diff options
Diffstat (limited to 'meson.build')
| -rw-r--r-- | meson.build | 100 |
1 files changed, 63 insertions, 37 deletions
diff --git a/meson.build b/meson.build index 0f528a2..e063136 100644 --- a/meson.build +++ b/meson.build @@ -16,45 +16,75 @@ cpp = meson.get_compiler('cpp') # Dependencies (pre-built in /usr/local by Containerfile) # ============================================================================= -# SDL3 -- windowing + input (system package) -sdl3_dep = dependency('sdl3', required: true) - -# bgfx -- GPU rendering (built from source in Containerfile) -# CMake on Fedora installs to lib64 -bgfx_dep = cpp.find_library('bgfx', dirs: ['/usr/local/lib64', '/usr/local/lib']) -bimg_dep = cpp.find_library('bimg', dirs: ['/usr/local/lib64', '/usr/local/lib']) -bx_dep = cpp.find_library('bx', dirs: ['/usr/local/lib64', '/usr/local/lib']) +fs = import('fs') -# Box2D v3 -- physics engine (built from source in Containerfile) -box2d_dep = cpp.find_library('box2d', dirs: ['/usr/local/lib64', '/usr/local/lib']) +# A source-built /usr/local (what the container ships) provides the heavier +# libraries. On a stock system these paths are absent, so everything below falls +# back to system packages. include_directories() errors on a missing directory, +# hence the guard. +# +# NOTE: add /usr/local/include as a whole, never /usr/local/include/bx etc. +# individually. sys/types.h includes <endian.h>, which collides with bx's +# endian.h if -I.../include/bx is on the path. +local_incs = [] +if fs.is_dir('/usr/local/include') + local_incs += include_directories('/usr/local/include') +endif +usr_local_libdirs = ['/usr/local/lib64', '/usr/local/lib', '/usr/local/lib/static'] -# SoLoud -- audio engine (built from source in Containerfile) -soloud_dep = cpp.find_library('soloud', dirs: ['/usr/local/lib64', '/usr/local/lib']) +# --- Libraries the code actually compiles against --------------------------- -# ENet -- networking (built from source in Containerfile) -enet_dep = cpp.find_library('enet', dirs: ['/usr/local/lib/static', '/usr/local/lib64', '/usr/local/lib']) +# SDL3 -- windowing + input. System pkg-config on every target. +sdl3_dep = dependency('sdl3', required: true) -# IMPORTANT: only add /usr/local/include, NOT /usr/local/include/bx etc. -# as individual paths. sys/types.h does #include <endian.h> and would -# collide with bx/endian.h if -I/usr/local/include/bx is in the path. -local_inc = include_directories('/usr/local/include') +# glm -- header-only math. pkg-config where available, else rely on the include +# path (headers in /usr/include or the guarded /usr/local/include). +glm_dep = dependency('glm', required: false) +if not glm_dep.found() + glm_dep = declare_dependency() +endif -# Lua -- scripting. Linked STATICALLY from /usr/local/lib/liblua.a (built in the -# Containerfile) so the binary needs no liblua .so at runtime and runs on the -# host regardless of its distro's lua soname. Headers come from /usr/local/include. -lua_static = cpp.find_library('lua', dirs: ['/usr/local/lib'], static: true, required: true) -m_dep = cpp.find_library('m', required: false) -dl_dep = cpp.find_library('dl', required: false) -lua_dep = declare_dependency(dependencies: [lua_static, m_dep, dl_dep]) +# sol2 -- header-only Lua bindings. Headers resolve via the include path +# (/usr/include/sol system/AUR, or /usr/local/include/sol in the container). +sol2_dep = declare_dependency() -# glm -- math (system package) -glm_dep = dependency('glm', required: true) +# Lua 5.4. Container: a STATIC liblua.a in /usr/local/lib, so the binary carries +# Lua and runs on any host regardless of its liblua soname. Native build: the +# system Lua 5.4 (dynamic linking is fine when built and run on the same box). +lua_static = cpp.find_library('lua', dirs: ['/usr/local/lib'], static: true, required: false) +if lua_static.found() + m_dep = cpp.find_library('m', required: false) + dl_dep = cpp.find_library('dl', required: false) + lua_dep = declare_dependency(dependencies: [lua_static, m_dep, dl_dep]) +else + lua_dep = dependency('lua5.4', 'lua54', 'lua-5.4', required: false) + if not lua_dep.found() + lua_dep = dependency('lua', required: true) + endif +endif -# sol2 -- Lua C++ bindings (header-only, installed to /usr/local/include) -sol2_dep = declare_dependency(include_directories: '/usr/local/include') +# Box2D v3 -- physics. Idle for now, but physics.cpp compiles against its header. +# Try /usr/local (container), then pkg-config/cmake, then a plain system lib. +box2d_dep = cpp.find_library('box2d', dirs: usr_local_libdirs, required: false) +if not box2d_dep.found() + box2d_dep = dependency('box2d', required: false) +endif +if not box2d_dep.found() + box2d_dep = cpp.find_library('box2d', required: true) +endif -# EnTT -- ECS (header-only, installed to /usr/local/include) -entt_dep = declare_dependency(include_directories: '/usr/local/include') +# --- Declared but not yet wired up ------------------------------------------ +# bgfx/SoLoud/ENet/EnTT belong to the planned stack, but no source file +# #includes them yet (the live renderer is SDL_Renderer; physics/audio/net are +# idle). Link them only if a source build has provided them; a stock system +# build simply skips them. Promote each to a real dependency when it is wired up. +optional_deps = [] +foreach libname : ['bgfx', 'bimg', 'bx', 'soloud', 'enet'] + found = cpp.find_library(libname, dirs: usr_local_libdirs, required: false) + if found.found() + optional_deps += found + endif +endforeach # ImGui -- skipped for M0, added when debug UI is needed @@ -96,18 +126,14 @@ engine_src = [ engine_deps = [ sdl3_dep, - bgfx_dep, bimg_dep, bx_dep, box2d_dep, - soloud_dep, - enet_dep, lua_dep, glm_dep, sol2_dep, - entt_dep, imgui_dep, -] +] + optional_deps -extra_inc = [local_inc, stb_inc] +extra_inc = local_incs + [stb_inc] # Required by bx/bgfx (normally set by cmake targets; we need them manually # since we link raw .a files). |