Andrew Kelley 4616af0ca4 introduce operating system version ranges as part of the target ... * re-introduce `std.build.Target` which is distinct from `std.Target`. `std.build.Target` wraps `std.Target` so that it can be annotated as "the native target" or an explicitly specified target. * `std.Target.Os` is moved to `std.Target.Os.Tag`. The former is now a struct which has the tag as well as version range information. * `std.elf` gains some more ELF header constants. * `std.Target.parse` gains the ability to parse operating system version ranges as well as glibc version. * Added `std.Target.isGnuLibC()`. * self-hosted dynamic linker detection and glibc version detection. This also adds the improved logic using `/usr/bin/env` rather than invoking the system C compiler to find the dynamic linker when zig is statically linked. Related: #2084 Note: this `/usr/bin/env` code is work-in-progress. * `-target-glibc` CLI option is removed in favor of the new `-target` syntax. Example: `-target x86_64-linux-gnu.2.27` closes #1907		2020-02-28 14:51:53 -05:00
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check_file.zig	rework and improve some of the zig build steps	2020-01-05 02:19:22 -05:00
emit_raw.zig	Add InstallRawStep to Zig build system that does a similar job to llvm-objcopy. To use it, do 'exe.installRaw("kernel.bin");' where exe is a LibExeObjStep	2020-02-03 15:07:34 -05:00
fmt.zig	mv std/ lib/	2019-09-25 23:35:41 -04:00
run.zig	introduce operating system version ranges as part of the target	2020-02-28 14:51:53 -05:00
translate_c.zig	test harness: show annotated case name when translate-c test fails	2020-01-07 13:40:17 -05:00
write_file.zig	rework and improve some of the zig build steps	2020-01-05 02:19:22 -05:00