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# ------------------------------------------------------------------------------
# Add native rules to configure source files
def gflags_sources(namespace=["google", "gflags"]):
native.genrule(
name = "gflags_declare_h",
srcs = ["src/gflags_declare.h.in"],
outs = ["gflags_declare.h"],
cmd = ("awk '{ " +
"gsub(/@GFLAGS_NAMESPACE@/, \"" + namespace[0] + "\"); " +
"gsub(/@(HAVE_STDINT_H|HAVE_SYS_TYPES_H|HAVE_INTTYPES_H|GFLAGS_INTTYPES_FORMAT_C99)@/, \"1\"); " +
"gsub(/@([A-Z0-9_]+)@/, \"0\"); " +
"print; }' $(<) > $(@)")
)
gflags_ns_h_files = []
for ns in namespace[1:]:
gflags_ns_h_file = "gflags_{}.h".format(ns)
native.genrule(
name = gflags_ns_h_file.replace('.', '_'),
srcs = ["src/gflags_ns.h.in"],
outs = [gflags_ns_h_file],
cmd = ("awk '{ " +
"gsub(/@ns@/, \"" + ns + "\"); " +
"gsub(/@NS@/, \"" + ns.upper() + "\"); " +
"print; }' $(<) > $(@)")
)
gflags_ns_h_files.append(gflags_ns_h_file)
native.genrule(
name = "gflags_h",
srcs = ["src/gflags.h.in"],
outs = ["gflags.h"],
cmd = ("awk '{ " +
"gsub(/@GFLAGS_ATTRIBUTE_UNUSED@/, \"\"); " +
"gsub(/@INCLUDE_GFLAGS_NS_H@/, \"" + '\n'.join(["#include \\\"gflags/{}\\\"".format(hdr) for hdr in gflags_ns_h_files]) + "\"); " +
"print; }' $(<) > $(@)")
)
native.genrule(
name = "gflags_completions_h",
srcs = ["src/gflags_completions.h.in"],
outs = ["gflags_completions.h"],
cmd = "awk '{ gsub(/@GFLAGS_NAMESPACE@/, \"" + namespace[0] + "\"); print; }' $(<) > $(@)"
)
hdrs = [":gflags_h", ":gflags_declare_h", ":gflags_completions_h"]
hdrs.extend([':' + hdr.replace('.', '_') for hdr in gflags_ns_h_files])
srcs = [
"src/config.h",
"src/gflags.cc",
"src/gflags_completions.cc",
"src/gflags_reporting.cc",
"src/mutex.h",
"src/util.h",
] + select({
"//:x64_windows": [
"src/windows_port.cc",
"src/windows_port.h",
],
"//conditions:default": [],
})
return [hdrs, srcs]
# ------------------------------------------------------------------------------
# Add native rule to build gflags library
def gflags_library(hdrs=[], srcs=[], threads=1):
name = "gflags"
copts = [
"-DGFLAGS_BAZEL_BUILD",
"-DGFLAGS_INTTYPES_FORMAT_C99",
"-DGFLAGS_IS_A_DLL=0",
# macros otherwise defined by CMake configured defines.h file
"-DHAVE_STDINT_H",
"-DHAVE_SYS_TYPES_H",
"-DHAVE_INTTYPES_H",
"-DHAVE_SYS_STAT_H",
"-DHAVE_STRTOLL",
"-DHAVE_STRTOQ",
"-DHAVE_RWLOCK",
] + select({
"//:x64_windows": [
"-DOS_WINDOWS",
],
"//conditions:default": [
"-DHAVE_UNISTD_H",
"-DHAVE_FNMATCH_H",
"-DHAVE_PTHREAD",
],
})
linkopts = []
if threads:
linkopts += select({
"//:x64_windows": [],
"//conditions:default": ["-lpthread"],
})
else:
name += "_nothreads"
copts += ["-DNO_THREADS"]
native.cc_library(
name = name,
hdrs = hdrs,
srcs = srcs,
copts = copts,
linkopts = linkopts,
visibility = ["//visibility:public"],
include_prefix = 'gflags'
)