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configure.ac
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configure.ac
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# This file is part of libmicrohttpd.
# (C) 2006-2018 Christian Grothoff (and other contributing authors)
#
# libmicrohttpd is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 3, or (at your
# option) any later version.
#
# libmicrohttpd is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with libmicrohttpd; see the file COPYING. If not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
#
#
# Process this file with autoconf to produce a configure script.
#
#
AC_PREREQ([2.64])
LT_PREREQ([2.4.0])
AC_INIT([GNU Libmicrohttpd],[0.9.63],[[email protected]])
AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE([silent-rules] [subdir-objects])
AC_CONFIG_HEADERS([MHD_config.h])
AC_CONFIG_MACRO_DIR([m4])
LIB_VERSION_CURRENT=62
LIB_VERSION_REVISION=0
LIB_VERSION_AGE=50
AC_SUBST(LIB_VERSION_CURRENT)
AC_SUBST(LIB_VERSION_REVISION)
AC_SUBST(LIB_VERSION_AGE)
AC_MSG_CHECKING([[whether z/OS special settings are required]])
AS_IF([test `uname -s` = "OS/390"],
[
# configure binaries for z/OS
AS_IF([test -z "$CC"],
[CC=`pwd`"/contrib/xcc"
chmod +x $CC || true])
AS_IF([test -z "$CPP"],
CPP="c89 -E")
AS_IF([test -z "$CXXCPP"],
CXXCPP="c++ -E -+")
AC_MSG_RESULT([[yes]])
# _CCC_CCMODE=1
# _C89_CCMODE=1
],
AC_MSG_RESULT([[no]])
)
# Checks for programs.
AC_PROG_AWK
AC_PROG_GREP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_CANONICAL_HOST
AC_PROG_CC_STDC
MHD_SYS_EXT
LT_INIT([win32-dll])
LT_LANG([Windows Resource])
# Checks for gettext.
m4_ifdef([AM_GNU_GETTEXT], [
AM_GNU_GETTEXT([external],[need-ngettext])
AC_CONFIG_FILES([po/Makefile.in])
have_po=yes
], [
have_po=no
])
m4_ifdef([AM_GNU_GETTEXT_VERSION], [
#do not indent here
AM_GNU_GETTEXT_VERSION([0.19.8])
])
AM_CONDITIONAL([HAVE_PO], [ test "$have_po" = yes ])
# Workaround for libgcrypt
AS_IF([[test "x$lt_sysroot" != "x" && test "x$SYSROOT" = "x"]], [[SYSROOT="$lt_sysroot"]])
PACKAGE_VERSION_MAJOR='m4_car(m4_unquote(m4_split(AC_PACKAGE_VERSION, [\.])))'
PACKAGE_VERSION_MINOR='m4_argn(2, m4_unquote(m4_split(AC_PACKAGE_VERSION, [\.])))'
PACKAGE_VERSION_SUBMINOR='m4_argn(3, m4_unquote(m4_split(AC_PACKAGE_VERSION, [\.])))'
AS_VAR_ARITH([MHD_W32_DLL_SUFF],[[$LIB_VERSION_CURRENT - $LIB_VERSION_AGE]])
AC_SUBST([PACKAGE_VERSION_MAJOR])
AC_SUBST([PACKAGE_VERSION_MINOR])
AC_SUBST([PACKAGE_VERSION_SUBMINOR])
AC_SUBST([MHD_W32_DLL_SUFF])
AC_CONFIG_FILES([src/microhttpd/microhttpd_dll_res.rc])
MHD_LIB_CPPFLAGS=""
MHD_LIB_CFLAGS=""
MHD_LIB_LDFLAGS=""
MHD_LIBDEPS=""
# for pkg-config
MHD_REQ_PRIVATE=''
MHD_LIBDEPS_PKGCFG=''
AH_TEMPLATE([[HAVE_STDBOOL_H]], [Define to 1 if you have the <stdbool.h> header file and <stdbool.h> defines 'bool' type.])
AH_TEMPLATE([[HAVE_REAL_BOOL]], [Define to 1 if you have the real boolean type.])
AH_TEMPLATE([[bool]], [Define to type name which will be used as boolean type.])
AC_CHECK_HEADER([stdbool.h],
[
AC_CHECK_TYPE([bool],
[
AC_DEFINE([[HAVE_STDBOOL_H]], [[1]])
AC_DEFINE([[HAVE_REAL_BOOL]], [[1]])
],
[
AC_MSG_WARN([[Header <stdbool.h> is present, but "bool" type cannot be detected. Check compiler flags.]])
AC_DEFINE([[bool]], [[int]])
], [
#include <stdbool.h>
]
)
],
[
AC_CHECK_TYPE([bool],
[AC_DEFINE([[HAVE_REAL_BOOL]], [[1]])],
[
AC_CHECK_TYPE([_Bool],
[
AC_DEFINE([[HAVE_REAL_BOOL]], [[1]])
AC_DEFINE([[bool]], [[_Bool]])
],
[
AC_DEFINE([[bool]], [[int]])
], []
)
], []
)
],
[AC_INCLUDES_DEFAULT]
)
AC_CACHE_CHECK([[whether "true" is defined or builtin]], [[mhd_cv_macro_true_defined]],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#endif
]], [[
#if defined(true)
/* dummy */
#else
(void)true;
#endif
]])
], [[mhd_cv_macro_true_defined='yes']], [[mhd_cv_macro_true_defined='no']])
])
AS_VAR_IF([[mhd_cv_macro_true_defined]], [["yes"]], [[:]],
[AC_DEFINE([[true]],[[(!0)]], [Define to value interpreted by compiler as boolean "true", if "true" is not defined by system headers.])])
AC_CACHE_CHECK([[whether "false" is defined or builtin]], [[mhd_cv_macro_false_defined]],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#endif
]], [[
#if !defined(false)
(void)false;
#else
/* dummy */
#endif
]])
], [[mhd_cv_macro_false_defined='yes']], [[mhd_cv_macro_false_defined='no']])
])
AS_VAR_IF([[mhd_cv_macro_false_defined]], [["yes"]], [[:]],
[AC_DEFINE([[false]],[[0]], [Define to value interpreted by compiler as boolean "false", if "false" is not defined by system headers.])])
AC_CACHE_CHECK([[whether "true" and "false" could be used]], [[mhd_cv_macro_true_false_valid]],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#endif
]], [[
int var1[true ? 1 : -1] = { 1 };
int var2[false ? -1 : 1] = { 2 };
int var3[!true ? -1 : 1] = { 3 };
int var4[!false ? 1 : -1] = { 4 };
if (var1[0] == var2[0] || var3[0] == var4[0])
return 1;
]])
], [[mhd_cv_macro_true_false_valid='yes']], [[mhd_cv_macro_true_false_valid='no']])
])
AS_VAR_IF([[mhd_cv_macro_true_false_valid]], [["yes"]], [[:]],
[AC_MSG_ERROR([[Value of "true" or value of "false" is not valid. Check config.log for details.]])])
AX_CHECK_COMPILE_FLAG([[-Werror=attributes]],
[
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror=attributes"
AC_MSG_CHECKING([[whether -Werror=attributes actually works]])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[__attribute__((non_existing_attrb_dummy)) int SimpleFunc(void) {return 3;}]], [[int r = SimpleFunc(); if (r) return r;]])],
[
AC_MSG_RESULT([[no]])
errattr_CFLAGS=""
], [
AC_MSG_RESULT([[yes]])
errattr_CFLAGS="-Werror=attributes"
])
CFLAGS="$save_CFLAGS"
],
[[errattr_CFLAGS=""]], [], [])
AC_MSG_CHECKING([[for function inline keywords suppoted by $CC]])
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $errattr_CFLAGS"
inln_prfx="none"
# Prefer always inline functions
for inln_prfx_chk in InlineWithAttr __forceinline inline __inline__ __inline _inline _Inline; do
# Try to link to avoid "symbol undefined" problems at build time
AS_IF([[test "x$inln_prfx_chk" = "xInlineWithAttr"]],
[
AS_IF([[test "x$errattr_CFLAGS" = "x"]],
[[ # Skip test with attribute as negative result can't be detected
inln_prfx_chk="__forceinline" # use next value
]],[[inln_prfx_chk="inline __attribute__((always_inline))"]])
])
AC_LINK_IFELSE(
[
AC_LANG_PROGRAM(
[[
#ifdef __cplusplus
#error This test is only for C.
choke me
#endif
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#endif
static $inln_prfx_chk bool cmpfn(int x, int y)
{ return x > y; }
static $inln_prfx_chk int sumfn(int x, int y)
{ return x + y; }
]],[[
int a = 1, b = 100, c;
if (cmpfn(a, b))
c = sumfn(a, b);
else
c = 0 - sumfn(a, b);
]])
],
[[ inln_prfx="$inln_prfx_chk" ]])
test "x$inln_prfx" != "xnone" && break
done
AS_IF([[test "x$inln_prfx" != "xnone"]],
[
AC_DEFINE([INLINE_FUNC],[1],[Define to 1 if your C compiler supports inline functions.])
AC_DEFINE_UNQUOTED([_MHD_static_inline],[static $inln_prfx],[Define to prefix which will be used with MHD static inline functions.])
], [
AC_DEFINE([_MHD_static_inline],[static],[Define to prefix which will be used with MHD static inline functions.])
])
AC_MSG_RESULT([[$inln_prfx]])
CFLAGS="$save_CFLAGS"
# Check system type
shutdown_trig_select='no'
AC_MSG_CHECKING([[for target host OS]])
AS_CASE(["$host_os"],
[*darwin* | *rhapsody* | *macosx*],
[AC_DEFINE_UNQUOTED(OSX,1,[This is an OS X system])
CFLAGS="-no-cpp-precomp -fno-common $CFLAGS"
mhd_host_os='Darwin'
AC_MSG_RESULT([[$mhd_host_os]])],
[freebsd*],
[AC_DEFINE_UNQUOTED(SOMEBSD,1,[This is a BSD system])
AC_DEFINE_UNQUOTED(FREEBSD,1,[This is a FreeBSD system])
mhd_host_os='FreeBSD'
AC_MSG_RESULT([[$mhd_host_os]])],
[openbsd*],
[AC_DEFINE_UNQUOTED(SOMEBSD,1,[This is a BSD system])
AC_DEFINE_UNQUOTED(OPENBSD,1,[This is an OpenBSD system])
mhd_host_os='OpenBSD'
AC_MSG_RESULT([[$mhd_host_os]])],
[netbsd*],
[AC_DEFINE_UNQUOTED(SOMEBSD,1,[This is a BSD system])
AC_DEFINE_UNQUOTED(NETBSD,1,[This is a NetBSD system])
mhd_host_os='NetBSD'
AC_MSG_RESULT([[$mhd_host_os]])],
[*solaris*],
[AC_DEFINE_UNQUOTED(SOLARIS,1,[This is a Solaris system])
AC_DEFINE_UNQUOTED(_REENTRANT,1,[Need with solaris or errno doesnt work])
mhd_host_os='Solaris'
AC_MSG_RESULT([[$mhd_host_os]])
AC_SEARCH_LIBS(gethostbyname, nsl)
AC_SEARCH_LIBS(socket, socket)],
[*arm-linux*],
[AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux kernel])
mhd_host_os='ARM Linux'
AC_MSG_RESULT([[$mhd_host_os]])
CFLAGS="-fPIC -pipe $CFLAGS"],
[*linux*],
[AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux kernel])
mhd_host_os='Linux'
AC_MSG_RESULT([[$mhd_host_os]])],
[*cygwin*],
[AC_DEFINE_UNQUOTED(CYGWIN,1,[This is a Cygwin system])
mhd_host_os='Windows (Cygwin)'
AC_MSG_RESULT([[$mhd_host_os]])
os_is_windows=yes],
[*mingw*],
[AC_DEFINE_UNQUOTED(MINGW,1,[This is a MinGW system])
AC_DEFINE_UNQUOTED(WINDOWS,1,[This is a Windows system])
mhd_host_os='Windows (MinGW)'
AC_MSG_RESULT([[$mhd_host_os]])
LIBS="$LIBS -lws2_32"
AC_CHECK_HEADERS([winsock2.h ws2tcpip.h], [], [AC_MSG_ERROR([[Winsock2 headers are required for W32]])], [AC_INCLUDES_DEFAULT])
AC_CACHE_CHECK([for MS lib utility], [ac_cv_use_ms_lib_tool],
[mslibcheck=`lib 2>&1`
AS_IF([echo "$mslibcheck" | $GREP -e '^Microsoft (R) Library Manager' - >/dev/null],
[ac_cv_use_ms_lib_tool=yes],
[ac_cv_use_ms_lib_tool=no])
])
AS_IF([test "x$ac_cv_use_ms_lib_tool" = "xyes"],
[AC_SUBST([MS_LIB_TOOL], [[lib]])])
AC_SUBST([lt_cv_objdir])
os_is_windows=yes
os_is_native_w32=yes
],
[*openedition*],
[AC_DEFINE_UNQUOTED(OS390,1,[This is a OS/390 system])
mhd_host_os='OS/390'
AC_MSG_RESULT([[$mhd_host_os]])],
[gnu*],
[AC_DEFINE([[GNU_HURD]], [[1]], [Define to `1' if host machine runs on GNU Hurd.])
mhd_host_os='GNU Hurd'
AC_MSG_RESULT([[$mhd_host_os]])
],
[
mhd_host_os='unrecognised OS'
AC_MSG_RESULT([[$mhd_host_os]])
AC_MSG_WARN([Unrecognised OS $host_os])
AC_DEFINE_UNQUOTED(OTHEROS,1,[Some strange OS])
])
AM_CONDITIONAL([CYGWIN_TARGET], [[test "x$os_is_windows" = "xyes" && \
test "x${os_is_native_w32}" != "xyes"]])
AC_ARG_WITH([threads],
[AS_HELP_STRING([--with-threads=LIB],[choose threading library (posix, w32, auto, none) [auto]])],
[], [with_threads='auto'])
AS_CASE([[$with_threads]],
[[win32]], [[with_threads='w32']],
[[pthreads]], [[with_threads='posix']],
[[posix]], [[:]],
[[w32]], [[:]],
[[none]], [[with_threads='none']],
[[auto]], [[:]],
[AC_MSG_ERROR([[incorrect parameter "$with_threads" specified for --with-threads]])]
)
# Check for posix threads support, regardless of configure parameters as
# testsuite use only posix threads.
AX_PTHREAD(
[
mhd_have_posix_threads='yes'
AC_DEFINE([[HAVE_PTHREAD_H]],[[1]],[Define to 1 if you have the <pthread.h> header file.])
],[[mhd_have_posix_threads='no']])
AM_CONDITIONAL([HAVE_POSIX_THREADS],[test "x$mhd_have_posix_threads" = "xyes"])
mhd_have_w32_threads='no'
AS_IF([[test "x$with_threads" = "xauto"]],
[
AS_IF([[test "x$os_is_windows" = "xyes"]],
[
AC_MSG_CHECKING([[for W32 threads]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <windows.h>
]], [ HANDLE h = CreateThread(NULL, 0, NULL, NULL, 0, NULL);])]
, [[mhd_have_w32_threads='yes']], [[mhd_have_w32_threads='no']]
)
AC_MSG_RESULT([[$mhd_have_w32_threads]])
])
]
)
AC_MSG_CHECKING([[for threading lib to use with libmicrohttpd ($with_threads)]])
AS_IF([test "x$with_threads" = "xposix"],
[ # forced posix threads
AS_IF([test "x$mhd_have_posix_threads" = "xyes"], [USE_THREADS='posix'],
[ AS_IF([[test "x$os_is_windows" = "xyes"]] ,
[ AC_MSG_ERROR([[Posix threads are not available. Try to configure --with-threads=auto]])],
[ AC_MSG_ERROR([[No threading lib is available. Consider installing pthreads]])] )
])
])
AS_IF([test "x$with_threads" = "xw32"],
[ # forced w32 threads
AS_IF([[test "x$mhd_have_w32_threads" = "xyes"]],
[[ USE_THREADS='w32' ]],
[ AC_MSG_ERROR([[W32 threads are not available. Try to configure --with-threads=auto]])])
])
AS_IF([test "x$with_threads" = "xauto"],
[# automatic threads lib selection
AS_IF([[test "x$os_is_native_w32" = "xyes" && test "x$mhd_have_w32_threads" = "xyes"]] ,
[[ USE_THREADS='w32' ]] ,
[[ test "x$mhd_have_posix_threads" = "xyes" ]], [[ USE_THREADS='posix' ]],
[[ test "x$mhd_have_w32_threads" = "xyes" ]], [[ USE_THREADS='w32' ]],
[ AC_MSG_ERROR([[No threading lib is available. Consider installing pthreads]]) ]
)])
AS_IF([test "x$with_threads" = "xnone"],
[USE_THREADS='none'])
AS_IF([test "x$USE_THREADS" = "xposix"],
[CC="$PTHREAD_CC"
AC_DEFINE([MHD_USE_POSIX_THREADS],[1],[define to use pthreads])
MHD_LIB_CFLAGS="$MHD_LIB_CFLAGS $PTHREAD_CFLAGS"
MHD_LIBDEPS="$PTHREAD_LIBS $MHD_LIBDEPS"
MHD_LIBDEPS_PKGCFG="$PTHREAD_LIBS $MHD_LIBDEPS_PKGCFG"],
[AS_IF([test "x$USE_THREADS" = "xw32"],
[AC_DEFINE([MHD_USE_W32_THREADS],[1],[define to use W32 threads])])])
AM_CONDITIONAL([USE_POSIX_THREADS], [test "x$USE_THREADS" = "xposix"])
AM_CONDITIONAL([USE_W32_THREADS], [test "x$USE_THREADS" = "xw32"])
AM_CONDITIONAL([DISABLE_THREADS], [test "x$USE_THREADS" = "xnone"])
AC_MSG_RESULT([$USE_THREADS])
AC_ARG_ENABLE([[thread-names]],
[AS_HELP_STRING([--disable-thread-names [auto] ],[do not set names on MHD generated threads])],
[], [enable_thread_names='auto'])
AS_IF([test "x$enable_thread_names" != "xno" && test "x$USE_THREADS" = "xposix"],[
# Check for thread name function
HAVE_THREAD_NAME_FUNC="no"
SAVE_LIBS="$LIBS"
SAVE_CFLAGS="$CFLAGS"
LIBS="$PTHREAD_LIBS $LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
AC_CHECK_HEADERS([pthread_np.h],[],[],
[
AC_INCLUDES_DEFAULT
[
#include <pthread.h>
]
])
# Try to find how to set thread name by thread attributes.
# If pthread_attr_setname_np(3) is not declared, it's not possible to detect
# form of pthread_attr_setname_np(3) due to C "feature" "implicit declaration".
AC_CHECK_DECL([[pthread_attr_setname_np]],[],[],[[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]])
AS_IF([[test "x$ac_cv_have_decl_pthread_attr_setname_np" = "xyes"]],
[AC_MSG_CHECKING([[for pthread_attr_setname_np(3) in NetBSD or OSF1 form]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]], [[
pthread_attr_t thr_attr;
pthread_attr_init(&thr_attr);
pthread_attr_setname_np(&thr_attr, "name", 0);
pthread_attr_destroy(&thr_attr);
]])],
[AC_DEFINE([[HAVE_PTHREAD_ATTR_SETNAME_NP_NETBSD]], [[1]], [Define if you have NetBSD form (or OSF1 form) of pthread_attr_setname_np(3) function.])
HAVE_THREAD_NAME_FUNC="yes"
AC_MSG_RESULT([[yes]])],
[AC_MSG_RESULT([[no]])]
)
])
AS_IF([[test "x$HAVE_THREAD_NAME_FUNC" != "xyes" && test "x$ac_cv_have_decl_pthread_attr_setname_np" = "xyes"]],
[AC_MSG_CHECKING([[for pthread_attr_setname_np(3) in IBM i form]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]], [[
pthread_attr_t thr_attr;
pthread_attr_init(&thr_attr);
pthread_attr_setname_np(&thr_attr, "name");
pthread_attr_destroy(&thr_attr);
]])],
[AC_DEFINE([[HAVE_PTHREAD_ATTR_SETNAME_NP_IBMI]], [[1]], [Define if you have IBM i form of pthread_attr_setname_np(3) function.])
HAVE_THREAD_NAME_FUNC="yes"
AC_MSG_RESULT([[yes]])],
[AC_MSG_RESULT([[no]])]
)
])
# Try to find how to set thread name for started thread - less convinent
# than setting name by attributes.
# If pthread_setname_np(3) is not declared, it's not possible to detect
# form of pthread_setname_np(3) due to C "feature" "implicit declaration".
AS_IF([[test "x$HAVE_THREAD_NAME_FUNC" != "xyes"]],
[AC_CHECK_DECL([[pthread_setname_np]],[],[],[[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]])
])
AS_IF([[test "x$HAVE_THREAD_NAME_FUNC" != "xyes" && test "x$ac_cv_have_decl_pthread_setname_np" = "xyes"]],
[AC_MSG_CHECKING([[for pthread_setname_np(3) in NetBSD or OSF1 form]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]], [[int res = pthread_setname_np(pthread_self(), "name", 0);]])],
[AC_DEFINE([[HAVE_PTHREAD_SETNAME_NP_NETBSD]], [[1]], [Define if you have NetBSD form (or OSF1 form) of pthread_setname_np(3) function.])
HAVE_THREAD_NAME_FUNC="yes"
AC_MSG_RESULT([[yes]])],
[AC_MSG_RESULT([[no]])]
)
])
AS_IF([[test "x$HAVE_THREAD_NAME_FUNC" != "xyes" && test "x$ac_cv_have_decl_pthread_setname_np" = "xyes"]],
[AC_MSG_CHECKING([[for pthread_setname_np(3) in GNU/Linux form]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]], [[int res = pthread_setname_np(pthread_self(), "name");]])],
[AC_DEFINE([[HAVE_PTHREAD_SETNAME_NP_GNU]], [[1]], [Define if you have GNU/Linux form of pthread_setname_np(3) function.])
HAVE_THREAD_NAME_FUNC="yes"
AC_MSG_RESULT([[yes]])],
[AC_MSG_RESULT([[no]])]
)
])
AS_IF([[test "x$HAVE_THREAD_NAME_FUNC" != "xyes" && test "x$ac_cv_have_decl_pthread_setname_np" = "xyes"]],
[AC_MSG_CHECKING([[for pthread_setname_np(3) in Darwin form]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]], [[int res = pthread_setname_np("name");]])],
[AC_DEFINE([[HAVE_PTHREAD_SETNAME_NP_DARWIN]], [[1]], [Define if you have Darwin form of pthread_setname_np(3) function.])
HAVE_THREAD_NAME_FUNC="yes"
AC_MSG_RESULT([[yes]])],
[AC_MSG_RESULT([[no]])]
)
])
AS_IF([[test "x$HAVE_THREAD_NAME_FUNC" != "xyes"]],
[
AC_CHECK_DECL([[pthread_set_name_np]],
[
AC_MSG_CHECKING([[for pthread_set_name_np(3) in FreeBSD form]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]], [[pthread_set_name_np(pthread_self(), "name");]])],
[AC_DEFINE([[HAVE_PTHREAD_SET_NAME_NP_FREEBSD]], [[1]], [Define if you have FreeBSD form of pthread_set_name_np(3) function.])
HAVE_THREAD_NAME_FUNC="yes"
AC_MSG_RESULT([[yes]])],
[AC_MSG_RESULT([[no]])]
)
],[],[[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]]
)
])
LIBS="$SAVE_LIBS"
CFLAGS="$SAVE_CFLAGS"
])
AS_IF([[test "x$enable_thread_names" != "xno"]],
[
AC_MSG_CHECKING([[whether to enable thread names]])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([], [[
#ifdef MHD_NO_THREAD_NAMES
#error Thread names are disabled.
choke me
#endif
/* Keep in sync with mhd_threads.h */
#if defined(MHD_USE_POSIX_THREADS) && (defined(HAVE_PTHREAD_ATTR_SETNAME_NP_NETBSD) || defined(HAVE_PTHREAD_ATTR_SETNAME_NP_IBMI) || \
defined(HAVE_PTHREAD_SETNAME_NP_GNU) || defined(HAVE_PTHREAD_SET_NAME_NP_FREEBSD) || defined(HAVE_PTHREAD_SETNAME_NP_DARWIN) || \
defined(HAVE_PTHREAD_SETNAME_NP_NETBSD) )
int a = 1;
#elif defined(MHD_USE_W32_THREADS) && defined(_MSC_FULL_VER)
int b = 2;
#else
#error No thread name function is available.
choke me
#endif
]])
], [
enable_thread_names='yes'
], [
AS_IF([[test "x$enable_thread_names" = "xyes"]],
[
AC_MSG_RESULT([[no]])
AC_MSG_ERROR([[thread names was explicitly requested, but thread name function is not available]])
])
enable_thread_names='no'
])
AC_MSG_RESULT([[$enable_thread_names]])
])
AS_IF([[test "x$enable_thread_names" = "xno"]],
[AC_DEFINE([[MHD_NO_THREAD_NAMES]], [[1]], [Define to 1 to disable setting name on generated threads])])
AM_CONDITIONAL(HAVE_W32, [test "x$os_is_native_w32" = "xyes"])
w32_shared_lib_exp=no
if test "x$enable_shared" = "xyes" && test "x$os_is_native_w32" = "xyes"; then
if test "x$ac_cv_use_ms_lib_tool" = "xyes" || test -n "$DLLTOOL"; then
w32_shared_lib_exp=yes
else
AC_MSG_WARN([[GNU dlltool or MS lib.exe is required for creating shared library export on W32]])
AC_MSG_WARN([[Export library libmicrohttpd.lib will not be created]])
fi
fi
AM_CONDITIONAL(W32_SHARED_LIB_EXP, [test "x$w32_shared_lib_exp" = "xyes"])
AM_CONDITIONAL(USE_MS_LIB_TOOL, [test "x$ac_cv_use_ms_lib_tool" = "xyes"])
MHD_CHECK_SOCKET_SHUTDOWN_TRIGGER([AC_DEFINE([HAVE_LISTEN_SHUTDOWN],[1],[can use shutdown on listen sockets])])
AM_CONDITIONAL([HAVE_LISTEN_SHUTDOWN], [test "x$mhd_cv_host_shtdwn_trgr_select" = "xyes"])
# set GCC options
# use '-fno-strict-aliasing', but only if the compiler
# and linker can take it
AX_CHECK_LINK_FLAG([-fno-strict-aliasing],
[AX_APPEND_COMPILE_FLAGS([-fno-strict-aliasing])])
AC_C_BIGENDIAN
AC_C_VARARRAYS
AC_CACHE_CHECK([[whether __builtin_bswap32() is available]],
[[mhd_cv_func___builtin_bswap32_avail]], [dnl
AC_TRY_LINK([#include<stdint.h>],[uint32_t a = 1; uint32_t b = __builtin_bswap32(a); a = b;],
[[mhd_cv_func___builtin_bswap32_avail="yes"]], [[mhd_cv_func___builtin_bswap32_avail="no"]])
])
AS_IF([[test "x$mhd_cv_func___builtin_bswap32_avail" = "xyes"]],
[AC_DEFINE([[MHD_HAVE___BUILTIN_BSWAP32]], [[1]], [Define to 1 if you have __builtin_bswap32() builtin function])])
AC_CACHE_CHECK([[whether __builtin_bswap64() is available]],
[[mhd_cv_func___builtin_bswap64_avail]], [dnl
AC_TRY_LINK([#include<stdint.h>],[uint64_t a = 1; uint32_t b = __builtin_bswap64(a); a = b;],
[[mhd_cv_func___builtin_bswap64_avail="yes"]], [[mhd_cv_func___builtin_bswap64_avail="no"]])
])
AS_IF([[test "x$mhd_cv_func___builtin_bswap64_avail" = "xyes"]],
[AC_DEFINE([[MHD_HAVE___BUILTIN_BSWAP64]], [[1]], [Define to 1 if you have __builtin_bswap64() builtin function])])
AC_CHECK_PROG([HAVE_CURL_BINARY],[curl],[yes],[no])
AM_CONDITIONAL([HAVE_CURL_BINARY],[test "x$HAVE_CURL_BINARY" = "xyes"])
AC_CHECK_PROG([HAVE_MAKEINFO_BINARY],[makeinfo],[yes],[no])
AM_CONDITIONAL([HAVE_MAKEINFO_BINARY],[test "x$HAVE_MAKEINFO_BINARY" = "xyes"])
AM_CONDITIONAL(W32_STATIC_LIB, [test "x$os_is_native_w32" = "xyes" && test "x$enable_static" = "xyes"])
AC_ARG_ENABLE([[doc]],
[AS_HELP_STRING([[--disable-doc]], [do not build any documentation])], ,
[enable_doc=yes])
test "x$enable_doc" = "xno" || enable_doc=yes
AM_CONDITIONAL([BUILD_DOC], [test "x$enable_doc" = "xyes"])
AC_ARG_ENABLE([[examples]],
[AS_HELP_STRING([[--disable-examples]], [do not build any examples])], ,
[enable_examples=yes])
test "x$enable_examples" = "xno" || enable_examples=yes
AM_CONDITIONAL([BUILD_EXAMPLES], [test "x$enable_examples" = "xyes"])
AC_ARG_ENABLE([[poll]],
[AS_HELP_STRING([[--enable-poll[=ARG]]], [enable poll support (yes, no, auto) [auto]])],
[enable_poll=${enableval}],
[enable_poll='auto']
)
AS_IF([test "$enable_poll" != "no"],
[AS_IF([test "$os_is_native_w32" != "yes"],
AC_CHECK_HEADERS([poll.h],
[AC_CHECK_FUNCS([poll], [have_poll='yes'], [have_poll='no'])],
[],
[AC_INCLUDES_DEFAULT]),
[AC_MSG_CHECKING([for WSAPoll()])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#if defined(_WIN32) && ! defined(__CYGWIN__) && ! defined(_WIN32_WINNT)
#define _WIN32_WINNT 0x0501
#endif
#include <winsock2.h>
]],[[
WSAPOLLFD fda[2];
WSAPoll(fda, 2, 0);]])],
[have_poll='yes'
AC_DEFINE([HAVE_POLL],[1])
],[have_poll='no'])
AC_MSG_RESULT([$have_poll])])
AS_IF([test "$enable_poll" = "yes" && test "$have_poll" != "yes"],
AC_MSG_ERROR([[Support for poll was explicitly requested but cannot be enabled on this platform.]]))
enable_poll="$have_poll"])
AC_ARG_ENABLE([[epoll]],
[AS_HELP_STRING([[--enable-epoll[=ARG]]], [enable epoll support (yes, no, auto) [auto]])],
[enable_epoll=${enableval}],
[enable_epoll='auto']
)
AS_IF([test "$enable_epoll" != "no"],
[AX_HAVE_EPOLL
AS_IF([test "${ax_cv_have_epoll}" = "yes"],
[AC_DEFINE([[EPOLL_SUPPORT]],[[1]],[Define to 1 to enable epoll support])
enable_epoll='yes'],
[AS_IF([test "$enable_epoll" = "yes"],
AC_MSG_ERROR([[Support for epoll was explicitly requested but cannot be enabled on this platform.]]))
enable_epoll='no'])])
AM_CONDITIONAL([MHD_HAVE_EPOLL], [[test "x$enable_epoll" = xyes]])
AS_IF([test "x$enable_epoll" = "xyes"],
AC_CACHE_CHECK([for epoll_create1()],
[mhd_cv_have_epoll_create1], [
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <sys/epoll.h>
]], [[
int fd;
fd = epoll_create1(EPOLL_CLOEXEC);]])],
[mhd_cv_have_epoll_create1=yes],
[mhd_cv_have_epoll_create1=no])])
AS_IF([test "x$mhd_cv_have_epoll_create1" = "xyes"],[
AC_DEFINE([[HAVE_EPOLL_CREATE1]], [[1]], [Define if you have epoll_create1 function.])]))
# Check for headers that are ALWAYS required
AC_CHECK_HEADERS_ONCE([fcntl.h math.h errno.h limits.h stdio.h locale.h sys/stat.h sys/types.h], [], [AC_MSG_ERROR([Compiling libmicrohttpd requires standard UNIX headers files])], [AC_INCLUDES_DEFAULT])
# Check for optional headers
AC_CHECK_HEADERS([sys/types.h sys/time.h sys/msg.h time.h sys/mman.h sys/ioctl.h \
sys/socket.h sys/select.h netdb.h netinet/in.h netinet/ip.h netinet/tcp.h arpa/inet.h \
endian.h machine/endian.h sys/endian.h sys/param.h sys/machine.h sys/byteorder.h machine/param.h sys/isa_defs.h \
inttypes.h stddef.h unistd.h \
sockLib.h inetLib.h net/if.h], [], [], [AC_INCLUDES_DEFAULT])
AC_CHECK_HEADER([[search.h]],
[
gl_FUNC_TSEARCH
AS_IF([[test "x$HAVE_TSEARCH" = "x1" && test "x$REPLACE_TSEARCH" != "x1"]],
[AC_DEFINE([[HAVE_SEARCH_H]], [[1]],
[Define to 1 if you have the <search.h> header file and your system have properly functioning tsearch(), tfind() and tdelete() functions])])
],
[], [AC_INCLUDES_DEFAULT])
AM_CONDITIONAL([MHD_HAVE_TSEARCH], [[test "x$ac_cv_header_search_h" = xyes && test "x$HAVE_TSEARCH" = "x1" && test "x$REPLACE_TSEARCH" != "x1"]])
AC_CHECK_HEADERS([dlfcn.h],[have_tlsplugin=yes],[have_tlsplugin=no], [AC_INCLUDES_DEFAULT])
AM_CONDITIONAL([MHD_HAVE_TLS_PLUGIN], [[test "x$have_tlsplugin" = xyes]])
AC_CHECK_HEADERS([zlib.h],[have_zlib=yes],[have_zlib=no], [AC_INCLUDES_DEFAULT])
AM_CONDITIONAL([HAVE_ZLIB], [[test "x$have_zlib" = xyes]])
# Check for generic functions
AC_CHECK_FUNCS([rand random])
AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
[ AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [Do we have sockaddr_in.sin_len?])
],
[],
[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
])
AC_CHECK_DECLS([getsockname],
[
AC_CHECK_FUNCS([getsockname],
[
AC_CACHE_CHECK([[whether getsockname() is usable]], [[mhc_cv_getsockname_usable]],
[
AC_RUN_IFELSE(
[
AC_LANG_SOURCE(
[[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
static void zr_mem(void *ptr, socklen_t size)
{ char *mem = ptr; while(size--) {mem[0] = 0; mem++;} }
int main(void)
{
const socklen_t c_addr_size = (socklen_t)sizeof(struct sockaddr_in);
struct sockaddr_in sa;
socklen_t addr_size;
int ret = 1;
#if !defined(_WIN32) || defined(__CYGWIN__)
int sckt;
const int invld_sckt = -1;
#else
SOCKET sckt;
const SOCKET invld_sckt = INVALID_SOCKET;
WSADATA wsa_data;
if (0 != WSAStartup(MAKEWORD(2, 2), &wsa_data) || MAKEWORD(2, 2) != wsa_data.wVersion)
return 20;
#endif
sckt = socket (PF_INET, SOCK_STREAM, 0);
if (invld_sckt != sckt)
{
zr_mem(&sa, c_addr_size);
sa.sin_family = AF_INET;
#if HAVE_SOCKADDR_IN_SIN_LEN
sa.sin_len = c_addr_size;
#endif
if (0 == bind (sckt, (struct sockaddr *)&sa, c_addr_size))
{
if (0 == listen (sckt, 1))
{
addr_size = c_addr_size;
if (0 == getsockname (sckt, (struct sockaddr *)&sa, &addr_size))
{
if (c_addr_size >= addr_size)
{
if (0 != ntohs(sa.sin_port))
{ ret = 0;
} else ret = 7;
} else ret = 6;
} else ret = 5;
} else ret = 4;
} else ret = 3;
} else ret = 2;
#if !defined(_WIN32) || defined(__CYGWIN__)
close (sckt);
#else
closesocket (sckt);
WSACleanup();
#endif
return ret;
}
]]
)
],
[[mhc_cv_getsockname_usable='yes']],
[[mhc_cv_getsockname_usable='no']],
[[mhc_cv_getsockname_usable='assuming yes']]
)
]
)
AS_VAR_IF([[mhc_cv_getsockname_usable]], [["no"]], [:],
[AC_DEFINE([[MHD_USE_GETSOCKNAME]], [[1]], [Define if you have usable `getsockname' function.])])
]
)
], [],
[[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
]]
)
# Check for inter-thread signaling type
AC_ARG_ENABLE([[itc]],
[AS_HELP_STRING([[--enable-itc=TYPE]], [use TYPE of inter-thread communication (pipe, socketpair, eventfd) [auto]])], [],
[[enable_itc='auto']]
)
AS_CASE([[$enable_itc]],
[[pipe]], [[:]],
[[socketpair]], [[:]],
[[eventfd]], [[:]],
[[auto]], [AS_VAR_IF([[os_is_windows]], [["yes"]], [[enable_itc='socketpair']])],
[[eventFD]], [[enable_itc='eventfd']],
[[socket]], [[enable_itc='socketpair']],
[[no]], [AC_MSG_ERROR([[inter-thread communication cannot be disabled]])],
[AC_MSG_ERROR([[unrecognized type "$enable_itc" of inter-thread communication specified by "--enable-itc=$enable_itc"]])]
)
# AS_UNSET([[use_itc]])
AS_IF([[test "x$enable_itc" = "xeventfd" || test "x$enable_itc" = "xauto"]], [
AS_VAR_IF([[os_is_native_w32]], [["yes"]], [], [
AC_CHECK_HEADERS([sys/eventfd.h], [], [], [AC_INCLUDES_DEFAULT])
AS_VAR_IF([[ac_cv_header_sys_eventfd_h]], [["yes"]], [
AC_CACHE_CHECK([whether eventfd(2) is usable], [[mhd_cv_eventfd_usable]], [
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <sys/eventfd.h>
]], [[int ef = eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK)
]])
], [[mhd_cv_eventfd_usable='yes']], [[mhd_cv_eventfd_usable='no']])
])
])
])
AS_VAR_IF([[mhd_cv_eventfd_usable]], [["yes"]], [
use_itc='eventfd'
enable_itc="$use_itc"
AC_DEFINE([[_MHD_ITC_EVENTFD]], [[1]], [Define to use eventFD for inter-thread communication])
], [
AS_VAR_IF([[enable_itc]], [["eventfd"]], [AC_MSG_ERROR([[eventfd(2) is not usable, consider using other type of inter-thread communication]])])
])
])
AS_IF([[test "x$enable_itc" = "xpipe" || test "x$enable_itc" = "xauto"]], [
AS_VAR_IF([[os_is_native_w32]], [["yes"]], [], [
AC_CACHE_CHECK([[whether pipe(3) is usable]], [[mhd_cv_pipe_usable]], [
AC_LINK_IFELSE([
AC_LANG_PROGRAM([
AC_INCLUDES_DEFAULT
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
], [[
int arr[2];
int res;
res = pipe(arr)
]])
], [[mhd_cv_pipe_usable='yes']], [[mhd_cv_pipe_usable='no']])
])
])
AS_VAR_IF([[mhd_cv_pipe_usable]], [["yes"]], [
use_itc='pipe'
enable_itc="$use_itc"
AC_DEFINE([[_MHD_ITC_PIPE]], [[1]], [Define to use pipe for inter-thread communication])
AC_CACHE_CHECK([[whether pipe2(2) is usable]], [[mhd_cv_pipe2_usable]], [
AC_LINK_IFELSE([
AC_LANG_PROGRAM([
AC_INCLUDES_DEFAULT
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
], [[
int arr[2];
int res;
res = pipe2(arr, O_CLOEXEC | O_NONBLOCK)
]])
], [[mhd_cv_pipe2_usable='yes']], [[mhd_cv_pipe2_usable='no']])
])
AS_VAR_IF([[mhd_cv_pipe2_usable]], [["yes"]],
[AC_DEFINE([[HAVE_PIPE2_FUNC]], [[1]], [Define if you have usable pipe2(2) function])])
], [
AS_VAR_IF([[enable_itc]], [["pipe"]], [AC_MSG_ERROR([[pipe(3) is not usable, consider using other type of inter-thread communication]])])
])
])
AS_IF([[test "x$enable_itc" = "xsocketpair" || test "x$enable_itc" = "xauto"]], [
AS_VAR_IF([[os_is_native_w32]], [["yes"]], [[mhd_cv_socketpair_usable='yes']], [
AC_CACHE_CHECK([[whether socketpair(3) is usable]], [[mhd_cv_socketpair_usable]], [
AC_LINK_IFELSE([
AC_LANG_PROGRAM([
AC_INCLUDES_DEFAULT
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>