| import os |
| |
| c, link = emk.module("c", "link") |
| |
| default_compile_flags = ["-fvisibility=hidden", "-Wall", "-Wextra", "-Wshadow", "-Werror", "-Wno-missing-field-initializers", "-Wno-unused-parameter", \ |
| "-Wno-comment", "-Wno-unused", "-Wno-unknown-pragmas"] |
| default_link_flags = [] |
| opt_flags = {"dbg":[], "std":["-O2"], "max":["-O3"], "small":["-Os"]} |
| opt_link_flags = {"dbg":[], "std":[], "max":[], "small":[]} |
| c_flags = ["-std=c99"] |
| cxx_flags = ["-std=c++11", "-Wno-reorder", "-fno-rtti", "-fno-exceptions"] |
| c_link_flags = [] |
| cxx_link_flags = ["-fno-rtti", "-fno-exceptions"] |
| |
| def setup_build_dir(): |
| build_arch = None |
| if "arch" in emk.options: |
| build_arch = emk.options["arch"] |
| elif not emk.cleaning: |
| build_arch = "osx" |
| emk.options["arch"] = build_arch |
| |
| opt_level = None |
| if "opt" in emk.options: |
| level = emk.options["opt"] |
| if level in opt_flags: |
| opt_level = level |
| else: |
| emk.log.warning("Unknown optimization level '%s'" % (level)) |
| elif not emk.cleaning: |
| opt_level = "dbg" |
| emk.options["opt"] = opt_level |
| |
| dirs = ["__build__"] |
| if build_arch: |
| dirs.append(build_arch) |
| if opt_level: |
| dirs.append(opt_level) |
| emk.build_dir = os.path.join(*dirs) |
| |
| def setup_osx(): |
| global c |
| global link |
| |
| flags = [("-arch", "x86_64"), "-fno-common", "-Wnewline-eof", "-mmacosx-version-min=10.7", "-D__DARWIN_UNIX03=0"] |
| c.flags.extend(flags) |
| c.cxx.flags += ["-stdlib=libc++"] |
| link.cxx.flags += ["-stdlib=libc++"] |
| |
| link_flags = [("-arch", "x86_64"), "-mmacosx-version-min=10.7"] |
| link.local_flags.extend(link_flags) |
| |
| dylib_flags = [("-current_version", "1.0"), ("-compatibility_version", "1.0")] |
| link.local_libflags.extend(dylib_flags) |
| |
| def setup_avr(): |
| global c |
| global link |
| |
| c.compiler = c.GccCompiler("/Projects/avr-tools/bin/avr-") |
| c.flags += ["-mmcu=atmega256rfr2", "-ffunction-sections", "-fdata-sections"] |
| link.linker = link.GccLinker("/Projects/avr-tools/bin/avr-") |
| link.flags += ["-mmcu=atmega256rfr2", "-mrelax", "-Wl,--gc-sections"] |
| link.strip = True |
| |
| setup_build_dir() |
| |
| setup_funcs = {"osx":setup_osx, "avr":setup_avr} |
| |
| if not emk.cleaning: |
| build_arch = emk.options["arch"] |
| opt_level = emk.options["opt"] |
| |
| c.flags.extend(default_compile_flags) |
| c.flags.extend(opt_flags[opt_level]) |
| c.c.flags.extend(c_flags) |
| c.cxx.flags.extend(cxx_flags) |
| link.local_flags.extend(default_link_flags) |
| link.local_flags.extend(opt_link_flags[opt_level]) |
| link.c.local_flags.extend(c_link_flags) |
| link.cxx.local_flags.extend(cxx_link_flags) |
| |
| c.include_dirs.append("$:proj:$") |
| |
| if build_arch in setup_funcs: |
| setup_funcs[build_arch]() |
| else: |
| raise emk.BuildError("Unknown target arch '%s'" % (build_arch)) |
| |
| c.defines["TARGET_ARCH_" + build_arch.upper()] = 1 |