libmicrohttpd2

HTTP server C library (MHD 2.x, alpha)
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commit b46fe0ae0c1b7ad46bc220339f14941d048eba86
parent f18f153b4cc03531fdee05cfbb43cc50623af25d
Author: Evgeny Grin (Karlson2k) <k2k@drgrin.dev>
Date:   Mon, 30 Mar 2026 22:15:13 +0200

libcurl.m4: updated with the latest upstream version

The new versions includes minor fixes

Diffstat:
Mm4/libcurl.m4 | 378+++++++++++++++++++++++++++++++++++++++----------------------------------------
1 file changed, 188 insertions(+), 190 deletions(-)

diff --git a/m4/libcurl.m4 b/m4/libcurl.m4 @@ -21,8 +21,8 @@ # SPDX-License-Identifier: curl # ########################################################################### -# LIBCURL_CHECK_CONFIG ([DEFAULT-ACTION], [MINIMUM-VERSION], -# [ACTION-IF-YES], [ACTION-IF-NO]) +# LIBCURL_CHECK_CONFIG([DEFAULT-ACTION], [MINIMUM-VERSION], +# [ACTION-IF-YES], [ACTION-IF-NO]) # ---------------------------------------------------------- # David Shaw <dshaw@jabberwocky.com> May-09-2006 # @@ -41,22 +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 $libcurl_protocol_yyy are also # defined to 'yes' for those features and protocols that were found. # Note that xxx and yyy keep the same capitalization as in the -# curl-config list (e.g. it's "HTTP" and not "http"). +# curl-config list (e.g. it is "HTTP" and not "http"). # # Users may override the detected values by doing something like: # LIBCURL="-lcurl" LIBCURL_CPPFLAGS="-I/usr/myinclude" ./configure # -# For the sake of sanity, this macro assumes that any libcurl that is -# found is after version 7.7.2, the first version that included the -# curl-config script. Note that it is very important for people -# packaging binary versions of libcurl to include this script! -# Without curl-config, we can only guess what protocols are available, -# or use curl_version_info to figure it out at runtime. +# For the sake of sanity, this macro assumes that any libcurl that is found is +# after version 7.7.2, the first version that included the curl-config script. +# Note that it is important for people packaging binary versions of libcurl to +# include this script! Without curl-config, we can only guess what protocols +# are available, or use curl_version_info to figure it out at runtime. AC_DEFUN([LIBCURL_CHECK_CONFIG], [ @@ -84,192 +83,191 @@ AC_DEFUN([LIBCURL_CHECK_CONFIG], AH_TEMPLATE([LIBCURL_PROTOCOL_SMTP],[Defined if libcurl supports SMTP]) AC_ARG_WITH(libcurl, - AS_HELP_STRING([--with-libcurl=PREFIX],[look for the curl library in PREFIX/lib and headers in PREFIX/include]), - [_libcurl_with=$withval],[_libcurl_with=ifelse([$1],,[yes],[$1])]) - - if test "$_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 $LIBS" - - AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <curl/curl.h>]],[[ -/* Try and use a few common options to force a failure if we are - missing symbols or can't link. */ -int x; -curl_easy_setopt(NULL,CURLOPT_URL,NULL); -x=CURL_ERROR_SIZE; -x=CURLOPT_WRITEFUNCTION; -x=CURLOPT_WRITEDATA; -x=CURLOPT_ERRORBUFFER; -x=CURLOPT_STDERR; -x=CURLOPT_VERBOSE; -if (x) {;} -]])],libcurl_cv_lib_curl_usable=yes,libcurl_cv_lib_curl_usable=no) - - CPPFLAGS=$_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 $LIBCURL" - - AC_CHECK_DECL([curl_free],[], - [AC_DEFINE([curl_free],[free], - [Define curl_free() as free() if our version of curl lacks curl_free.])], - [[#include <curl/curl.h>]]) - - CPPFLAGS=$_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 $LIBS" + + AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <curl/curl.h>]],[[ + /* Try to use a few common options to force a failure if we are + missing symbols or cannot link. */ + int x; + curl_easy_setopt(NULL,CURLOPT_URL,NULL); + x=CURL_ERROR_SIZE; + x=CURLOPT_WRITEFUNCTION; + x=CURLOPT_WRITEDATA; + x=CURLOPT_ERRORBUFFER; + x=CURLOPT_STDERR; + x=CURLOPT_VERBOSE; + if(x) {;} + ]])],libcurl_cv_lib_curl_usable=yes,libcurl_cv_lib_curl_usable=no) + + CPPFLAGS=$_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 $LIBCURL" + + AC_CHECK_DECL([curl_free],[], + [AC_DEFINE([curl_free],[free], + [Define curl_free() as free() if our version of curl lacks curl_free.])], + [[#include <curl/curl.h>]]) + + CPPFLAGS=$_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 +])