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|
# Implement a macro glog_library() that the BUILD file can load.
# By default, glog is built with gflags support. You can change this behavior
# by using glog_library(with_gflags=0)
#
# This file is inspired by the following sample BUILD files:
# https://github.com/google/glog/issues/61
# https://github.com/google/glog/files/393474/BUILD.txt
def glog_library(namespace='google', with_gflags=1):
if native.repository_name() != '@':
gendir = '$(GENDIR)/external/' + native.repository_name().lstrip('@')
else:
gendir = '$(GENDIR)'
native.cc_library(
name = 'glog',
visibility = [ '//visibility:public' ],
srcs = [
':config_h',
'src/base/commandlineflags.h',
'src/base/googleinit.h',
'src/base/mutex.h',
'src/demangle.cc',
'src/demangle.h',
'src/logging.cc',
'src/raw_logging.cc',
'src/signalhandler.cc',
'src/stacktrace.h',
'src/stacktrace_generic-inl.h',
'src/stacktrace_libunwind-inl.h',
'src/stacktrace_powerpc-inl.h',
'src/stacktrace_windows-inl.h',
'src/stacktrace_x86-inl.h',
'src/stacktrace_x86_64-inl.h',
'src/symbolize.cc',
'src/symbolize.h',
'src/utilities.cc',
'src/utilities.h',
'src/vlog_is_on.cc',
],
hdrs = [
':logging_h',
':raw_logging_h',
':stl_logging_h',
':vlog_is_on_h',
'src/glog/log_severity.h',
],
strip_include_prefix = 'src',
copts = [
# Disable warnings that exists in glog.
'-Wno-sign-compare',
'-Wno-unused-function',
'-Wno-unused-local-typedefs',
'-Wno-unused-variable',
# Inject a C++ namespace.
"-D_START_GOOGLE_NAMESPACE_='namespace %s {'" % namespace,
"-D_END_GOOGLE_NAMESPACE_='}'",
"-DGOOGLE_NAMESPACE='%s'" % namespace,
# Allows src/base/mutex.h to include pthread.h.
'-DHAVE_PTHREAD',
# Allows src/logging.cc to determine the host name.
'-DHAVE_SYS_UTSNAME_H',
# For src/utilities.cc.
'-DHAVE_SYS_SYSCALL_H',
'-DHAVE_SYS_TIME_H',
'-DHAVE_STDINT_H',
'-DHAVE_STRING_H',
# Enable dumping stacktrace upon sigaction.
'-DHAVE_SIGACTION',
# For logging.cc.
'-DHAVE_PREAD',
# Include generated header files.
'-I%s/glog_internal' % gendir,
] + [
# Use gflags to parse CLI arguments.
'-DHAVE_LIB_GFLAGS',
] if with_gflags else [],
deps = [
'@com_github_gflags_gflags//:gflags',
] if with_gflags else [],
)
native.genrule(
name = 'gen_sh',
outs = [
'gen.sh',
],
cmd = r'''\
#!/bin/sh
cat > $@ <<"EOF"
sed -e 's/@ac_cv_have_unistd_h@/1/g' \
-e 's/@ac_cv_have_stdint_h@/1/g' \
-e 's/@ac_cv_have_systypes_h@/1/g' \
-e 's/@ac_cv_have_libgflags_h@/1/g' \
-e 's/@ac_cv_have_uint16_t@/1/g' \
-e 's/@ac_cv_have___builtin_expect@/1/g' \
-e 's/@ac_cv_have_.*@/0/g' \
-e 's/@ac_google_start_namespace@/namespace google {/g' \
-e 's/@ac_google_end_namespace@/}/g' \
-e 's/@ac_google_namespace@/google/g' \
-e 's/@ac_cv___attribute___noinline@/__attribute__((noinline))/g' \
-e 's/@ac_cv___attribute___noreturn@/__attribute__((noreturn))/g' \
-e 's/@ac_cv___attribute___printf_4_5@/__attribute__((__format__ (__printf__, 4, 5)))/g'
EOF
''',
)
native.genrule(
name = 'config_h',
srcs = [
'src/config.h.cmake.in',
],
outs = [
'glog_internal/src/config.h',
],
cmd = "awk '{ gsub(/^#cmakedefine/, \"//cmakedefine\"); print; }' $< > $@",
)
[native.genrule(
name = '%s_h' % f,
srcs = [
'src/glog/%s.h.in' % f,
],
outs = [
'src/glog/%s.h' % f,
],
cmd = '$(location :gen_sh) < $< > $@',
tools = [':gen_sh'],
) for f in [
'vlog_is_on',
'stl_logging',
'raw_logging',
'logging',
]
]
|
