diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/ax_append_compile_flags.m4 | 6 | ||||
| -rw-r--r-- | m4/ax_append_link_flags.m4 | 6 | ||||
| -rw-r--r-- | m4/ax_boost_base.m4 | 272 | ||||
| -rw-r--r-- | m4/ax_check_compile_flag.m4 | 8 | ||||
| -rw-r--r-- | m4/ax_check_link_flag.m4 | 8 | ||||
| -rw-r--r-- | m4/ax_pthread.m4 | 332 | ||||
| -rw-r--r-- | m4/ax_require_defined.m4 | 37 | ||||
| -rw-r--r-- | m4/mpd_depends.m4 | 9 | ||||
| -rw-r--r-- | m4/mpd_func.m4 | 13 | ||||
| -rw-r--r-- | m4/pkg.m4 | 117 | ||||
| -rw-r--r-- | m4/ucred.m4 | 16 |
11 files changed, 769 insertions, 55 deletions
diff --git a/m4/ax_append_compile_flags.m4 b/m4/ax_append_compile_flags.m4 index 425417008..dc7b86600 100644 --- a/m4/ax_append_compile_flags.m4 +++ b/m4/ax_append_compile_flags.m4 @@ -54,10 +54,12 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 2 +#serial 4 AC_DEFUN([AX_APPEND_COMPILE_FLAGS], -[for flag in $1; do +[AX_REQUIRE_DEFINED([AX_CHECK_COMPILE_FLAG]) +AX_REQUIRE_DEFINED([AX_APPEND_FLAG]) +for flag in $1; do AX_CHECK_COMPILE_FLAG([$flag], [AX_APPEND_FLAG([$flag], [$2])], [], [$3]) done ])dnl AX_APPEND_COMPILE_FLAGS diff --git a/m4/ax_append_link_flags.m4 b/m4/ax_append_link_flags.m4 index 4fc433700..c73ddafc2 100644 --- a/m4/ax_append_link_flags.m4 +++ b/m4/ax_append_link_flags.m4 @@ -52,10 +52,12 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 2 +#serial 4 AC_DEFUN([AX_APPEND_LINK_FLAGS], -[for flag in $1; do +[AX_REQUIRE_DEFINED([AX_CHECK_LINK_FLAG]) +AX_REQUIRE_DEFINED([AX_APPEND_FLAG]) +for flag in $1; do AX_CHECK_LINK_FLAG([$flag], [AX_APPEND_FLAG([$flag], [m4_default([$2], [LDFLAGS])])], [], [$3]) done ])dnl AX_APPEND_LINK_FLAGS diff --git a/m4/ax_boost_base.m4 b/m4/ax_boost_base.m4 new file mode 100644 index 000000000..8e6ee9a9b --- /dev/null +++ b/m4/ax_boost_base.m4 @@ -0,0 +1,272 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_boost_base.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_BOOST_BASE([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# +# DESCRIPTION +# +# Test for the Boost C++ libraries of a particular version (or newer) +# +# If no path to the installed boost library is given the macro searchs +# under /usr, /usr/local, /opt and /opt/local and evaluates the +# $BOOST_ROOT environment variable. Further documentation is available at +# <http://randspringer.de/boost/index.html>. +# +# This macro calls: +# +# AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS) +# +# And sets: +# +# HAVE_BOOST +# +# LICENSE +# +# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de> +# Copyright (c) 2009 Peter Adolphs +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 23 + +AC_DEFUN([AX_BOOST_BASE], +[ +AC_ARG_WITH([boost], + [AS_HELP_STRING([--with-boost@<:@=ARG@:>@], + [use Boost library from a standard location (ARG=yes), + from the specified location (ARG=<path>), + or disable it (ARG=no) + @<:@ARG=yes@:>@ ])], + [ + if test "$withval" = "no"; then + want_boost="no" + elif test "$withval" = "yes"; then + want_boost="yes" + ac_boost_path="" + else + want_boost="yes" + ac_boost_path="$withval" + fi + ], + [want_boost="yes"]) + + +AC_ARG_WITH([boost-libdir], + AS_HELP_STRING([--with-boost-libdir=LIB_DIR], + [Force given directory for boost libraries. Note that this will override library path detection, so use this parameter only if default library detection fails and you know exactly where your boost libraries are located.]), + [ + if test -d "$withval" + then + ac_boost_lib_path="$withval" + else + AC_MSG_ERROR(--with-boost-libdir expected directory name) + fi + ], + [ac_boost_lib_path=""] +) + +if test "x$want_boost" = "xyes"; then + boost_lib_version_req=ifelse([$1], ,1.20.0,$1) + boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'` + boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'` + boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'` + boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'` + if test "x$boost_lib_version_req_sub_minor" = "x" ; then + boost_lib_version_req_sub_minor="0" + fi + WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+ $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor` + AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req) + succeeded=no + + dnl On 64-bit systems check for system libraries in both lib64 and lib. + dnl The former is specified by FHS, but e.g. Debian does not adhere to + dnl this (as it rises problems for generic multi-arch support). + dnl The last entry in the list is chosen by default when no libraries + dnl are found, e.g. when only header-only libraries are installed! + libsubdirs="lib" + ax_arch=`uname -m` + case $ax_arch in + x86_64|ppc64|s390x|sparc64|aarch64) + libsubdirs="lib64 lib lib64" + ;; + esac + + dnl allow for real multi-arch paths e.g. /usr/lib/x86_64-linux-gnu. Give + dnl them priority over the other paths since, if libs are found there, they + dnl are almost assuredly the ones desired. + AC_REQUIRE([AC_CANONICAL_HOST]) + libsubdirs="lib/${host_cpu}-${host_os} $libsubdirs" + + case ${host_cpu} in + i?86) + libsubdirs="lib/i386-${host_os} $libsubdirs" + ;; + esac + + dnl first we check the system location for boost libraries + dnl this location ist chosen if boost libraries are installed with the --layout=system option + dnl or if you install boost with RPM + if test "$ac_boost_path" != ""; then + BOOST_CPPFLAGS="-I$ac_boost_path/include" + for ac_boost_path_tmp in $libsubdirs; do + if test -d "$ac_boost_path"/"$ac_boost_path_tmp" ; then + BOOST_LDFLAGS="-L$ac_boost_path/$ac_boost_path_tmp" + break + fi + done + elif test "$cross_compiling" != yes; then + for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do + if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then + for libsubdir in $libsubdirs ; do + if ls "$ac_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi + done + BOOST_LDFLAGS="-L$ac_boost_path_tmp/$libsubdir" + BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include" + break; + fi + done + fi + + dnl overwrite ld flags if we have required special directory with + dnl --with-boost-libdir parameter + if test "$ac_boost_lib_path" != ""; then + BOOST_LDFLAGS="-L$ac_boost_lib_path" + fi + + CPPFLAGS_SAVED="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" + export CPPFLAGS + + LDFLAGS_SAVED="$LDFLAGS" + LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" + export LDFLAGS + + AC_REQUIRE([AC_PROG_CXX]) + AC_LANG_PUSH(C++) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ + @%:@include <boost/version.hpp> + ]], [[ + #if BOOST_VERSION >= $WANT_BOOST_VERSION + // Everything is okay + #else + # error Boost version is too old + #endif + ]])],[ + AC_MSG_RESULT(yes) + succeeded=yes + found_system=yes + ],[ + ]) + AC_LANG_POP([C++]) + + + + dnl if we found no boost with system layout we search for boost libraries + dnl built and installed without the --layout=system option or for a staged(not installed) version + if test "x$succeeded" != "xyes"; then + _version=0 + if test "$ac_boost_path" != ""; then + if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then + for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do + _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` + V_CHECK=`expr $_version_tmp \> $_version` + if test "$V_CHECK" = "1" ; then + _version=$_version_tmp + fi + VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` + BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE" + done + fi + else + if test "$cross_compiling" != yes; then + for ac_boost_path in /usr /usr/local /opt /opt/local ; do + if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then + for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do + _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` + V_CHECK=`expr $_version_tmp \> $_version` + if test "$V_CHECK" = "1" ; then + _version=$_version_tmp + best_path=$ac_boost_path + fi + done + fi + done + + VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` + BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE" + if test "$ac_boost_lib_path" = ""; then + for libsubdir in $libsubdirs ; do + if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi + done + BOOST_LDFLAGS="-L$best_path/$libsubdir" + fi + fi + + if test "x$BOOST_ROOT" != "x"; then + for libsubdir in $libsubdirs ; do + if ls "$BOOST_ROOT/stage/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi + done + if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/$libsubdir" && test -r "$BOOST_ROOT/stage/$libsubdir"; then + version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'` + stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'` + stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'` + V_CHECK=`expr $stage_version_shorten \>\= $_version` + if test "$V_CHECK" = "1" -a "$ac_boost_lib_path" = "" ; then + AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT) + BOOST_CPPFLAGS="-I$BOOST_ROOT" + BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir" + fi + fi + fi + fi + + CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" + export CPPFLAGS + LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" + export LDFLAGS + + AC_LANG_PUSH(C++) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ + @%:@include <boost/version.hpp> + ]], [[ + #if BOOST_VERSION >= $WANT_BOOST_VERSION + // Everything is okay + #else + # error Boost version is too old + #endif + ]])],[ + AC_MSG_RESULT(yes) + succeeded=yes + found_system=yes + ],[ + ]) + AC_LANG_POP([C++]) + fi + + if test "$succeeded" != "yes" ; then + if test "$_version" = "0" ; then + AC_MSG_NOTICE([[We could not detect the boost libraries (version $boost_lib_version_req_shorten or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option. If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation.]]) + else + AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).]) + fi + # execute ACTION-IF-NOT-FOUND (if present): + ifelse([$3], , :, [$3]) + else + AC_SUBST(BOOST_CPPFLAGS) + AC_SUBST(BOOST_LDFLAGS) + AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available]) + # execute ACTION-IF-FOUND (if present): + ifelse([$2], , :, [$2]) + fi + + CPPFLAGS="$CPPFLAGS_SAVED" + LDFLAGS="$LDFLAGS_SAVED" +fi + +]) diff --git a/m4/ax_check_compile_flag.m4 b/m4/ax_check_compile_flag.m4 index c3a8d695a..51df0c09a 100644 --- a/m4/ax_check_compile_flag.m4 +++ b/m4/ax_check_compile_flag.m4 @@ -4,7 +4,7 @@ # # SYNOPSIS # -# AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS]) +# AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT]) # # DESCRIPTION # @@ -19,6 +19,8 @@ # the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to # force the compiler to issue an error when a bad flag is given. # +# INPUT gives an alternative input source to AC_COMPILE_IFELSE. +# # NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this # macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG. # @@ -53,7 +55,7 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 2 +#serial 3 AC_DEFUN([AX_CHECK_COMPILE_FLAG], [AC_PREREQ(2.59)dnl for _AC_LANG_PREFIX @@ -61,7 +63,7 @@ AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [ ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1" - AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], + AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])], [AS_VAR_SET(CACHEVAR,[yes])], [AS_VAR_SET(CACHEVAR,[no])]) _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags]) diff --git a/m4/ax_check_link_flag.m4 b/m4/ax_check_link_flag.m4 index e2d0d363e..db899ddd0 100644 --- a/m4/ax_check_link_flag.m4 +++ b/m4/ax_check_link_flag.m4 @@ -4,7 +4,7 @@ # # SYNOPSIS # -# AX_CHECK_LINK_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS]) +# AX_CHECK_LINK_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT]) # # DESCRIPTION # @@ -19,6 +19,8 @@ # EXTRA-FLAGS FLAG". This can for example be used to force the linker to # issue an error when a bad flag is given. # +# INPUT gives an alternative input source to AC_LINK_IFELSE. +# # NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this # macro in sync with AX_CHECK_{PREPROC,COMPILE}_FLAG. # @@ -53,14 +55,14 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 2 +#serial 3 AC_DEFUN([AX_CHECK_LINK_FLAG], [AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_ldflags_$4_$1])dnl AC_CACHE_CHECK([whether the linker accepts $1], CACHEVAR, [ ax_check_save_flags=$LDFLAGS LDFLAGS="$LDFLAGS $4 $1" - AC_LINK_IFELSE([AC_LANG_PROGRAM()], + AC_LINK_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])], [AS_VAR_SET(CACHEVAR,[yes])], [AS_VAR_SET(CACHEVAR,[no])]) LDFLAGS=$ax_check_save_flags]) diff --git a/m4/ax_pthread.m4 b/m4/ax_pthread.m4 new file mode 100644 index 000000000..d383ad5c6 --- /dev/null +++ b/m4/ax_pthread.m4 @@ -0,0 +1,332 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_pthread.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) +# +# DESCRIPTION +# +# This macro figures out how to build C programs using POSIX threads. It +# sets the PTHREAD_LIBS output variable to the threads library and linker +# flags, and the PTHREAD_CFLAGS output variable to any special C compiler +# flags that are needed. (The user can also force certain compiler +# flags/libs to be tested by setting these environment variables.) +# +# Also sets PTHREAD_CC to any special C compiler that is needed for +# multi-threaded programs (defaults to the value of CC otherwise). (This +# is necessary on AIX to use the special cc_r compiler alias.) +# +# NOTE: You are assumed to not only compile your program with these flags, +# but also link it with them as well. e.g. you should link with +# $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS +# +# If you are only building threads programs, you may wish to use these +# variables in your default LIBS, CFLAGS, and CC: +# +# LIBS="$PTHREAD_LIBS $LIBS" +# CFLAGS="$CFLAGS $PTHREAD_CFLAGS" +# CC="$PTHREAD_CC" +# +# In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant +# has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to that name +# (e.g. PTHREAD_CREATE_UNDETACHED on AIX). +# +# Also HAVE_PTHREAD_PRIO_INHERIT is defined if pthread is found and the +# PTHREAD_PRIO_INHERIT symbol is defined when compiling with +# PTHREAD_CFLAGS. +# +# ACTION-IF-FOUND is a list of shell commands to run if a threads library +# is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it +# is not found. If ACTION-IF-FOUND is not specified, the default action +# will define HAVE_PTHREAD. +# +# Please let the authors know if this macro fails on any platform, or if +# you have any other suggestions or comments. This macro was based on work +# by SGJ on autoconf scripts for FFTW (http://www.fftw.org/) (with help +# from M. Frigo), as well as ac_pthread and hb_pthread macros posted by +# Alejandro Forero Cuervo to the autoconf macro repository. We are also +# grateful for the helpful feedback of numerous users. +# +# Updated for Autoconf 2.68 by Daniel Richard G. +# +# LICENSE +# +# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu> +# Copyright (c) 2011 Daniel Richard G. <skunk@iSKUNK.ORG> +# +# This program 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 of the License, or (at your +# option) any later version. +# +# This program 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 this program. If not, see <http://www.gnu.org/licenses/>. +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 21 + +AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD]) +AC_DEFUN([AX_PTHREAD], [ +AC_REQUIRE([AC_CANONICAL_HOST]) +AC_LANG_PUSH([C]) +ax_pthread_ok=no + +# We used to check for pthread.h first, but this fails if pthread.h +# requires special compiler flags (e.g. on True64 or Sequent). +# It gets checked for in the link test anyway. + +# First of all, check if the user has set any of the PTHREAD_LIBS, +# etcetera environment variables, and if threads linking works using +# them: +if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + save_LIBS="$LIBS" + LIBS="$PTHREAD_LIBS $LIBS" + AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS]) + AC_TRY_LINK_FUNC([pthread_join], [ax_pthread_ok=yes]) + AC_MSG_RESULT([$ax_pthread_ok]) + if test x"$ax_pthread_ok" = xno; then + PTHREAD_LIBS="" + PTHREAD_CFLAGS="" + fi + LIBS="$save_LIBS" + CFLAGS="$save_CFLAGS" +fi + +# We must check for the threads library under a number of different +# names; the ordering is very important because some systems +# (e.g. DEC) have both -lpthread and -lpthreads, where one of the +# libraries is broken (non-POSIX). + +# Create a list of thread flags to try. Items starting with a "-" are +# C compiler flags, and other items are library names, except for "none" +# which indicates that we try without any flags at all, and "pthread-config" +# which is a program returning the flags for the Pth emulation library. + +ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" + +# The ordering *is* (sometimes) important. Some notes on the +# individual items follow: + +# pthreads: AIX (must check this before -lpthread) +# none: in case threads are in libc; should be tried before -Kthread and +# other compiler flags to prevent continual compiler warnings +# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h) +# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able) +# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread) +# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads) +# -pthreads: Solaris/gcc +# -mthreads: Mingw32/gcc, Lynx/gcc +# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it +# doesn't hurt to check since this sometimes defines pthreads too; +# also defines -D_REENTRANT) +# ... -mt is also the pthreads flag for HP/aCC +# pthread: Linux, etcetera +# --thread-safe: KAI C++ +# pthread-config: use pthread-config program (for GNU Pth library) + +case ${host_os} in + solaris*) + + # On Solaris (at least, for some versions), libc contains stubbed + # (non-functional) versions of the pthreads routines, so link-based + # tests will erroneously succeed. (We need to link with -pthreads/-mt/ + # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather + # a function called by this macro, so we could check for that, but + # who knows whether they'll stub that too in a future libc.) So, + # we'll just look for -pthreads and -lpthread first: + + ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags" + ;; + + darwin*) + ax_pthread_flags="-pthread $ax_pthread_flags" + ;; +esac + +# Clang doesn't consider unrecognized options an error unless we specify +# -Werror. We throw in some extra Clang-specific options to ensure that +# this doesn't happen for GCC, which also accepts -Werror. + +AC_MSG_CHECKING([if compiler needs -Werror to reject unknown flags]) +save_CFLAGS="$CFLAGS" +ax_pthread_extra_flags="-Werror" +CFLAGS="$CFLAGS $ax_pthread_extra_flags -Wunknown-warning-option -Wsizeof-array-argument" +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([int foo(void);],[foo()])], + [AC_MSG_RESULT([yes])], + [ax_pthread_extra_flags= + AC_MSG_RESULT([no])]) +CFLAGS="$save_CFLAGS" + +if test x"$ax_pthread_ok" = xno; then +for flag in $ax_pthread_flags; do + + case $flag in + none) + AC_MSG_CHECKING([whether pthreads work without any flags]) + ;; + + -*) + AC_MSG_CHECKING([whether pthreads work with $flag]) + PTHREAD_CFLAGS="$flag" + ;; + + pthread-config) + AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no]) + if test x"$ax_pthread_config" = xno; then continue; fi + PTHREAD_CFLAGS="`pthread-config --cflags`" + PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" + ;; + + *) + AC_MSG_CHECKING([for the pthreads library -l$flag]) + PTHREAD_LIBS="-l$flag" + ;; + esac + + save_LIBS="$LIBS" + save_CFLAGS="$CFLAGS" + LIBS="$PTHREAD_LIBS $LIBS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS $ax_pthread_extra_flags" + + # Check for various functions. We must include pthread.h, + # since some functions may be macros. (On the Sequent, we + # need a special flag -Kthread to make this header compile.) + # We check for pthread_join because it is in -lpthread on IRIX + # while pthread_create is in libc. We check for pthread_attr_init + # due to DEC craziness with -lpthreads. We check for + # pthread_cleanup_push because it is one of the few pthread + # functions on Solaris that doesn't have a non-functional libc stub. + # We try pthread_create on general principles. + AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h> + static void routine(void *a) { a = 0; } + static void *start_routine(void *a) { return a; }], + [pthread_t th; pthread_attr_t attr; + pthread_create(&th, 0, start_routine, 0); + pthread_join(th, 0); + pthread_attr_init(&attr); + pthread_cleanup_push(routine, 0); + pthread_cleanup_pop(0) /* ; */])], + [ax_pthread_ok=yes], + []) + + LIBS="$save_LIBS" + CFLAGS="$save_CFLAGS" + + AC_MSG_RESULT([$ax_pthread_ok]) + if test "x$ax_pthread_ok" = xyes; then + break; + fi + + PTHREAD_LIBS="" + PTHREAD_CFLAGS="" +done +fi + +# Various other checks: +if test "x$ax_pthread_ok" = xyes; then + save_LIBS="$LIBS" + LIBS="$PTHREAD_LIBS $LIBS" + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + + # Detect AIX lossage: JOINABLE attribute is called UNDETACHED. + AC_MSG_CHECKING([for joinable pthread attribute]) + attr_name=unknown + for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do + AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>], + [int attr = $attr; return attr /* ; */])], + [attr_name=$attr; break], + []) + done + AC_MSG_RESULT([$attr_name]) + if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then + AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE], [$attr_name], + [Define to necessary symbol if this constant + uses a non-standard name on your system.]) + fi + + AC_MSG_CHECKING([if more special flags are required for pthreads]) + flag=no + case ${host_os} in + aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";; + osf* | hpux*) flag="-D_REENTRANT";; + solaris*) + if test "$GCC" = "yes"; then + flag="-D_REENTRANT" + else + # TODO: What about Clang on Solaris? + flag="-mt -D_REENTRANT" + fi + ;; + esac + AC_MSG_RESULT([$flag]) + if test "x$flag" != xno; then + PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS" + fi + + AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT], + [ax_cv_PTHREAD_PRIO_INHERIT], [ + AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]], + [[int i = PTHREAD_PRIO_INHERIT;]])], + [ax_cv_PTHREAD_PRIO_INHERIT=yes], + [ax_cv_PTHREAD_PRIO_INHERIT=no]) + ]) + AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"], + [AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])]) + + LIBS="$save_LIBS" + CFLAGS="$save_CFLAGS" + + # More AIX lossage: compile with *_r variant + if test "x$GCC" != xyes; then + case $host_os in + aix*) + AS_CASE(["x/$CC"], + [x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6], + [#handle absolute path differently from PATH based program lookup + AS_CASE(["x$CC"], + [x/*], + [AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])], + [AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])]) + ;; + esac + fi +fi + +test -n "$PTHREAD_CC" || PTHREAD_CC="$CC" + +AC_SUBST([PTHREAD_LIBS]) +AC_SUBST([PTHREAD_CFLAGS]) +AC_SUBST([PTHREAD_CC]) + +# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: +if test x"$ax_pthread_ok" = xyes; then + ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1]) + : +else + ax_pthread_ok=no + $2 +fi +AC_LANG_POP +])dnl AX_PTHREAD diff --git a/m4/ax_require_defined.m4 b/m4/ax_require_defined.m4 new file mode 100644 index 000000000..cae11112d --- /dev/null +++ b/m4/ax_require_defined.m4 @@ -0,0 +1,37 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_require_defined.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_REQUIRE_DEFINED(MACRO) +# +# DESCRIPTION +# +# AX_REQUIRE_DEFINED is a simple helper for making sure other macros have +# been defined and thus are available for use. This avoids random issues +# where a macro isn't expanded. Instead the configure script emits a +# non-fatal: +# +# ./configure: line 1673: AX_CFLAGS_WARN_ALL: command not found +# +# It's like AC_REQUIRE except it doesn't expand the required macro. +# +# Here's an example: +# +# AX_REQUIRE_DEFINED([AX_CHECK_LINK_FLAG]) +# +# LICENSE +# +# Copyright (c) 2014 Mike Frysinger <vapier@gentoo.org> +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 1 + +AC_DEFUN([AX_REQUIRE_DEFINED], [dnl + m4_ifndef([$1], [m4_fatal([macro ]$1[ is not defined; is a m4 file missing?])]) +])dnl AX_REQUIRE_DEFINED diff --git a/m4/mpd_depends.m4 b/m4/mpd_depends.m4 new file mode 100644 index 000000000..4898f9084 --- /dev/null +++ b/m4/mpd_depends.m4 @@ -0,0 +1,9 @@ +AC_DEFUN([MPD_DEPENDS], [ + if test x$$2 = xno; then + if test x$$1 = xauto; then + $1=no + elif test x$$1 = xyes; then + AC_MSG_ERROR([$3]) + fi + fi +]) diff --git a/m4/mpd_func.m4 b/m4/mpd_func.m4 index d12d27062..5f2bf8f3d 100644 --- a/m4/mpd_func.m4 +++ b/m4/mpd_func.m4 @@ -10,3 +10,16 @@ AC_DEFUN([MPD_OPTIONAL_FUNC], [ [AC_CHECK_FUNC([$2], [AC_DEFINE([$3], 1, [Define to use $1])],)]) ]) + +dnl MPD_OPTIONAL_FUNC_NODEF(name, func) +dnl +dnl Allow the user to enable or disable the use of a function. +dnl Works similar to MPD_OPTIONAL_FUNC, however MPD_OPTIONAL_FUNC_NODEF +dnl does not invoke AC_DEFINE when function is enabled. Shell variable +dnl enable_$name is set to "yes" instead. +AC_DEFUN([MPD_OPTIONAL_FUNC_NODEF], [ + AC_ARG_ENABLE([$1], + AS_HELP_STRING([--enable-$1], + [use the function "$1" (default: auto)]),, + [AC_CHECK_FUNC([$2], [enable_$1=yes],)]) +]) @@ -1,4 +1,5 @@ # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- +# serial 1 (pkg-config-0.24) # # Copyright © 2004 Scott James Remnant <scott@netsplit.com>. # @@ -25,8 +26,12 @@ # ---------------------------------- AC_DEFUN([PKG_PROG_PKG_CONFIG], [m4_pattern_forbid([^_?PKG_[A-Z_]+$]) -m4_pattern_allow([^PKG_CONFIG(_PATH)?$]) -AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl +m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) +m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) +AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) +AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) +AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) + if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) fi @@ -39,7 +44,6 @@ if test -n "$PKG_CONFIG"; then AC_MSG_RESULT([no]) PKG_CONFIG="" fi - fi[]dnl ])# PKG_PROG_PKG_CONFIG @@ -48,34 +52,32 @@ fi[]dnl # Check to see whether a particular set of modules exists. Similar # to PKG_CHECK_MODULES(), but does not set variables or print errors. # -# -# Similar to PKG_CHECK_MODULES, make sure that the first instance of -# this or PKG_CHECK_MODULES is called, or make sure to call -# PKG_CHECK_EXISTS manually +# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) +# only at the first occurence in configure.ac, so if the first place +# it's called might be skipped (such as if it is within an "if", you +# have to call PKG_CHECK_EXISTS manually # -------------------------------------------------------------- AC_DEFUN([PKG_CHECK_EXISTS], [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl if test -n "$PKG_CONFIG" && \ AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then - m4_ifval([$2], [$2], [:]) + m4_default([$2], [:]) m4_ifvaln([$3], [else $3])dnl fi]) - # _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) # --------------------------------------------- m4_define([_PKG_CONFIG], -[if test -n "$PKG_CONFIG"; then - if test -n "$$1"; then - pkg_cv_[]$1="$$1" - else - PKG_CHECK_EXISTS([$3], - [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`], - [pkg_failed=yes]) - fi -else - pkg_failed=untried +[if test -n "$$1"; then + pkg_cv_[]$1="$$1" + elif test -n "$PKG_CONFIG"; then + PKG_CHECK_EXISTS([$3], + [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes ], + [pkg_failed=yes]) + else + pkg_failed=untried fi[]dnl ])# _PKG_CONFIG @@ -117,16 +119,17 @@ and $1[]_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details.]) if test $pkg_failed = yes; then + AC_MSG_RESULT([no]) _PKG_SHORT_ERRORS_SUPPORTED if test $_pkg_short_errors_supported = yes; then - $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "$2"` + $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` else - $1[]_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"` + $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD - ifelse([$4], , [AC_MSG_ERROR(dnl + m4_default([$4], [AC_MSG_ERROR( [Package requirements ($2) were not met: $$1_PKG_ERRORS @@ -134,24 +137,78 @@ $$1_PKG_ERRORS Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. -_PKG_TEXT -])], - [AC_MSG_RESULT([no]) - $4]) +_PKG_TEXT])[]dnl + ]) elif test $pkg_failed = untried; then - ifelse([$4], , [AC_MSG_FAILURE(dnl + AC_MSG_RESULT([no]) + m4_default([$4], [AC_MSG_FAILURE( [The pkg-config script could not be found or is too old. Make sure it is in your PATH or set the PKG_CONFIG environment variable to the full path to pkg-config. _PKG_TEXT -To get pkg-config, see <http://www.freedesktop.org/software/pkgconfig>.])], - [$4]) +To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl + ]) else $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS $1[]_LIBS=$pkg_cv_[]$1[]_LIBS AC_MSG_RESULT([yes]) - ifelse([$3], , :, [$3]) + $3 fi[]dnl ])# PKG_CHECK_MODULES + + +# PKG_INSTALLDIR(DIRECTORY) +# ------------------------- +# Substitutes the variable pkgconfigdir as the location where a module +# should install pkg-config .pc files. By default the directory is +# $libdir/pkgconfig, but the default can be changed by passing +# DIRECTORY. The user can override through the --with-pkgconfigdir +# parameter. +AC_DEFUN([PKG_INSTALLDIR], +[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) +m4_pushdef([pkg_description], + [pkg-config installation directory @<:@]pkg_default[@:>@]) +AC_ARG_WITH([pkgconfigdir], + [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],, + [with_pkgconfigdir=]pkg_default) +AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) +m4_popdef([pkg_default]) +m4_popdef([pkg_description]) +]) dnl PKG_INSTALLDIR + + +# PKG_NOARCH_INSTALLDIR(DIRECTORY) +# ------------------------- +# Substitutes the variable noarch_pkgconfigdir as the location where a +# module should install arch-independent pkg-config .pc files. By +# default the directory is $datadir/pkgconfig, but the default can be +# changed by passing DIRECTORY. The user can override through the +# --with-noarch-pkgconfigdir parameter. +AC_DEFUN([PKG_NOARCH_INSTALLDIR], +[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) +m4_pushdef([pkg_description], + [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@]) +AC_ARG_WITH([noarch-pkgconfigdir], + [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],, + [with_noarch_pkgconfigdir=]pkg_default) +AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) +m4_popdef([pkg_default]) +m4_popdef([pkg_description]) +]) dnl PKG_NOARCH_INSTALLDIR + + +# PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, +# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# ------------------------------------------- +# Retrieves the value of the pkg-config variable for the given module. +AC_DEFUN([PKG_CHECK_VAR], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl +AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl + +_PKG_CONFIG([$1], [variable="][$3]["], [$2]) +AS_VAR_COPY([$1], [pkg_cv_][$1]) + +AS_VAR_IF([$1], [""], [$5], [$4])dnl +])# PKG_CHECK_VAR diff --git a/m4/ucred.m4 b/m4/ucred.m4 index cdc6ea3b3..f53649985 100644 --- a/m4/ucred.m4 +++ b/m4/ucred.m4 @@ -1,5 +1,4 @@ -# Check if "struct ucred" is available. If not, try harder with -# _GNU_SOURCE. +# Check if "struct ucred" is available. # # Author: Max Kellermann <max@duempel.org> @@ -10,19 +9,6 @@ AC_DEFUN([STRUCT_UCRED],[ [struct ucred cred;], mpd_cv_have_struct_ucred=yes, mpd_cv_have_struct_ucred=no) - if test x$mpd_cv_have_struct_ucred = xno; then - # glibc 2.8 forces _GNU_SOURCE on us - AC_TRY_COMPILE( - [#define _GNU_SOURCE - #include <sys/socket.h>], - [struct ucred cred;], - mpd_cv_have_struct_ucred=yes, - mpd_cv_have_struct_ucred=no) - if test x$mpd_cv_have_struct_ucred = xyes; then - # :( - CFLAGS="$CFLAGS -D_GNU_SOURCE" - fi - fi ]) AC_MSG_RESULT($mpd_cv_have_struct_ucred) |