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build: never use pkg-config to link system libraries (#217)

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Every library we want to link against is either provided by the Zig
toolchain or part of our SDK. Therefore, using pkg-config to link
against libraries on the host system is never what we intend.

To fix this, use linkSystemLibraryName() everywhere instead of
linkSystemLibrary() as the latter integrates with pkg-config while the
former just passes -lfoo to the zig compiler.

In combination with Zig commit 38d6e1d8a8 fixing an std.build bug,
this change fixes the linking of the necessary X11 libraries on my
x86_64 glibc based Void Linux system.
This commit is contained in:
Isaac Freund 2022-04-12 21:08:30 +02:00 • committed by GitHub
parent f2ce208aa1
commit 02e357ab44
Failed to generate hash of commit
2 changed files with 25 additions and 25 deletions
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26
glfw/build.zig
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@ -115,14 +115,14 @@ fn linkGLFWDependencies(b: *Builder, step: *std.build.LibExeObjStep, options: Op
const target = (std.zig.system.NativeTargetInfo.detect(b.allocator, step.target) catch unreachable).target;
switch (target.os.tag) {
.windows => {
step.linkSystemLibrary("gdi32");
step.linkSystemLibrary("user32");
step.linkSystemLibrary("shell32");
step.linkSystemLibraryName("gdi32");
step.linkSystemLibraryName("user32");
step.linkSystemLibraryName("shell32");
if (options.opengl) {
step.linkSystemLibrary("opengl32");
step.linkSystemLibraryName("opengl32");
}
if (options.gles) {
step.linkSystemLibrary("GLESv3");
step.linkSystemLibraryName("GLESv3");
}
},
.macos => {
@ -134,7 +134,7 @@ fn linkGLFWDependencies(b: *Builder, step: *std.build.LibExeObjStep, options: Op
if (options.opengl) {
step.linkFramework("OpenGL");
}
step.linkSystemLibrary("objc");
step.linkSystemLibraryName("objc");
step.linkFramework("AppKit");
step.linkFramework("CoreServices");
step.linkFramework("CoreGraphics");
@ -144,20 +144,20 @@ fn linkGLFWDependencies(b: *Builder, step: *std.build.LibExeObjStep, options: Op
// Assume Linux-like
switch (options.linux_window_manager) {
.X11 => {
step.linkSystemLibrary("X11");
step.linkSystemLibrary("xcb");
step.linkSystemLibrary("Xau");
step.linkSystemLibrary("Xdmcp");
step.linkSystemLibraryName("X11");
step.linkSystemLibraryName("xcb");
step.linkSystemLibraryName("Xau");
step.linkSystemLibraryName("Xdmcp");
},
.Wayland => step.linkSystemLibrary("wayland-client"),
.Wayland => step.linkSystemLibraryName("wayland-client"),
}
// Note: no need to link against vulkan, GLFW finds it dynamically at runtime.
// https://www.glfw.org/docs/3.3/vulkan_guide.html#vulkan_loader
if (options.opengl) {
step.linkSystemLibrary("GL");
step.linkSystemLibraryName("GL");
}
if (options.gles) {
step.linkSystemLibrary("GLESv3");
step.linkSystemLibraryName("GLESv3");
}
},
}