diff --git a/m4/ax_restore_flags.m4 b/m4/ax_restore_flags.m4 index cf03cae7..8f2adf27 100644 --- a/m4/ax_restore_flags.m4 +++ b/m4/ax_restore_flags.m4 @@ -1,31 +1,52 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_restore_flags.html +# https://www.gnu.org/software/autoconf-archive/ax_restore_flags.html # =========================================================================== # # SYNOPSIS # -# AX_RESTORE_FLAGS() +# AX_RESTORE_FLAGS([namespace]) # # DESCRIPTION # -# Restore common compilation flags from temporary variables +# Restore common compilation flags from temporary variables. +# +# Compilation flags includes: CPPFLAGS, CFLAGS, CXXFLAGS, LDFLAGS, LIBS, +# OBJCFLAGS. +# +# By default these flags are restored to a global (empty) namespace, but +# user could restore from specific NAMESPACE by using +# AX_RESTORE_FLAGS(NAMESPACE) macro. +# +# Typical usage is like: +# +# AX_SAVE_FLAGS(mypackage) +# CPPFLAGS="-Imypackagespath ${CPPFLAGS}" +# dnl ... do some detection ... +# AX_RESTORE_FLAGS(mypackage) # # LICENSE # # Copyright (c) 2009 Filippo Giunchedi +# Copyright (c) 2011 The Board of Trustees of the Leland Stanford Junior University +# Copyright (c) 2011 Russ Allbery +# Copyright (c) 2013 Bastien ROUCARIES # # 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 3 +#serial 7 + +# save one flag in name space +AC_DEFUN([_AX_RESTORE_ONE_FLAG],[dnl + AS_VAR_PUSHDEF([_ax_restore_flag_var], [$2[]_$1[]_ax_save_flags]) + AS_VAR_COPY($2[],_ax_restore_flag_var) + AS_VAR_POPDEF([_ax_restore_flag_var]) +]) -AC_DEFUN([AX_RESTORE_FLAGS], [ - CPPFLAGS="${CPPFLAGS_save}" - CFLAGS="${CFLAGS_save}" - CXXFLAGS="${CXXFLAGS_save}" - OBJCFLAGS="${OBJCFLAGS_save}" - LDFLAGS="${LDFLAGS_save}" - LIBS="${LIBS_save}" +AC_DEFUN([AX_RESTORE_FLAGS], [dnl + m4_foreach([FLAG], dnl + [_AX_SAVE_FLAGS_LIST()], dnl + [_AX_RESTORE_ONE_FLAG([$1],FLAG)]) ]) diff --git a/m4/ax_save_flags.m4 b/m4/ax_save_flags.m4 index d2a05422..5bc7c6c7 100644 --- a/m4/ax_save_flags.m4 +++ b/m4/ax_save_flags.m4 @@ -1,31 +1,71 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_save_flags.html +# https://www.gnu.org/software/autoconf-archive/ax_save_flags.html # =========================================================================== # # SYNOPSIS # -# AX_SAVE_FLAGS() +# AX_SAVE_FLAGS([NAMESPACE]) # # DESCRIPTION # -# Save common compilation flags into temporary variables +# Save common compilation flags into temporary variables. +# +# Compilation flags includes: CPPFLAGS, CFLAGS, CXXFLAGS, LDFLAGS, LIBS, +# OBJCFLAGS. +# +# By default these flags are saved to a global (empty) namespace, but user +# could specify a specific NAMESPACE to AX_SAVE_FLAGS macro and latter +# restore it by using AX_RESTORE_FLAGS(NAMESPACE). +# +# AX_SAVE_FLAGS(mypackage) +# CPPFLAGS="-Imypackagespath ${CPPFLAGS}" +# dnl .. do some detection ... +# AX_RESTORE_FLAGS(mypackage) # # LICENSE # # Copyright (c) 2009 Filippo Giunchedi +# Copyright (c) 2011 The Board of Trustees of the Leland Stanford Junior University +# Copyright (c) 2011 Russ Allbery +# Copyright (c) 2013 Bastien ROUCARIES # # 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 3 +#serial 8 + +# list of flag to save +AC_DEFUN([_AX_SAVE_FLAGS_LIST],[dnl +[CCASFLAGS],dnl +[CFLAGS],dnl +[CPPFLAGS],dnl +[CXXFLAGS],dnl +[ERLCFLAGS],dnl +[FCFLAGS],dnl +[FCLIBS],dnl +[FFLAGS],dnl +[FLIBS],dnl +[GCJFLAGS],dnl +[JAVACFLAGS],dnl +[LDFLAGS],dnl +[LIBS],dnl +[OBJCFLAGS],dnl +[OBJCXXFLAGS],dnl +[UPCFLAGS],dnl +[VALAFLAGS]dnl +]) + +# save one flag in name space +AC_DEFUN([_AX_SAVE_ONE_FLAG],[ + AS_VAR_PUSHDEF([_ax_save_flag_var], [$2[]_$1[]_ax_save_flags]) + AS_VAR_COPY(_ax_save_flag_var, $2[]) + AS_VAR_POPDEF([_ax_save_flag_var]) +]) -AC_DEFUN([AX_SAVE_FLAGS], [ - CPPFLAGS_save="${CPPFLAGS}" - CFLAGS_save="${CFLAGS}" - CXXFLAGS_save="${CXXFLAGS}" - OBJCFLAGS_save="${OBJCFLAGS}" - LDFLAGS_save="${LDFLAGS}" - LIBS_save="${LIBS}" +AC_DEFUN([AX_SAVE_FLAGS],[dnl + m4_foreach([FLAG], dnl + [_AX_SAVE_FLAGS_LIST()], dnl + [_AX_SAVE_ONE_FLAG([$1],FLAG)]) ]) diff --git a/m4/libcurl.m4 b/m4/libcurl.m4 index d7d5a525..c76a5e89 100644 --- a/m4/libcurl.m4 +++ b/m4/libcurl.m4 @@ -1,5 +1,28 @@ -# LIBCURL_CHECK_CONFIG ([DEFAULT-ACTION], [MINIMUM-VERSION], -# [ACTION-IF-YES], [ACTION-IF-NO]) +#*************************************************************************** +# _ _ ____ _ +# Project ___| | | | _ \| | +# / __| | | | |_) | | +# | (__| |_| | _ <| |___ +# \___|\___/|_| \_\_____| +# +# Copyright (C) David Shaw +# +# This software is licensed as described in the file COPYING, which +# you should have received as part of this distribution. The terms +# are also available at https://curl.se/docs/copyright.html. +# +# You may opt to use, copy, modify, merge, publish, distribute and/or sell +# copies of the Software, and permit persons to whom the Software is +# furnished to do so, under the terms of the COPYING file. +# +# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY +# KIND, either express or implied. +# +# SPDX-License-Identifier: curl +# +########################################################################### +# LIBCURL_CHECK_CONFIG([DEFAULT-ACTION], [MINIMUM-VERSION], +# [ACTION-IF-YES], [ACTION-IF-NO]) # ---------------------------------------------------------- # David Shaw May-09-2006 # @@ -18,22 +41,21 @@ # values. Other useful defines are LIBCURL_FEATURE_xxx where xxx are # the various features supported by libcurl, and LIBCURL_PROTOCOL_yyy # where yyy are the various protocols supported by libcurl. Both xxx -# and yyy are capitalized. See the list of AH_TEMPLATEs at the top of -# the macro for the complete list of possible defines. Shell +# and yyy are capitalized. See the list of AH_TEMPLATE macros at the top +# of the macro for the complete list of possible defines. Shell # variables $libcurl_feature_xxx and $libcurl_protocol_yyy are also # defined to 'yes' for those features and protocols that were found. # Note that xxx and yyy keep the same capitalization as in the -# curl-config list (e.g. it's "HTTP" and not "http"). +# curl-config list (e.g. it is "HTTP" and not "http"). # # Users may override the detected values by doing something like: # LIBCURL="-lcurl" LIBCURL_CPPFLAGS="-I/usr/myinclude" ./configure # -# For the sake of sanity, this macro assumes that any libcurl that is -# found is after version 7.7.2, the first version that included the -# curl-config script. Note that it is very important for people -# packaging binary versions of libcurl to include this script! -# Without curl-config, we can only guess what protocols are available, -# or use curl_version_info to figure it out at runtime. +# For the sake of sanity, this macro assumes that any libcurl that is found is +# after version 7.7.2, the first version that included the curl-config script. +# Note that it is important for people packaging binary versions of libcurl to +# include this script! Without curl-config, we can only guess what protocols +# are available, or use curl_version_info to figure it out at runtime. AC_DEFUN([LIBCURL_CHECK_CONFIG], [ @@ -61,191 +83,191 @@ AC_DEFUN([LIBCURL_CHECK_CONFIG], AH_TEMPLATE([LIBCURL_PROTOCOL_SMTP],[Defined if libcurl supports SMTP]) AC_ARG_WITH(libcurl, - AC_HELP_STRING([--with-libcurl=PREFIX],[look for the curl library in PREFIX/lib and headers in PREFIX/include]), - [_libcurl_with=$withval],[_libcurl_with=ifelse([$1],,[yes],[$1])]) - - if test "$_libcurl_with" != "no" ; then - - AC_PROG_AWK - - _libcurl_version_parse="eval $AWK '{split(\$NF,A,\".\"); X=256*256*A[[1]]+256*A[[2]]+A[[3]]; print X;}'" - - _libcurl_try_link=yes - - if test -d "$_libcurl_with" ; then - LIBCURL_CPPFLAGS="-I$withval/include" - _libcurl_ldflags="-L$withval/lib" - AC_PATH_PROG([_libcurl_config],[curl-config],[], - ["$withval/bin"]) - else - AC_PATH_PROG([_libcurl_config],[curl-config],[],[$PATH]) - fi - - if test x$_libcurl_config != "x" ; then - AC_CACHE_CHECK([for the version of libcurl], - [libcurl_cv_lib_curl_version], - [libcurl_cv_lib_curl_version=`$_libcurl_config --version | $AWK '{print $[]2}'`]) - - _libcurl_version=`echo $libcurl_cv_lib_curl_version | $_libcurl_version_parse` - _libcurl_wanted=`echo ifelse([$2],,[0],[$2]) | $_libcurl_version_parse` - - if test $_libcurl_wanted -gt 0 ; then - AC_CACHE_CHECK([for libcurl >= version $2], - [libcurl_cv_lib_version_ok], - [ - if test $_libcurl_version -ge $_libcurl_wanted ; then - libcurl_cv_lib_version_ok=yes - else - libcurl_cv_lib_version_ok=no - fi - ]) + AS_HELP_STRING([--with-libcurl=PREFIX],[look for the curl library in PREFIX/lib and headers in PREFIX/include]), + [_libcurl_with=$withval],[_libcurl_with=ifelse([$1],,[yes],[$1])]) + + if test "x$_libcurl_with" != "xno"; then + + AC_PROG_AWK + + _libcurl_version_parse="eval $AWK '{split(\$NF,A,\".\"); X=256*256*A[[1]]+256*A[[2]]+A[[3]]; print X;}'" + + _libcurl_try_link=yes + + if test -d "$_libcurl_with"; then + LIBCURL_CPPFLAGS="-I$withval/include" + _libcurl_ldflags="-L$withval/lib" + AC_PATH_PROG([_libcurl_config],[curl-config],[],["$withval/bin"]) + else + AC_PATH_PROG([_libcurl_config],[curl-config],[],[$PATH]) + fi + + if test -n "$_libcurl_config"; then + AC_CACHE_CHECK([for the version of libcurl], + [libcurl_cv_lib_curl_version], + [libcurl_cv_lib_curl_version=`$_libcurl_config --version | $AWK '{print $[]2}'`]) + + _libcurl_version=`echo $libcurl_cv_lib_curl_version | $_libcurl_version_parse` + _libcurl_wanted=`echo ifelse([$2],,[0],[$2]) | $_libcurl_version_parse` + + if test "$_libcurl_wanted" -gt 0; then + AC_CACHE_CHECK([for libcurl >= version $2], + [libcurl_cv_lib_version_ok], + [ + if test "$_libcurl_version" -ge "$_libcurl_wanted"; then + libcurl_cv_lib_version_ok=yes + else + libcurl_cv_lib_version_ok=no + fi + ]) + fi + + if test "$_libcurl_wanted" -eq 0 || test "$libcurl_cv_lib_version_ok" = "yes"; then + if test -z "$LIBCURL_CPPFLAGS"; then + LIBCURL_CPPFLAGS=`$_libcurl_config --cflags` fi - - if test $_libcurl_wanted -eq 0 || test x$libcurl_cv_lib_version_ok = xyes ; then - if test x"$LIBCURL_CPPFLAGS" = "x" ; then - LIBCURL_CPPFLAGS=`$_libcurl_config --cflags` - fi - if test x"$LIBCURL" = "x" ; then - LIBCURL=`$_libcurl_config --libs` - - # This is so silly, but Apple actually has a bug in their - # curl-config script. Fixed in Tiger, but there are still - # lots of Panther installs around. - case "${host}" in - powerpc-apple-darwin7*) - LIBCURL=`echo $LIBCURL | sed -e 's|-arch i386||g'` - ;; - esac - fi - - # All curl-config scripts support --feature - _libcurl_features=`$_libcurl_config --feature` - - # Is it modern enough to have --protocols? (7.12.4) - if test $_libcurl_version -ge 461828 ; then - _libcurl_protocols=`$_libcurl_config --protocols` - fi - else - _libcurl_try_link=no + if test -z "$LIBCURL"; then + LIBCURL=`$_libcurl_config --libs` + + # This is so silly, but Apple actually has a bug in their + # curl-config script. Fixed in Tiger, but there are still + # lots of Panther installs around. + case "${host}" in + powerpc-apple-darwin7*) + LIBCURL=`echo $LIBCURL | sed -e 's|-arch i386||g'` + ;; + esac fi - unset _libcurl_wanted - fi - - if test $_libcurl_try_link = yes ; then - - # we didn't find curl-config, so let's see if the user-supplied - # link line (or failing that, "-lcurl") is enough. - LIBCURL=${LIBCURL-"$_libcurl_ldflags -lcurl"} - - AC_CACHE_CHECK([whether libcurl is usable], - [libcurl_cv_lib_curl_usable], - [ - _libcurl_save_cppflags=$CPPFLAGS - CPPFLAGS="$LIBCURL_CPPFLAGS $CPPFLAGS" - _libcurl_save_libs=$LIBS - LIBS="$LIBCURL $LIBS" - - AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]],[[ -/* Try and use a few common options to force a failure if we are - missing symbols or can't link. */ -int x; -curl_easy_setopt(NULL,CURLOPT_URL,NULL); -x=CURL_ERROR_SIZE; -x=CURLOPT_WRITEFUNCTION; -x=CURLOPT_FILE; -x=CURLOPT_ERRORBUFFER; -x=CURLOPT_STDERR; -x=CURLOPT_VERBOSE; -if (x) ; -]])],libcurl_cv_lib_curl_usable=yes,libcurl_cv_lib_curl_usable=no) - - CPPFLAGS=$_libcurl_save_cppflags - LIBS=$_libcurl_save_libs - unset _libcurl_save_cppflags - unset _libcurl_save_libs - ]) - - if test $libcurl_cv_lib_curl_usable = yes ; then - - # Does curl_free() exist in this version of libcurl? - # If not, fake it with free() - - _libcurl_save_cppflags=$CPPFLAGS - CPPFLAGS="$CPPFLAGS $LIBCURL_CPPFLAGS" - _libcurl_save_libs=$LIBS - LIBS="$LIBS $LIBCURL" - - AC_CHECK_FUNC(curl_free,, - AC_DEFINE(curl_free,free, - [Define curl_free() as free() if our version of curl lacks curl_free.])) - - CPPFLAGS=$_libcurl_save_cppflags - LIBS=$_libcurl_save_libs - unset _libcurl_save_cppflags - unset _libcurl_save_libs - - AC_DEFINE(HAVE_LIBCURL,1, - [Define to 1 if you have a functional curl library.]) - AC_SUBST(LIBCURL_CPPFLAGS) - AC_SUBST(LIBCURL) - - for _libcurl_feature in $_libcurl_features ; do - AC_DEFINE_UNQUOTED(AS_TR_CPP(libcurl_feature_$_libcurl_feature),[1]) - eval AS_TR_SH(libcurl_feature_$_libcurl_feature)=yes - done - - if test "x$_libcurl_protocols" = "x" ; then - - # We don't have --protocols, so just assume that all - # protocols are available - _libcurl_protocols="HTTP FTP FILE TELNET LDAP DICT TFTP" - - if test x$libcurl_feature_SSL = xyes ; then - _libcurl_protocols="$_libcurl_protocols HTTPS" - - # FTPS wasn't standards-compliant until version - # 7.11.0 (0x070b00 == 461568) - if test $_libcurl_version -ge 461568; then - _libcurl_protocols="$_libcurl_protocols FTPS" - fi - fi - - # RTSP, IMAP, POP3 and SMTP were added in - # 7.20.0 (0x071400 == 463872) - if test $_libcurl_version -ge 463872; then - _libcurl_protocols="$_libcurl_protocols RTSP IMAP POP3 SMTP" - fi - fi - - for _libcurl_protocol in $_libcurl_protocols ; do - AC_DEFINE_UNQUOTED(AS_TR_CPP(libcurl_protocol_$_libcurl_protocol),[1]) - eval AS_TR_SH(libcurl_protocol_$_libcurl_protocol)=yes - done - else - unset LIBCURL - unset LIBCURL_CPPFLAGS + # All curl-config scripts support --feature + _libcurl_features=`$_libcurl_config --feature` + + # Is it modern enough to have --protocols? (7.12.4) + if test "$_libcurl_version" -ge 461828; then + _libcurl_protocols=`$_libcurl_config --protocols` fi - fi - - unset _libcurl_try_link - unset _libcurl_version_parse - unset _libcurl_config - unset _libcurl_feature - unset _libcurl_features - unset _libcurl_protocol - unset _libcurl_protocols - unset _libcurl_version - unset _libcurl_ldflags + else + _libcurl_try_link=no + fi + + unset _libcurl_wanted + fi + + if test "$_libcurl_try_link" = "yes"; then + + # we did not find curl-config, so let's see if the user-supplied + # link line (or failing that, "-lcurl") is enough. + LIBCURL=${LIBCURL-"$_libcurl_ldflags -lcurl"} + + AC_CACHE_CHECK([whether libcurl is usable], + [libcurl_cv_lib_curl_usable], + [ + _libcurl_save_cppflags=$CPPFLAGS + CPPFLAGS="$LIBCURL_CPPFLAGS $CPPFLAGS" + _libcurl_save_libs=$LIBS + LIBS="$LIBCURL $LIBS" + + AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]],[[ + /* Try to use a few common options to force a failure if we are + missing symbols or cannot link. */ + int x; + curl_easy_setopt(NULL,CURLOPT_URL,NULL); + x=CURL_ERROR_SIZE; + x=CURLOPT_WRITEFUNCTION; + x=CURLOPT_WRITEDATA; + x=CURLOPT_ERRORBUFFER; + x=CURLOPT_STDERR; + x=CURLOPT_VERBOSE; + if(x) {;} + ]])],libcurl_cv_lib_curl_usable=yes,libcurl_cv_lib_curl_usable=no) + + CPPFLAGS=$_libcurl_save_cppflags + LIBS=$_libcurl_save_libs + unset _libcurl_save_cppflags + unset _libcurl_save_libs + ]) + + if test "$libcurl_cv_lib_curl_usable" = "yes"; then + + # Does curl_free() exist in this version of libcurl? + # If not, fake it with free() + + _libcurl_save_cppflags=$CPPFLAGS + CPPFLAGS="$CPPFLAGS $LIBCURL_CPPFLAGS" + _libcurl_save_libs=$LIBS + LIBS="$LIBS $LIBCURL" + + AC_CHECK_DECL([curl_free],[], + [AC_DEFINE([curl_free],[free], + [Define curl_free() as free() if our version of curl lacks curl_free.])], + [[#include ]]) + + CPPFLAGS=$_libcurl_save_cppflags + LIBS=$_libcurl_save_libs + unset _libcurl_save_cppflags + unset _libcurl_save_libs + + AC_DEFINE(HAVE_LIBCURL,1, + [Define to 1 if you have a functional curl library.]) + AC_SUBST(LIBCURL_CPPFLAGS) + AC_SUBST(LIBCURL) + + for _libcurl_feature in $_libcurl_features; do + AC_DEFINE_UNQUOTED(AS_TR_CPP(libcurl_feature_$_libcurl_feature),[1]) + eval AS_TR_SH(libcurl_feature_$_libcurl_feature)=yes + done + + if test -z "$_libcurl_protocols"; then + + # We do not have --protocols; assume that all + # protocols are available + _libcurl_protocols="HTTP FTP FILE TELNET LDAP DICT TFTP" + + if test "$libcurl_feature_SSL" = "yes"; then + _libcurl_protocols="$_libcurl_protocols HTTPS" + + # FTPS was not standards-compliant until version + # 7.11.0 (0x070b00 == 461568) + if test "$_libcurl_version" -ge 461568; then + _libcurl_protocols="$_libcurl_protocols FTPS" + fi + fi + + # RTSP, IMAP, POP3 and SMTP were added in + # 7.20.0 (0x071400 == 463872) + if test "$_libcurl_version" -ge 463872; then + _libcurl_protocols="$_libcurl_protocols RTSP IMAP POP3 SMTP" + fi + fi + + for _libcurl_protocol in $_libcurl_protocols; do + AC_DEFINE_UNQUOTED(AS_TR_CPP(libcurl_protocol_$_libcurl_protocol),[1]) + eval AS_TR_SH(libcurl_protocol_$_libcurl_protocol)=yes + done + else + unset LIBCURL + unset LIBCURL_CPPFLAGS + fi + fi + + unset _libcurl_try_link + unset _libcurl_version_parse + unset _libcurl_config + unset _libcurl_feature + unset _libcurl_features + unset _libcurl_protocol + unset _libcurl_protocols + unset _libcurl_version + unset _libcurl_ldflags fi - if test x$_libcurl_with = xno || test x$libcurl_cv_lib_curl_usable != xyes ; then - # This is the IF-NO path - ifelse([$4],,:,[$4]) + if test "x$_libcurl_with" = "xno" || test "$libcurl_cv_lib_curl_usable" != "yes"; then + # This is the IF-NO path + ifelse([$4],,:,[$4]) else - # This is the IF-YES path - ifelse([$3],,:,[$3]) + # This is the IF-YES path + ifelse([$3],,:,[$3]) fi unset _libcurl_with -])dnl +])