1 ## Process this file with autoconf to produce configure.
2 ## In general, the safest way to proceed is to run the following:
3 ## % aclocal -I . -I `pwd`/../autoconf && autoheader && autoconf && automake
5 # make sure we're interpreted by some minimal autoconf
8 AC_INIT(glog, 0.3.5, opensource@google.com)
9 # The argument here is just something that should be in the current directory
10 # (for sanity checking)
11 AC_CONFIG_SRCDIR(README)
12 AC_CONFIG_MACRO_DIR([m4])
14 AM_CONFIG_HEADER(src/config.h)
18 # Checks for programs.
22 AM_CONDITIONAL(GCC, test "$GCC" = yes) # let the Makefile know if we're gcc
25 AC_SUBST(LIBTOOL_DEPS)
27 # Check whether some low-level functions/files are available
30 # These are tested for by AC_HEADER_STDC, but I check again to set the var
31 AC_CHECK_HEADER(stdint.h, ac_cv_have_stdint_h=1, ac_cv_have_stdint_h=0)
32 AC_CHECK_HEADER(sys/types.h, ac_cv_have_systypes_h=1, ac_cv_have_systypes_h=0)
33 AC_CHECK_HEADER(inttypes.h, ac_cv_have_inttypes_h=1, ac_cv_have_inttypes_h=0)
34 AC_CHECK_HEADER(pwd.h, ac_cv_have_pwd_h=1, ac_cv_have_pwd_h=0)
35 AC_CHECK_HEADERS(unistd.h, ac_cv_have_unistd_h=1, ac_cv_have_unistd_h=0)
36 AC_CHECK_HEADERS(syscall.h)
37 AC_CHECK_HEADERS(sys/syscall.h)
38 # For backtrace with glibc.
39 AC_CHECK_HEADERS(execinfo.h)
40 # For backtrace with libunwind.
41 AC_CHECK_HEADERS(libunwind.h, ac_cv_have_libunwind_h=1, ac_cv_have_libunwind_h=0)
42 AC_CHECK_HEADERS(ucontext.h)
43 AC_CHECK_HEADERS(sys/utsname.h)
44 AC_CHECK_HEADERS(pwd.h)
45 AC_CHECK_HEADERS(syslog.h)
46 AC_CHECK_HEADERS(sys/time.h)
47 AC_CHECK_HEADERS(glob.h)
48 # For backtrace with gcc.
49 AC_CHECK_HEADERS(unwind.h)
51 AC_CHECK_HEADER(windows.h, ac_cv_have_windows_h=1, ac_cv_have_windows_h=0)
52 if test x"$ac_cv_have_windows_h" = x"1"; then
53 MINGW_CFLAGS=-Isrc/windows
56 AC_CHECK_SIZEOF(void *)
58 # These are the types I need. We look for them in either stdint.h,
59 # sys/types.h, or inttypes.h, all of which are part of the default-includes.
60 AC_CHECK_TYPE(uint16_t, ac_cv_have_uint16_t=1, ac_cv_have_uint16_t=0)
61 AC_CHECK_TYPE(u_int16_t, ac_cv_have_u_int16_t=1, ac_cv_have_u_int16_t=0)
62 AC_CHECK_TYPE(__uint16, ac_cv_have___uint16=1, ac_cv_have___uint16=0)
64 AC_CHECK_FUNC(sigaltstack,
65 AC_DEFINE(HAVE_SIGALTSTACK, 1,
66 [Define if you have the `sigaltstack' function]))
67 AC_CHECK_FUNC(sigaction,
68 AC_DEFINE(HAVE_SIGACTION, 1,
69 [Define if you have the 'sigaction' function]))
71 AC_DEFINE(HAVE_DLADDR, 1,
72 [Define if you have the `dladdr' function]))
74 AC_DEFINE(HAVE_FCNTL, 1,
75 [Define if you have the `fcntl' function]))
77 AC_DEFINE(HAVE_PREAD, 1,
78 [Define if you have the 'pread' function]))
80 AC_DEFINE(HAVE_PWRITE, 1,
81 [Define if you have the 'pwrite' function]))
84 # We only care about these two attributes.
85 if test x"$ac_cv___attribute__" = x"yes"; then
86 ac_cv___attribute___noreturn="__attribute__ ((noreturn))"
87 ac_cv___attribute___noinline="__attribute__ ((noinline))"
88 ac_cv___attribute___printf_4_5="__attribute__((__format__ (__printf__, 4, 5)))"
90 ac_cv___attribute___noreturn=
91 ac_cv___attribute___noinline=
92 ac_cv___attribute___printf_4_5=
96 if test x"$ac_cv___builtin_expect" = x"yes"; then
97 ac_cv_have___builtin_expect=1
99 ac_cv_have___builtin_expect=0
102 AX_C___SYNC_VAL_COMPARE_AND_SWAP
104 # On x86_64, instead of libunwind, we can choose to compile with frame-pointers
105 # (This isn't needed on i386, where -fno-omit-frame-pointer is the default).
106 AC_ARG_ENABLE(frame_pointers,
107 AS_HELP_STRING([--enable-frame-pointers],
108 [On x86_64 systems, compile with -fno-omit-frame-pointer (see INSTALL)]),,
109 enable_frame_pointers=no)
110 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [return __x86_64__ == 1 ? 0 : 1])],
111 [is_x86_64=yes], [is_x86_64=no])
112 AM_CONDITIONAL(ENABLE_FRAME_POINTERS, test "$enable_frame_pointers" = yes)
113 AM_CONDITIONAL(X86_64, test "$is_x86_64" = yes)
116 AS_HELP_STRING([--disable-rtti],
117 [Disable RTTI in glog]))
118 AM_CONDITIONAL(DISABLE_RTTI, test x"$enable_rtti" = x"no")
119 if test x"$enable_rtti" = x"no"; then
120 AC_DEFINE(DISABLE_RTTI, 1, [define if glog doesn't use RTTI])
123 # Some of the code in this directory depends on pthreads
125 if test x"$acx_pthread_ok" = x"yes"; then
126 # To make libglog depend on libpthread on Linux, we need to add
127 # -lpthread in addition to -pthread.
128 AC_CHECK_LIB(pthread, pthread_self)
131 # Check if there is google-gflags library installed.
132 SAVE_CFLAGS="$CFLAGS"
134 AC_ARG_WITH(gflags, AS_HELP_STRING[--with-gflags=GFLAGS_DIR],
135 GFLAGS_CFLAGS="-I${with_gflags}/include"
136 GFLAGS_LIBS="-L${with_gflags}/lib -lgflags"
137 CFLAGS="$CFLAGS $GFLAGS_CFLAGS"
138 LIBS="$LIBS $GFLAGS_LIBS"
140 AC_CHECK_LIB(gflags, main, ac_cv_have_libgflags=1, ac_cv_have_libgflags=0)
141 if test x"$ac_cv_have_libgflags" = x"1"; then
142 AC_DEFINE(HAVE_LIB_GFLAGS, 1, [define if you have google gflags library])
143 if test x"$GFLAGS_LIBS" = x""; then
144 GFLAGS_LIBS="-lgflags"
150 CFLAGS="$SAVE_CFLAGS"
153 # TODO(hamaji): Use official m4 macros provided by testing libraries
154 # once the m4 macro of Google Mocking becomes ready.
155 # Check if there is Google Test library installed.
156 AC_CHECK_PROG(GTEST_CONFIG, gtest-config, "yes")
157 AC_CHECK_LIB(gtest, main, have_gtest_lib="yes")
158 if test x"$GTEST_CONFIG" = "xyes" -a x"$have_gtest_lib" = "xyes"; then
159 GTEST_CFLAGS=`gtest-config --cppflags --cxxflags`
160 GTEST_LIBS=`gtest-config --ldflags --libs`
161 AC_DEFINE(HAVE_LIB_GTEST, 1, [define if you have google gtest library])
163 # Check if there is Google Mocking library installed.
164 AC_CHECK_PROG(GMOCK_CONFIG, gmock-config, "yes")
165 if test x"$GMOCK_CONFIG" = "xyes"; then
166 GMOCK_CFLAGS=`gmock-config --cppflags --cxxflags`
167 GMOCK_LIBS=`gmock-config --ldflags --libs`
168 AC_DEFINE(HAVE_LIB_GMOCK, 1, [define if you have google gmock library])
170 # We don't run test cases which use Google Mocking framework.
175 # We'll use src/googletest.h for our unittests.
179 AM_CONDITIONAL(HAVE_GMOCK, test x"$GMOCK_CONFIG" = "xyes")
181 # We want to link in libunwind if it exists
183 # Unfortunately, we need to check the header file in addition to the
184 # lib file to check if libunwind is available since libunwind-0.98
185 # doesn't install all necessary header files.
186 if test x"$ac_cv_have_libunwind_h" = x"1"; then
187 AC_CHECK_LIB(unwind, backtrace, UNWIND_LIBS=-lunwind)
189 AC_SUBST(UNWIND_LIBS)
190 if test x"$UNWIND_LIBS" != x""; then
191 AC_DEFINE(HAVE_LIB_UNWIND, 1, [define if you have libunwind])
194 # We'd like to use read/write locks in several places in the code.
195 # See if our pthreads support extends to that. Note: for linux, it
196 # does as long as you define _XOPEN_SOURCE appropriately.
199 # Find out what namespace 'normal' STL code lives in, and also what namespace
200 # the user wants our classes to be defined in
202 AC_DEFINE_GOOGLE_NAMESPACE(google)
204 AC_CXX_USING_OPERATOR
206 AC_PC_FROM_UCONTEXT(AC_MSG_WARN(Could not find the PC. Will not output failed addresses...))
208 AC_DEFINE_UNQUOTED(TEST_SRC_DIR, "$srcdir", [location of source code])
210 # These are what's needed by logging.h.in and raw_logging.h.in
211 AC_SUBST(ac_google_start_namespace)
212 AC_SUBST(ac_google_end_namespace)
213 AC_SUBST(ac_google_namespace)
214 AC_SUBST(ac_cv_cxx_using_operator)
215 AC_SUBST(ac_cv___attribute___noreturn)
216 AC_SUBST(ac_cv___attribute___noinline)
217 AC_SUBST(ac_cv___attribute___printf_4_5)
218 AC_SUBST(ac_cv_have___builtin_expect)
219 AC_SUBST(ac_cv_have_stdint_h)
220 AC_SUBST(ac_cv_have_systypes_h)
221 AC_SUBST(ac_cv_have_inttypes_h)
222 AC_SUBST(ac_cv_have_unistd_h)
223 AC_SUBST(ac_cv_have_uint16_t)
224 AC_SUBST(ac_cv_have_u_int16_t)
225 AC_SUBST(ac_cv_have___uint16)
226 AC_SUBST(ac_cv_have_libgflags)
227 AC_SUBST(GFLAGS_CFLAGS)
228 AC_SUBST(GTEST_CFLAGS)
229 AC_SUBST(GMOCK_CFLAGS)
230 AC_SUBST(MINGW_CFLAGS)
231 AC_SUBST(GFLAGS_LIBS)
235 # Write generated configuration file
236 AC_CONFIG_FILES([Makefile src/glog/logging.h src/glog/raw_logging.h src/glog/vlog_is_on.h src/glog/stl_logging.h])
237 AC_OUTPUT(libglog.pc)