Squashed 'third_party/glog/' content from commit 9ef754a3023

git-subtree-dir: third_party/glog
git-subtree-split: 9ef754a3023e6fd10f20fe53dfca96dd898182e3

1 files changed, 246 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
new file mode 100644
index 000000000000..80005c267e53
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,246 @@
+## Process this file with autoconf to produce configure.
+## In general, the safest way to proceed is to run the following:
+##    % aclocal -I . -I `pwd`/../autoconf && autoheader && autoconf && automake
+
+# make sure we're interpreted by some minimal autoconf
+AC_PREREQ(2.57)
+
+AC_INIT(glog, 0.4.0, opensource@google.com)
+# The argument here is just something that should be in the current directory
+# (for sanity checking)
+AC_CONFIG_SRCDIR(README.md)
+AC_CONFIG_MACRO_DIR([m4])
+AM_INIT_AUTOMAKE
+AM_CONFIG_HEADER(src/config.h)
+
+AC_LANG(C++)
+
+# Checks for programs.
+AC_PROG_CC
+AC_PROG_CPP
+AC_PROG_CXX
+AM_CONDITIONAL(GCC, test "$GCC" = yes)   # let the Makefile know if we're gcc
+
+AC_PROG_LIBTOOL
+AC_SUBST(LIBTOOL_DEPS)
+
+# Check whether some low-level functions/files are available
+AC_HEADER_STDC
+
+# These are tested for by AC_HEADER_STDC, but I check again to set the var
+AC_CHECK_HEADER(stdint.h, ac_cv_have_stdint_h=1, ac_cv_have_stdint_h=0)
+AC_CHECK_HEADER(sys/types.h, ac_cv_have_systypes_h=1, ac_cv_have_systypes_h=0)
+AC_CHECK_HEADER(inttypes.h, ac_cv_have_inttypes_h=1, ac_cv_have_inttypes_h=0)
+AC_CHECK_HEADER(pwd.h, ac_cv_have_pwd_h=1, ac_cv_have_pwd_h=0)
+AC_CHECK_HEADERS(unistd.h, ac_cv_have_unistd_h=1, ac_cv_have_unistd_h=0)
+AC_CHECK_HEADERS(syscall.h)
+AC_CHECK_HEADERS(sys/syscall.h)
+# For backtrace with glibc.
+AC_CHECK_HEADERS(execinfo.h)
+# For backtrace with libunwind.
+AC_CHECK_HEADERS(libunwind.h, ac_cv_have_libunwind_h=1, ac_cv_have_libunwind_h=0)
+AC_CHECK_HEADERS(ucontext.h)
+AC_CHECK_HEADERS(sys/utsname.h)
+AC_CHECK_HEADERS(pwd.h)
+AC_CHECK_HEADERS(syslog.h)
+AC_CHECK_HEADERS(sys/time.h)
+AC_CHECK_HEADERS(glob.h)
+# For backtrace with gcc.
+AC_CHECK_HEADERS(unwind.h)
+
+AC_CHECK_HEADER(windows.h, ac_cv_have_windows_h=1, ac_cv_have_windows_h=0)
+if test x"$ac_cv_have_windows_h" = x"1"; then
+  MINGW_CFLAGS=-Isrc/windows
+fi
+
+AC_CHECK_SIZEOF(void *)
+
+# These are the types I need.  We look for them in either stdint.h,
+# sys/types.h, or inttypes.h, all of which are part of the default-includes.
+AC_CHECK_TYPE(uint16_t, ac_cv_have_uint16_t=1, ac_cv_have_uint16_t=0)
+AC_CHECK_TYPE(u_int16_t, ac_cv_have_u_int16_t=1, ac_cv_have_u_int16_t=0)
+AC_CHECK_TYPE(__uint16, ac_cv_have___uint16=1, ac_cv_have___uint16=0)
+
+AC_CHECK_FUNC(sigaltstack,
+              AC_DEFINE(HAVE_SIGALTSTACK, 1,
+                        [Define if you have the `sigaltstack' function]))
+AC_CHECK_FUNC(sigaction,
+              AC_DEFINE(HAVE_SIGACTION, 1,
+                        [Define if you have the 'sigaction' function]))
+AC_CHECK_FUNC(dladdr,
+              AC_DEFINE(HAVE_DLADDR, 1,
+                        [Define if you have the `dladdr' function]))
+AC_CHECK_FUNC(fcntl,
+              AC_DEFINE(HAVE_FCNTL, 1,
+                        [Define if you have the `fcntl' function]))
+AC_CHECK_FUNC(pread,
+              AC_DEFINE(HAVE_PREAD, 1,
+                        [Define if you have the 'pread' function]))
+AC_CHECK_FUNC(pwrite,
+              AC_DEFINE(HAVE_PWRITE, 1,
+                        [Define if you have the 'pwrite' function]))
+
+AX_C___ATTRIBUTE__
+# We only care about these two attributes.
+if test x"$ac_cv___attribute__" = x"yes"; then
+  ac_cv___attribute___noreturn="__attribute__ ((noreturn))"
+  ac_cv___attribute___noinline="__attribute__ ((noinline))"
+  ac_cv___attribute___printf_4_5="__attribute__((__format__ (__printf__, 4, 5)))"
+else
+  ac_cv___attribute___noreturn=
+  ac_cv___attribute___noinline=
+  ac_cv___attribute___printf_4_5=
+fi
+
+AX_C___BUILTIN_EXPECT
+if test x"$ac_cv___builtin_expect" = x"yes"; then
+  ac_cv_have___builtin_expect=1
+else
+  ac_cv_have___builtin_expect=0
+fi
+
+AX_C___SYNC_VAL_COMPARE_AND_SWAP
+
+# On x86_64, instead of libunwind, we can choose to compile with frame-pointers
+# (This isn't needed on i386, where -fno-omit-frame-pointer is the default).
+AC_ARG_ENABLE(frame_pointers,
+              AS_HELP_STRING([--enable-frame-pointers],
+                             [On x86_64 systems, compile with -fno-omit-frame-pointer (see INSTALL)]),,
+              enable_frame_pointers=no)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [return __x86_64__ == 1 ? 0 : 1])],
+                  [is_x86_64=yes], [is_x86_64=no])
+AM_CONDITIONAL(ENABLE_FRAME_POINTERS, test "$enable_frame_pointers" = yes)
+AM_CONDITIONAL(X86_64, test "$is_x86_64" = yes)
+
+AC_ARG_ENABLE(rtti,
+              AS_HELP_STRING([--disable-rtti],
+                             [Disable RTTI in glog]))
+AM_CONDITIONAL(DISABLE_RTTI, test x"$enable_rtti" = x"no")
+if test x"$enable_rtti" = x"no"; then
+  AC_DEFINE(DISABLE_RTTI, 1, [define if glog doesn't use RTTI])
+fi
+
+# Some of the code in this directory depends on pthreads
+ACX_PTHREAD
+if test x"$acx_pthread_ok" = x"yes"; then
+  # To make libglog depend on libpthread on Linux, we need to add
+  # -lpthread in addition to -pthread.
+  AC_CHECK_LIB(pthread, pthread_self)
+fi
+
+# Check if there is google-gflags library installed.
+SAVE_CFLAGS="$CFLAGS"
+SAVE_LIBS="$LIBS"
+AC_ARG_WITH(gflags, AS_HELP_STRING[--with-gflags=GFLAGS_DIR],
+  GFLAGS_CFLAGS="-I${with_gflags}/include"
+  GFLAGS_LIBS="-L${with_gflags}/lib -lgflags"
+  CFLAGS="$CFLAGS $GFLAGS_CFLAGS"
+  LIBS="$LIBS $GFLAGS_LIBS"
+)
+AC_CHECK_LIB(gflags, main, ac_cv_have_libgflags=1, ac_cv_have_libgflags=0)
+if test x"$ac_cv_have_libgflags" = x"1"; then
+  AC_DEFINE(HAVE_LIB_GFLAGS, 1, [define if you have google gflags library])
+  if test x"$GFLAGS_LIBS" = x""; then
+    GFLAGS_LIBS="-lgflags"
+  fi
+else
+  GFLAGS_CFLAGS=
+  GFLAGS_LIBS=
+fi
+CFLAGS="$SAVE_CFLAGS"
+LIBS="$SAVE_LIBS"
+
+# TODO(hamaji): Use official m4 macros provided by testing libraries
+#               once the m4 macro of Google Mocking becomes ready.
+# Check if there is Google Test library installed.
+AC_CHECK_PROG(GTEST_CONFIG, gtest-config, "yes")
+AC_CHECK_LIB(gtest, main, have_gtest_lib="yes")
+if test x"$GTEST_CONFIG" = "xyes" -a x"$have_gtest_lib" = "xyes"; then
+  GTEST_CFLAGS=`gtest-config --cppflags --cxxflags`
+  GTEST_LIBS=`gtest-config --ldflags --libs`
+  AC_DEFINE(HAVE_LIB_GTEST, 1, [define if you have google gtest library])
+
+  # Check if there is Google Mocking library installed.
+  AC_CHECK_PROG(GMOCK_CONFIG, gmock-config, "yes")
+  if test x"$GMOCK_CONFIG" = "xyes"; then
+    GMOCK_CFLAGS=`gmock-config --cppflags --cxxflags`
+    GMOCK_LIBS=`gmock-config --ldflags --libs`
+    AC_DEFINE(HAVE_LIB_GMOCK, 1, [define if you have google gmock library])
+  else
+    # We don't run test cases which use Google Mocking framework.
+    GMOCK_CFLAGS=
+    GMOCK_LIBS=
+  fi
+else
+  # We'll use src/googletest.h for our unittests.
+  GTEST_CFLAGS=
+  GTEST_LIBS=
+fi
+AM_CONDITIONAL(HAVE_GMOCK, test x"$GMOCK_CONFIG" = "xyes")
+
+# We want to link in libunwind if it exists
+UNWIND_LIBS=
+# Unfortunately, we need to check the header file in addition to the
+# lib file to check if libunwind is available since libunwind-0.98
+# doesn't install all necessary header files.
+if test x"$ac_cv_have_libunwind_h" = x"1"; then
+ AC_CHECK_LIB(unwind, backtrace, UNWIND_LIBS=-lunwind)
+fi
+AC_SUBST(UNWIND_LIBS)
+if test x"$UNWIND_LIBS" != x""; then
+  AC_DEFINE(HAVE_LIB_UNWIND, 1, [define if you have libunwind])
+fi
+
+# We'd like to use read/write locks in several places in the code.
+# See if our pthreads support extends to that.  Note: for linux, it
+# does as long as you define _XOPEN_SOURCE appropriately.
+AC_RWLOCK
+
+# Find out what namespace 'normal' STL code lives in, and also what namespace
+# the user wants our classes to be defined in
+AC_CXX_STL_NAMESPACE
+AC_DEFINE_GOOGLE_NAMESPACE(google)
+
+AC_CXX_USING_OPERATOR
+
+AC_PC_FROM_UCONTEXT(AC_MSG_WARN(Could not find the PC.  Will not output failed addresses...))
+
+AC_DEFINE_UNQUOTED(TEST_SRC_DIR, "$srcdir", [location of source code])
+
+AC_ARG_ENABLE(unsymbolized-traces,
+              AS_HELP_STRING([--enable-unsymbolized-traces],
+                             [Print file offsets in traces instead of symbolizing.]),
+              enable_unsymbolized_traces=yes)
+if test x"$enable_unsymbolized_traces" = x"yes"; then
+  AC_DEFINE(PRINT_UNSYMBOLIZED_STACK_TRACES, 1,
+            [define if we should print file offsets in traces instead of symbolizing.])
+fi
+
+# These are what's needed by logging.h.in and raw_logging.h.in
+AC_SUBST(ac_google_start_namespace)
+AC_SUBST(ac_google_end_namespace)
+AC_SUBST(ac_google_namespace)
+AC_SUBST(ac_cv_cxx_using_operator)
+AC_SUBST(ac_cv___attribute___noreturn)
+AC_SUBST(ac_cv___attribute___noinline)
+AC_SUBST(ac_cv___attribute___printf_4_5)
+AC_SUBST(ac_cv_have___builtin_expect)
+AC_SUBST(ac_cv_have_stdint_h)
+AC_SUBST(ac_cv_have_systypes_h)
+AC_SUBST(ac_cv_have_inttypes_h)
+AC_SUBST(ac_cv_have_unistd_h)
+AC_SUBST(ac_cv_have_uint16_t)
+AC_SUBST(ac_cv_have_u_int16_t)
+AC_SUBST(ac_cv_have___uint16)
+AC_SUBST(ac_cv_have_libgflags)
+AC_SUBST(GFLAGS_CFLAGS)
+AC_SUBST(GTEST_CFLAGS)
+AC_SUBST(GMOCK_CFLAGS)
+AC_SUBST(MINGW_CFLAGS)
+AC_SUBST(GFLAGS_LIBS)
+AC_SUBST(GTEST_LIBS)
+AC_SUBST(GMOCK_LIBS)
+
+# Write generated configuration file
+AC_CONFIG_FILES([Makefile src/glog/logging.h src/glog/raw_logging.h src/glog/vlog_is_on.h src/glog/stl_logging.h])
+AC_OUTPUT(libglog.pc)