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1 # Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 # Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
5 # TODO(brettw) Use "gcc_toolchain.gni" like the Linux toolchains. This requires | 5 # TODO(brettw) Use "gcc_toolchain.gni" like the Linux toolchains. This requires |
6 # some enhancements since the commands on Mac are slightly different than on | 6 # some enhancements since the commands on Mac are slightly different than on |
7 # Linux. | 7 # Linux. |
8 | 8 |
9 import("../goma.gni") | 9 import("../goma.gni") |
10 import("//build/config/ios/ios_sdk.gni") | 10 import("//build/config/ios/ios_sdk.gni") |
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111 ] | 111 ] |
112 default_output_extension = ".a" | 112 default_output_extension = ".a" |
113 output_prefix = "lib" | 113 output_prefix = "lib" |
114 } | 114 } |
115 | 115 |
116 tool("solink") { | 116 tool("solink") { |
117 dylib = "{{root_out_dir}}/{{target_output_name}}{{output_extension}}" # e
g "./libfoo.dylib" | 117 dylib = "{{root_out_dir}}/{{target_output_name}}{{output_extension}}" # e
g "./libfoo.dylib" |
118 rspfile = dylib + ".rsp" | 118 rspfile = dylib + ".rsp" |
119 | 119 |
120 # These variables are not built into GN but are helpers that implement | 120 # These variables are not built into GN but are helpers that implement |
121 # (1) linking to produce a .so, (2) extracting the symbols from that file | 121 # (1) linking to produce a .dylib, (2) extracting the symbols from that |
122 # to a temporary file, (3) if the temporary file has differences from the | 122 # file to a temporary file, (3) if the temporary file has differences from |
123 # existing .TOC file, overwrite it, otherwise, don't change it. | 123 # the existing .TOC file, overwrite it, otherwise, don't change it. |
124 # | 124 # |
125 # As a special case, if the library reexports symbols from other dynamic | 125 # As a special case, if the library reexports symbols from other dynamic |
126 # libraries, we always update the .TOC and skip the temporary file and | 126 # libraries, we always update the .TOC and skip the temporary file and |
127 # diffing steps, since that library always needs to be re-linked. | 127 # diffing steps, since that library always needs to be re-linked. |
128 tocname = dylib + ".TOC" | 128 tocname = dylib + ".TOC" |
129 temporary_tocname = dylib + ".tmp" | 129 temporary_tocname = dylib + ".tmp" |
130 | 130 |
131 does_reexport_command = "[ ! -e $dylib -o ! -e $tocname ] || otool -l $dyl
ib | grep -q LC_REEXPORT_DYLIB" | 131 does_reexport_command = "[ ! -e $dylib -o ! -e $tocname ] || otool -l $dyl
ib | grep -q LC_REEXPORT_DYLIB" |
132 | 132 |
133 link_command = "$ld -shared {{ldflags}} -o $dylib -Wl,-filelist,$rspfile" | 133 link_command = "$ld -shared {{ldflags}} -o $dylib -Wl,-filelist,$rspfile" |
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250 } | 250 } |
251 | 251 |
252 mac_toolchain("x64") { | 252 mac_toolchain("x64") { |
253 toolchain_cpu = "x64" | 253 toolchain_cpu = "x64" |
254 toolchain_os = "mac" | 254 toolchain_os = "mac" |
255 cc = "${goma_prefix}/gcc" | 255 cc = "${goma_prefix}/gcc" |
256 cxx = "${goma_prefix}/g++" | 256 cxx = "${goma_prefix}/g++" |
257 ld = cxx | 257 ld = cxx |
258 is_clang = false | 258 is_clang = false |
259 } | 259 } |
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