(mode); exe.setBuildMode(mode);
exe.setTarget(target); exe.setTarget(target);
raylib.link(exe); raylib.link(exe, system_lib);
raylib.addAsPackage("raylib", exe); raylib.addAsPackage("raylib", exe);
raylib.math.addAsPackage("raylib-math", exe); raylib.math.addAsPackage("raylib-math", exe);

9
lib.zig
View File

@ -4,12 +4,13 @@ const LibExeObjStep = std.build.LibExeObjStep;
pub fn Pkg(pkgdir: comptime []const u8) type { pub fn Pkg(pkgdir: comptime []const u8) type {
return struct { return struct {
pub fn link(exe: *LibExeObjStep) void { pub fn link(exe: *LibExeObjStep, system_lib: bool) void {
const raylibFlags = &[_][]const u8{ const raylibFlags = &[_][]const u8{
"-std=c99", "-std=c99",
"-DPLATFORM_DESKTOP", "-DPLATFORM_DESKTOP",
"-D_POSIX_C_SOURCE", "-D_POSIX_C_SOURCE",
}; };
if (exe.target.toTarget().os.tag == .windows) { if (exe.target.toTarget().os.tag == .windows) {
exe.linkSystemLibrary("winmm"); exe.linkSystemLibrary("winmm");
exe.linkSystemLibrary("gdi32"); exe.linkSystemLibrary("gdi32");
@ -19,6 +20,11 @@ pub fn Pkg(pkgdir: comptime []const u8) type {
} }
exe.linkLibC(); exe.linkLibC();
if (system_lib) {
exe.linkSystemLibrary("raylib");
return;
}
exe.addSystemIncludeDir(pkgdir ++ "/raylib/src"); exe.addSystemIncludeDir(pkgdir ++ "/raylib/src");
exe.addSystemIncludeDir(pkgdir ++ "/raylib/src/external/glfw/include"); exe.addSystemIncludeDir(pkgdir ++ "/raylib/src/external/glfw/include");
exe.addCSourceFile(pkgdir ++ "/raylib/src/core.c", raylibFlags); exe.addCSourceFile(pkgdir ++ "/raylib/src/core.c", raylibFlags);
@ -30,6 +36,7 @@ pub fn Pkg(pkgdir: comptime []const u8) type {
exe.addCSourceFile(pkgdir ++ "/raylib/src/textures.c", raylibFlags); exe.addCSourceFile(pkgdir ++ "/raylib/src/textures.c", raylibFlags);
exe.addCSourceFile(pkgdir ++ "/raylib/src/utils.c", raylibFlags); exe.addCSourceFile(pkgdir ++ "/raylib/src/utils.c", raylibFlags);
} }
pub fn addAsPackage(name: comptime []const u8, to: *LibExeObjStep) void { pub fn addAsPackage(name: comptime []const u8, to: *LibExeObjStep) void {
to.addPackagePath(name, pkgdir ++ "/lib/raylib-zig.zig"); to.addPackagePath(name, pkgdir ++ "/lib/raylib-zig.zig");
} }