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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 246 |
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) |