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[linker] add --no-undefined, -z undefs

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Refs https://github.com/zigchroot/zig-chroot/issues/1
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Motiejus Jakštys
2022-06-23 06:41:30 +03:00
committed by Andrew Kelley
parent 438b71155a
commit 4c7ca20da5
1 changed files with 8 additions and 0 deletions
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8
src/main.zig
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@@ -488,10 +488,12 @@ const usage_build_generic =
\\ -fno-build-id (default) Saves a bit of time linking
\\ --eh-frame-hdr Enable C++ exception handling by passing --eh-frame-hdr to linker
\\ --emit-relocs Enable output of relocation sections for post build tools
\\ --no-undefined Alias of -z defs
\\ -z [arg] Set linker extension flags
\\ nodelete Indicate that the object cannot be deleted from a process
\\ notext Permit read-only relocations in read-only segments
\\ defs Force a fatal error if any undefined symbols remain
\\ undefs Reverse of -z defs
\\ origin Indicate that the object must have its origin processed
\\ nocopyreloc Disable the creation of copy relocations
\\ now (default) Force all relocations to be processed on load
@@ -1333,6 +1335,8 @@ fn buildOutputType(
linker_z_notext = true;
} else if (mem.eql(u8, z_arg, "defs")) {
linker_z_defs = true;
} else if (mem.eql(u8, z_arg, "undefs")) {
linker_z_defs = false;
} else if (mem.eql(u8, z_arg, "origin")) {
linker_z_origin = true;
} else if (mem.eql(u8, z_arg, "nocopyreloc")) {
@@ -1879,6 +1883,8 @@ fn buildOutputType(
linker_gc_sections = true;
} else if (mem.eql(u8, arg, "-dead_strip_dylibs")) {
dead_strip_dylibs = true;
} else if (mem.eql(u8, arg, "--no-undefined")) {
linker_z_defs = true;
} else if (mem.eql(u8, arg, "--gc-sections")) {
linker_gc_sections = true;
} else if (mem.eql(u8, arg, "--no-gc-sections")) {
@@ -1944,6 +1950,8 @@ fn buildOutputType(
linker_z_notext = true;
} else if (mem.eql(u8, z_arg, "defs")) {
linker_z_defs = true;
} else if (mem.eql(u8, z_arg, "undefs")) {
linker_z_defs = false;
} else if (mem.eql(u8, z_arg, "origin")) {
linker_z_origin = true;
} else if (mem.eql(u8, z_arg, "nocopyreloc")) {