Build with Bazel.

.gitignore

@@ -8,4 +8,5 @@ CMakeFiles/
 config.h
 *.sln
 *.vcxproj
-*.filters
\ No newline at end of file
+*.filters
+bazel-*

BUILD

+licenses(['notice'])
+
+load(':bazel/glog.bzl', 'glog_library')
+glog_library()

WORKSPACE

+git_repository(
+    name = "com_github_gflags_gflags",
+    remote = "https://github.com/gflags/gflags.git",
+    tag = 'v2.2.1',
+)
+
+bind(
+    name = "gflags",
+    actual = "@com_github_gflags_gflags//:gflags",
+)

bazel/glog.bzl

+# 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(with_gflags=1):
+    native.cc_library(
+        name = 'glog',
+        visibility = [ '//visibility:public' ],
+        srcs = [
+            'src/base/commandlineflags.h',
+            'src/base/googleinit.h',
+            'src/demangle.cc',
+            'src/logging.cc',
+            'src/raw_logging.cc',
+            'src/signalhandler.cc',
+            'src/symbolize.cc',
+            'src/utilities.cc',
+            'src/vlog_is_on.cc',
+        ],
+        hdrs = [
+            'src/base/mutex.h',
+            'src/demangle.h',
+            'src/stacktrace.h',
+            'src/symbolize.h',
+            'src/utilities.h',
+            'src/glog/log_severity.h',
+        ],
+        includes = [
+            'src',
+        ],
+        copts = [
+            # Disable warnings that exists in glog
+            '-Wno-sign-compare',
+            '-Wno-unused-local-typedefs',
+            ## Inject google namespace as 'google'
+            "-D_START_GOOGLE_NAMESPACE_='namespace google {'",
+            "-D_END_GOOGLE_NAMESPACE_='}'",
+            "-DGOOGLE_NAMESPACE='google'",
+            # Allows src/base/mutex.h to include pthread.h.
+            '-DHAVE_PTHREAD',
+            # Allows src/logging.cc to determine the host name.
+            '-DHAVE_SYS_UTSNAME_H',
+            # System header files enabler for src/utilities.cc
+            # Enable system calls from syscall.h
+            '-DHAVE_SYS_SYSCALL_H',
+            # Enable system calls from sys/time.h
+            '-DHAVE_SYS_TIME_H',
+            '-DHAVE_STDINT_H',
+            '-DHAVE_STRING_H',
+            # For logging.cc
+            '-DHAVE_PREAD',
+        ] + [
+            '-DHAVE_LIB_GFLAGS'
+        ] if with_gflags else [],
+        deps = [ ':internal_headers' ] + \
+                [ '//external:gflags' ] if with_gflags else [],
+    )
+
+    internal_headers = [
+        ':config_h',
+        ':logging_h',
+        ':raw_logging_h',
+        ':stl_logging_h',
+        ':vlog_is_on_h',
+    ]
+
+    if PACKAGE_NAME:
+        native.cc_library(
+            name = 'internal_headers',
+            hdrs = internal_headers,
+            includes = [
+	    		PACKAGE_NAME,
+            ],
+        )
+    else:
+        native.cc_library(
+            name = 'internal_headers',
+            hdrs = internal_headers,
+        )
+
+    native.genrule(
+        name = 'gen_sh',
+        outs = [
+            'gen.sh',
+        ],
+        cmd = '''
+#! /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 = [
+            '/'.join([PACKAGE_NAME, 'config.h']) if PACKAGE_NAME else 'config.h',
+        ],
+        cmd = "awk '{ gsub(/^#cmakedefine/, \"//cmakedefine\"); print; }' $(<) > $(@)",
+    )
+
+    native.genrule(
+        name = 'logging_h',
+        srcs = [
+            'src/glog/logging.h.in',
+        ],
+        outs = [
+            '/'.join([PACKAGE_NAME, 'glog/logging.h']) if PACKAGE_NAME else 'glog/logging.h',
+        ],
+        cmd = '$(location :gen_sh) < $(<) > $(@)',
+        tools = [':gen_sh'],
+    )
+
+    native.genrule(
+        name = 'raw_logging_h',
+        srcs = [
+            'src/glog/raw_logging.h.in',
+        ],
+        outs = [
+            '/'.join([PACKAGE_NAME, 'glog/raw_logging.h']) if PACKAGE_NAME else 'glog/raw_logging.h',
+        ],
+        cmd = '$(location :gen_sh) < $(<) > $(@)',
+        tools = [':gen_sh'],
+    )
+
+    native.genrule(
+        name = 'stl_logging_h',
+        srcs = [
+            'src/glog/stl_logging.h.in',
+        ],
+        outs = [
+            '/'.join([PACKAGE_NAME, 'glog/stl_logging.h']) if PACKAGE_NAME else 'glog/stl_logging.h',
+        ],
+        cmd = '$(location :gen_sh) < $(<) > $(@)',
+        tools = [':gen_sh'],
+    )
+
+    native.genrule(
+        name = 'vlog_is_on_h',
+        srcs = [
+            'src/glog/vlog_is_on.h.in',
+        ],
+        outs = [
+            '/'.join([PACKAGE_NAME, 'glog/vlog_is_on.h']) if PACKAGE_NAME else 'glog/vlog_is_on.h',
+        ],
+        cmd = '$(location :gen_sh) < $(<) > $(@)',
+        tools = [':gen_sh'],
+    )