e6e2e1372a
This commit addresses a few issues:
1. No longer leak config.h in a way similar to
https://github.com/gflags/gflags/issues/233
The solution of prefixing the path by 'glog_internal' is modified from
https://github.com/gflags/gflags/issues/234
2. No longer expose internal headers.
3. Replace PACKAGE_NAME with native.package_name()
4. Uers can choose namespaces via the newly added 'namespace' keyword.
5. Replace glob with explicitly listing of files.
6. Make the genrules more compact using pythonic list construction.
140 lines
4.3 KiB
Python
140 lines
4.3 KiB
Python
# Implement a macro glog_library() that the BUILD file can load.
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# By default, glog is built with gflags support. You can change this behavior
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# by using glog_library(with_gflags=0)
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#
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# This file is inspired by the following sample BUILD files:
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# https://github.com/google/glog/issues/61
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# https://github.com/google/glog/files/393474/BUILD.txt
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def glog_library(namespace='google', with_gflags=1):
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if native.repository_name() != '@':
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gendir = '$(GENDIR)/external/' + native.repository_name().lstrip('@')
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else:
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gendir = '$(GENDIR)'
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native.cc_library(
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name = 'glog',
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visibility = [ '//visibility:public' ],
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srcs = [
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':config_h',
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'src/base/commandlineflags.h',
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'src/base/googleinit.h',
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'src/base/mutex.h',
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'src/demangle.cc',
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'src/demangle.h',
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'src/logging.cc',
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'src/raw_logging.cc',
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'src/signalhandler.cc',
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'src/stacktrace.h',
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'src/stacktrace_generic-inl.h',
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'src/stacktrace_libunwind-inl.h',
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'src/stacktrace_powerpc-inl.h',
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'src/stacktrace_windows-inl.h',
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'src/stacktrace_x86-inl.h',
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'src/stacktrace_x86_64-inl.h',
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'src/symbolize.cc',
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'src/symbolize.h',
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'src/utilities.cc',
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'src/utilities.h',
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'src/vlog_is_on.cc',
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],
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hdrs = [
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':logging_h',
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':raw_logging_h',
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':stl_logging_h',
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':vlog_is_on_h',
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'src/glog/log_severity.h',
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],
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textual_hdrs = [
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],
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strip_include_prefix = 'src',
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copts = [
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# Disable warnings that exists in glog.
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'-Wno-sign-compare',
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'-Wno-unused-function',
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'-Wno-unused-local-typedefs',
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'-Wno-unused-variable',
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# Inject a C++ namespace.
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"-D_START_GOOGLE_NAMESPACE_='namespace %s {'" % namespace,
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"-D_END_GOOGLE_NAMESPACE_='}'",
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"-DGOOGLE_NAMESPACE='%s'" % namespace,
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# Allows src/base/mutex.h to include pthread.h.
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'-DHAVE_PTHREAD',
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# Allows src/logging.cc to determine the host name.
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'-DHAVE_SYS_UTSNAME_H',
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# For src/utilities.cc.
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'-DHAVE_SYS_SYSCALL_H',
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'-DHAVE_SYS_TIME_H',
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'-DHAVE_STDINT_H',
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'-DHAVE_STRING_H',
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# Enable dumping stacktrace upon sigaction.
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'-DHAVE_SIGACTION',
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# For logging.cc.
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'-DHAVE_PREAD',
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# Include generated header files.
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'-I%s/glog_internal' % gendir,
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] + [
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# Use gflags to parse CLI arguments.
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'-DHAVE_LIB_GFLAGS',
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] if with_gflags else [],
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deps = [
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'@com_github_gflags_gflags//:gflags',
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] if with_gflags else [],
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)
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native.genrule(
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name = 'gen_sh',
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outs = [
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'gen.sh',
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],
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cmd = r'''\
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#!/bin/sh
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cat > $@ <<"EOF"
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sed -e 's/@ac_cv_have_unistd_h@/1/g' \
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-e 's/@ac_cv_have_stdint_h@/1/g' \
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-e 's/@ac_cv_have_systypes_h@/1/g' \
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-e 's/@ac_cv_have_libgflags_h@/1/g' \
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-e 's/@ac_cv_have_uint16_t@/1/g' \
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-e 's/@ac_cv_have___builtin_expect@/1/g' \
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-e 's/@ac_cv_have_.*@/0/g' \
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-e 's/@ac_google_start_namespace@/namespace google {/g' \
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-e 's/@ac_google_end_namespace@/}/g' \
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-e 's/@ac_google_namespace@/google/g' \
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-e 's/@ac_cv___attribute___noinline@/__attribute__((noinline))/g' \
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-e 's/@ac_cv___attribute___noreturn@/__attribute__((noreturn))/g' \
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-e 's/@ac_cv___attribute___printf_4_5@/__attribute__((__format__ (__printf__, 4, 5)))/g'
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EOF
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''',
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)
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native.genrule(
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name = 'config_h',
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srcs = [
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'src/config.h.cmake.in',
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],
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outs = [
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'glog_internal/src/config.h',
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],
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cmd = "awk '{ gsub(/^#cmakedefine/, \"//cmakedefine\"); print; }' $< > $@",
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)
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[native.genrule(
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name = '%s_h' % f,
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srcs = [
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'src/glog/%s.h.in' % f,
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],
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outs = [
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'src/glog/%s.h' % f,
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],
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cmd = '$(location :gen_sh) < $< > $@',
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tools = [':gen_sh'],
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) for f in [
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'vlog_is_on',
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'stl_logging',
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'raw_logging',
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'logging',
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]
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]
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