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