Add ability to postprocess static libraries during the build.

commit_hash:792b08e2ac7c31269c1d0f21ab6ec2e062d67643

Author: pg

build/conf/linkers/ld.conf

@@ -345,15 +345,22 @@ LINK_EXEC_DYN_LIB=\
     $DWARF_COMMAND && \
     $LINK_ADDITIONAL_SECTIONS_COMMAND
 
+_LD_ARCHIVER_KV_PLUGIN=
+when ($_AR_PLUGIN != "") {
+    _LD_ARCHIVER_KV_PLUGIN=--plugin ${input:_AR_PLUGIN}
+}
+
 _LD_LINK_LIB_EXTRA_INPUT=
 _LD_TAIL_LINK_LIB=$AUTO_INPUT $_LD_LINK_LIB_EXTRA_INPUT ${hide;kv:"p AR"} $TOOLCHAIN_ENV ${hide;kv:"pc light-red"} ${hide;kv:"show_out"}
-_LD_ARCHIVER=$YMAKE_PYTHON ${input:"build/scripts/link_lib.py"} ${quo:AR_TOOL} $AR_TYPE $_LD_LLVM_AR_FORMAT $ARCADIA_BUILD_ROOT $_LD_AR_PLUGIN
+_LD_ARCHIVER=$YMAKE_PYTHON ${input:"build/scripts/link_lib.py"} ${quo:AR_TOOL} $AR_TYPE $_LD_LLVM_AR_FORMAT $ARCADIA_BUILD_ROOT $_LD_AR_PLUGIN -- $_LD_ARCHIVER_KV_PLUGIN --
+
 when ($MAPSMOBI_BUILD_TARGET == "yes") {
     _LD_ARCHIVER+= "no-openssl3"
-} 
+}
 otherwise {
     _LD_ARCHIVER+= "enable-openssl3"
 }
+
 _LD_LIB_GENERATE_MF=$GENERATE_MF &&
 when ($TIDY == "yes") {
     _LD_ARCHIVER=$YMAKE_PYTHON ${input:"build/scripts/clang_tidy_arch.py"} --source-root $ARCADIA_ROOT --build-root $ARCADIA_BUILD_ROOT --output-file

build/scripts/link_lib.py

@@ -1,12 +1,25 @@
+from __future__ import print_function
+
 import sys
 import subprocess
 import tempfile
 import os
 import shutil
+import argparse
 
 
 class Opts(object):
     def __init__(self, args):
+        kvs = args.index('--')
+        kve = args.index('--', kvs + 1)
+        kv = args[kvs + 1:kve]
+        args = args[:kvs] + args[kve + 1:]
+
+        parser = argparse.ArgumentParser()
+        parser.add_argument('--plugin')
+        kvargs = parser.parse_args(kv)
+
+        self.ar_plugin = kvargs.plugin
         self.archiver = args[0]
         self.arch_type = args[1]
         self.llvm_ar_format = args[2]
@@ -165,3 +178,6 @@ def call():
 
     if opts.enable_openssl3 != 'no-openssl3' and os.path.basename(opts.output) in ['libcontrib-libs-openssl.a', 'liblibs-openssl-crypto.a']:
         rename_syms(os.path.dirname(opts.archiver) + '/', opts.output)
+
+    if opts.ar_plugin:
+        subprocess.check_call([sys.executable, opts.ar_plugin, opts.output, '--'] + sys.argv[1:])

build/ymake.core.conf

@@ -3136,6 +3136,10 @@ macro _SRC_f_old(SRC, SRCFLAGS...) {
     .CMD=$YMAKE_PYTHON ${input:"build/scripts/f2c.py"} -t ${tool:"contrib/tools/f2c"} -c ${input:SRC} -o ${output:SRC.c} ${hide;output_include:"f2c.h"} ${hide;kv:"p FT"} ${hide;kv:"pc light-green"}
 }
 
+macro AR_PLUGIN(name) {
+    SET(_AR_PLUGIN $name.pyplugin)
+}
+
 macro LD_PLUGIN(name) {
     SRCS(GLOBAL $name.pyplugin)
 }