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authorMichael Krelin <hacker@klever.net>2008-05-18 18:26:17 (UTC)
committer Michael Krelin <hacker@klever.net>2008-06-25 20:49:25 (UTC)
commit04aac0e097992df01e17fbbb62a5a7d9682bcea9 (patch) (unidiff)
tree92407b8314bbbaf51be22601d9231379c8602782 /acinclude.d/libcurl.m4
parent7934873589e47f0207916c668ec4a272071e66a0 (diff)
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update libcurl.m4 to fix breakage with -Wl,--as-needed ld flags
Thanks to Samuli Suominen of Gentoo project for spotting it Signed-off-by: Michael Krelin <hacker@klever.net>
Diffstat (limited to 'acinclude.d/libcurl.m4') (more/less context) (ignore whitespace changes)
-rw-r--r--acinclude.d/libcurl.m479
1 files changed, 55 insertions, 24 deletions
diff --git a/acinclude.d/libcurl.m4 b/acinclude.d/libcurl.m4
index e80c206..f54a5f2 100644
--- a/acinclude.d/libcurl.m4
+++ b/acinclude.d/libcurl.m4
@@ -1,209 +1,240 @@
1# LIBCURL_CHECK_CONFIG ([DEFAULT-ACTION], [MINIMUM-VERSION], 1# LIBCURL_CHECK_CONFIG ([DEFAULT-ACTION], [MINIMUM-VERSION],
2# [ACTION-IF-YES], [ACTION-IF-NO]) 2# [ACTION-IF-YES], [ACTION-IF-NO])
3# ---------------------------------------------------------- 3# ----------------------------------------------------------
4# David Shaw <dshaw@jabberwocky.com> Jan-23-2005 4# David Shaw <dshaw@jabberwocky.com> May-09-2006
5# 5#
6# Checks for libcurl. DEFAULT-ACTION is the string yes or no to 6# Checks for libcurl. DEFAULT-ACTION is the string yes or no to
7# specify whether to default to --with-libcurl or --without-libcurl. 7# specify whether to default to --with-libcurl or --without-libcurl.
8# If not supplied, DEFAULT-ACTION is yes. MINIMUM-VERSION is the 8# If not supplied, DEFAULT-ACTION is yes. MINIMUM-VERSION is the
9# minimum version of libcurl to accept. Pass the version as a regular 9# minimum version of libcurl to accept. Pass the version as a regular
10# version number like 7.10.1. If not supplied, any version is 10# version number like 7.10.1. If not supplied, any version is
11# accepted. ACTION-IF-YES is a list of shell commands to run if 11# accepted. ACTION-IF-YES is a list of shell commands to run if
12# libcurl was successfully found and passed the various tests. 12# libcurl was successfully found and passed the various tests.
13# ACTION-IF-NO is a list of shell commands that are run otherwise. 13# ACTION-IF-NO is a list of shell commands that are run otherwise.
14# Note that using --without-libcurl does run ACTION-IF-NO. 14# Note that using --without-libcurl does run ACTION-IF-NO.
15# 15#
16# This macro defines HAVE_LIBCURL if a working libcurl setup is found, 16# This macro #defines HAVE_LIBCURL if a working libcurl setup is
17# and sets @LIBCURL@ and @LIBCURL_CPPFLAGS@ to the necessary values. 17# found, and sets @LIBCURL@ and @LIBCURL_CPPFLAGS@ to the necessary
18# Other useful defines are LIBCURL_FEATURE_xxx where xxx are the 18# values. Other useful defines are LIBCURL_FEATURE_xxx where xxx are
19# various features supported by libcurl, and LIBCURL_PROTOCOL_yyy 19# the various features supported by libcurl, and LIBCURL_PROTOCOL_yyy
20# where yyy are the various protocols supported by libcurl. Both xxx 20# where yyy are the various protocols supported by libcurl. Both xxx
21# and yyy are capitalized. See the list of AH_TEMPLATEs at the top of 21# and yyy are capitalized. See the list of AH_TEMPLATEs at the top of
22# the macro for the complete list of possible defines. Shell 22# the macro for the complete list of possible defines. Shell
23# variables $libcurl_feature_xxx and $libcurl_protocol_yyy are also 23# variables $libcurl_feature_xxx and $libcurl_protocol_yyy are also
24# defined to 'yes' for those features and protocols that were found. 24# defined to 'yes' for those features and protocols that were found.
25# Note that xxx and yyy keep the same capitalization as in the 25# Note that xxx and yyy keep the same capitalization as in the
26# curl-config list (e.g. it's "HTTP" and not "http"). 26# curl-config list (e.g. it's "HTTP" and not "http").
27# 27#
28# Users may override the detected values by doing something like: 28# Users may override the detected values by doing something like:
29# LIBCURL="-lcurl" LIBCURL_CPPFLAGS="-I/usr/myinclude" ./configure 29# LIBCURL="-lcurl" LIBCURL_CPPFLAGS="-I/usr/myinclude" ./configure
30# 30#
31# For the sake of sanity, this macro assumes that any libcurl that is 31# For the sake of sanity, this macro assumes that any libcurl that is
32# found is after version 7.7.2, the first version that included the 32# found is after version 7.7.2, the first version that included the
33# curl-config script. Note that it is very important for people 33# curl-config script. Note that it is very important for people
34# packaging binary versions of libcurl to include this script! 34# packaging binary versions of libcurl to include this script!
35# Without curl-config, we can only make educated guesses as to what 35# Without curl-config, we can only guess what protocols are available,
36# protocols are available. Specifically, we assume that all of HTTP, 36# or use curl_version_info to figure it out at runtime.
37# FTP, GOPHER, FILE, TELNET, LDAP, and DICT exist, and (if SSL exists)
38# HTTPS is present. All of these protocols existed when libcurl was
39# first created in version 7, so this is a safe assumption. If the
40# version is 7.11.0 or later, FTPS is assumed to be present as well.
41# FTPS existed before then, but was not yet fully standards compliant.
42 37
43AC_DEFUN([LIBCURL_CHECK_CONFIG], 38AC_DEFUN([LIBCURL_CHECK_CONFIG],
44[ 39[
45 AH_TEMPLATE([LIBCURL_FEATURE_SSL],[Defined if libcurl supports SSL]) 40 AH_TEMPLATE([LIBCURL_FEATURE_SSL],[Defined if libcurl supports SSL])
46 AH_TEMPLATE([LIBCURL_FEATURE_KRB4],[Defined if libcurl supports KRB4]) 41 AH_TEMPLATE([LIBCURL_FEATURE_KRB4],[Defined if libcurl supports KRB4])
47 AH_TEMPLATE([LIBCURL_FEATURE_IPV6],[Defined if libcurl supports IPv6]) 42 AH_TEMPLATE([LIBCURL_FEATURE_IPV6],[Defined if libcurl supports IPv6])
48 AH_TEMPLATE([LIBCURL_FEATURE_LIBZ],[Defined if libcurl supports libz]) 43 AH_TEMPLATE([LIBCURL_FEATURE_LIBZ],[Defined if libcurl supports libz])
49 AH_TEMPLATE([LIBCURL_FEATURE_ASYNCHDNS],[Defined if libcurl supports AsynchDNS]) 44 AH_TEMPLATE([LIBCURL_FEATURE_ASYNCHDNS],[Defined if libcurl supports AsynchDNS])
45 AH_TEMPLATE([LIBCURL_FEATURE_IDN],[Defined if libcurl supports IDN])
46 AH_TEMPLATE([LIBCURL_FEATURE_SSPI],[Defined if libcurl supports SSPI])
47 AH_TEMPLATE([LIBCURL_FEATURE_NTLM],[Defined if libcurl supports NTLM])
50 48
51 AH_TEMPLATE([LIBCURL_PROTOCOL_HTTP],[Defined if libcurl supports HTTP]) 49 AH_TEMPLATE([LIBCURL_PROTOCOL_HTTP],[Defined if libcurl supports HTTP])
52 AH_TEMPLATE([LIBCURL_PROTOCOL_HTTPS],[Defined if libcurl supports HTTPS]) 50 AH_TEMPLATE([LIBCURL_PROTOCOL_HTTPS],[Defined if libcurl supports HTTPS])
53 AH_TEMPLATE([LIBCURL_PROTOCOL_FTP],[Defined if libcurl supports FTP]) 51 AH_TEMPLATE([LIBCURL_PROTOCOL_FTP],[Defined if libcurl supports FTP])
54 AH_TEMPLATE([LIBCURL_PROTOCOL_FTPS],[Defined if libcurl supports FTPS]) 52 AH_TEMPLATE([LIBCURL_PROTOCOL_FTPS],[Defined if libcurl supports FTPS])
55 AH_TEMPLATE([LIBCURL_PROTOCOL_GOPHER],[Defined if libcurl supports GOPHER])
56 AH_TEMPLATE([LIBCURL_PROTOCOL_FILE],[Defined if libcurl supports FILE]) 53 AH_TEMPLATE([LIBCURL_PROTOCOL_FILE],[Defined if libcurl supports FILE])
57 AH_TEMPLATE([LIBCURL_PROTOCOL_TELNET],[Defined if libcurl supports TELNET]) 54 AH_TEMPLATE([LIBCURL_PROTOCOL_TELNET],[Defined if libcurl supports TELNET])
58 AH_TEMPLATE([LIBCURL_PROTOCOL_LDAP],[Defined if libcurl supports LDAP]) 55 AH_TEMPLATE([LIBCURL_PROTOCOL_LDAP],[Defined if libcurl supports LDAP])
59 AH_TEMPLATE([LIBCURL_PROTOCOL_DICT],[Defined if libcurl supports DICT]) 56 AH_TEMPLATE([LIBCURL_PROTOCOL_DICT],[Defined if libcurl supports DICT])
57 AH_TEMPLATE([LIBCURL_PROTOCOL_TFTP],[Defined if libcurl supports TFTP])
60 58
61 AC_ARG_WITH(libcurl, 59 AC_ARG_WITH(libcurl,
62 AC_HELP_STRING([--with-libcurl=DIR],[look for the curl library in DIR]), 60 AC_HELP_STRING([--with-libcurl=DIR],[look for the curl library in DIR]),
63 [_libcurl_with=$withval],[_libcurl_with=ifelse([$1],,[yes],[$1])]) 61 [_libcurl_with=$withval],[_libcurl_with=ifelse([$1],,[yes],[$1])])
64 62
65 if test "$_libcurl_with" != "no" ; then 63 if test "$_libcurl_with" != "no" ; then
66 64
67 AC_PROG_AWK 65 AC_PROG_AWK
68 66
69 _libcurl_version_parse="eval $AWK '{split(\$NF,A,\".\"); X=256*256*A[[1]]+256*A[[2]]+A[[3]]; print X;}'" 67 _libcurl_version_parse="eval $AWK '{split(\$NF,A,\".\"); X=256*256*A[[1]]+256*A[[2]]+A[[3]]; print X;}'"
70 68
71 _libcurl_try_link=yes 69 _libcurl_try_link=yes
72 70
73 if test -d "$_libcurl_with" ; then 71 if test -d "$_libcurl_with" ; then
74 CPPFLAGS="${CPPFLAGS} -I$withval/include" 72 LIBCURL_CPPFLAGS="-I$withval/include"
75 LDFLAGS="${LDFLAGS} -L$withval/lib" 73 _libcurl_ldflags="-L$withval/lib"
74 AC_PATH_PROG([_libcurl_config],[curl-config],["$withval/bin"],
75 ["$withval/bin"])
76 else
77 AC_PATH_PROG([_libcurl_config],[curl-config])
76 fi 78 fi
77 79
78 AC_PATH_PROG([_libcurl_config],[curl-config])
79
80 if test x$_libcurl_config != "x" ; then 80 if test x$_libcurl_config != "x" ; then
81 AC_CACHE_CHECK([for the version of libcurl], 81 AC_CACHE_CHECK([for the version of libcurl],
82 [libcurl_cv_lib_curl_version], 82 [libcurl_cv_lib_curl_version],
83 [libcurl_cv_lib_curl_version=`$_libcurl_config --version | $AWK '{print $[]2}'`]) 83 [libcurl_cv_lib_curl_version=`$_libcurl_config --version | $AWK '{print $[]2}'`])
84 84
85 _libcurl_version=`echo $libcurl_cv_lib_curl_version | $_libcurl_version_parse` 85 _libcurl_version=`echo $libcurl_cv_lib_curl_version | $_libcurl_version_parse`
86 _libcurl_wanted=`echo ifelse([$2],,[0],[$2]) | $_libcurl_version_parse` 86 _libcurl_wanted=`echo ifelse([$2],,[0],[$2]) | $_libcurl_version_parse`
87 87
88 if test $_libcurl_wanted -gt 0 ; then 88 if test $_libcurl_wanted -gt 0 ; then
89 AC_CACHE_CHECK([for libcurl >= version $2], 89 AC_CACHE_CHECK([for libcurl >= version $2],
90 [libcurl_cv_lib_version_ok], 90 [libcurl_cv_lib_version_ok],
91 [ 91 [
92 if test $_libcurl_version -ge $_libcurl_wanted ; then 92 if test $_libcurl_version -ge $_libcurl_wanted ; then
93 libcurl_cv_lib_version_ok=yes 93 libcurl_cv_lib_version_ok=yes
94 else 94 else
95 libcurl_cv_lib_version_ok=no 95 libcurl_cv_lib_version_ok=no
96 fi 96 fi
97 ]) 97 ])
98 fi 98 fi
99 99
100 if test $_libcurl_wanted -eq 0 || test x$libcurl_cv_lib_version_ok = xyes ; then 100 if test $_libcurl_wanted -eq 0 || test x$libcurl_cv_lib_version_ok = xyes ; then
101 if test x"$LIBCURL_CPPFLAGS" = "x" ; then 101 if test x"$LIBCURL_CPPFLAGS" = "x" ; then
102 LIBCURL_CPPFLAGS=`$_libcurl_config --cflags` 102 LIBCURL_CPPFLAGS=`$_libcurl_config --cflags`
103 fi 103 fi
104 if test x"$LIBCURL" = "x" ; then 104 if test x"$LIBCURL" = "x" ; then
105 LIBCURL=`$_libcurl_config --libs` 105 LIBCURL=`$_libcurl_config --libs`
106
107 # This is so silly, but Apple actually has a bug in their
108 # curl-config script. Fixed in Tiger, but there are still
109 # lots of Panther installs around.
110 case "${host}" in
111 powerpc-apple-darwin7*)
112 LIBCURL=`echo $LIBCURL | sed -e 's|-arch i386||g'`
113 ;;
114 esac
106 fi 115 fi
107 116
108 # All curl-config scripts support --feature 117 # All curl-config scripts support --feature
109 _libcurl_features=`$_libcurl_config --feature` 118 _libcurl_features=`$_libcurl_config --feature`
110 119
111 # Is it modern enough to have --protocols? (7.12.4) 120 # Is it modern enough to have --protocols? (7.12.4)
112 if test $_libcurl_version -ge 461828 ; then 121 if test $_libcurl_version -ge 461828 ; then
113 _libcurl_protocols=`$_libcurl_config --protocols` 122 _libcurl_protocols=`$_libcurl_config --protocols`
114 fi 123 fi
115 else 124 else
116 _libcurl_try_link=no 125 _libcurl_try_link=no
117 fi 126 fi
118 127
119 unset _libcurl_wanted 128 unset _libcurl_wanted
120 fi 129 fi
121 130
122 if test $_libcurl_try_link = yes ; then 131 if test $_libcurl_try_link = yes ; then
123 132
124 # we didn't find curl-config, so let's see if the user-supplied 133 # we didn't find curl-config, so let's see if the user-supplied
125 # link line (or failing that, "-lcurl") is enough. 134 # link line (or failing that, "-lcurl") is enough.
126 LIBCURL=${LIBCURL-"-lcurl"} 135 LIBCURL=${LIBCURL-"$_libcurl_ldflags -lcurl"}
127 136
128 AC_CACHE_CHECK([whether libcurl is usable], 137 AC_CACHE_CHECK([whether libcurl is usable],
129 [libcurl_cv_lib_curl_usable], 138 [libcurl_cv_lib_curl_usable],
130 [ 139 [
131 _libcurl_save_cppflags=$CPPFLAGS 140 _libcurl_save_cppflags=$CPPFLAGS
132 CPPFLAGS="$CPPFLAGS $LIBCURL_CPPFLAGS" 141 CPPFLAGS="$LIBCURL_CPPFLAGS $CPPFLAGS"
133 _libcurl_save_ldflags=$LDFLAGS 142 _libcurl_save_libs=$LIBS
134 LDFLAGS="$LDFLAGS $LIBCURL" 143 LIBS="$LIBCURL $LIBS"
135 144
136 AC_LINK_IFELSE(AC_LANG_PROGRAM([#include <curl/curl.h>],[ 145 AC_LINK_IFELSE(AC_LANG_PROGRAM([#include <curl/curl.h>],[
137/* Try and use a few common options to force a failure if we are 146/* Try and use a few common options to force a failure if we are
138 missing symbols or can't link. */ 147 missing symbols or can't link. */
139int x; 148int x;
140curl_easy_setopt(NULL,CURLOPT_URL,NULL); 149curl_easy_setopt(NULL,CURLOPT_URL,NULL);
141x=CURL_ERROR_SIZE; 150x=CURL_ERROR_SIZE;
142x=CURLOPT_WRITEFUNCTION; 151x=CURLOPT_WRITEFUNCTION;
143x=CURLOPT_FILE; 152x=CURLOPT_FILE;
144x=CURLOPT_ERRORBUFFER; 153x=CURLOPT_ERRORBUFFER;
145x=CURLOPT_STDERR; 154x=CURLOPT_STDERR;
146x=CURLOPT_VERBOSE; 155x=CURLOPT_VERBOSE;
147]),libcurl_cv_lib_curl_usable=yes,libcurl_cv_lib_curl_usable=no) 156]),libcurl_cv_lib_curl_usable=yes,libcurl_cv_lib_curl_usable=no)
148 157
149 CPPFLAGS=$_libcurl_save_cppflags 158 CPPFLAGS=$_libcurl_save_cppflags
150 LDFLAGS=$_libcurl_save_ldflags 159 LIBS=$_libcurl_save_libs
151 unset _libcurl_save_cppflags 160 unset _libcurl_save_cppflags
152 unset _libcurl_save_ldflags 161 unset _libcurl_save_libs
153 ]) 162 ])
154 163
155 if test $libcurl_cv_lib_curl_usable = yes ; then 164 if test $libcurl_cv_lib_curl_usable = yes ; then
165
166 # Does curl_free() exist in this version of libcurl?
167 # If not, fake it with free()
168
169 _libcurl_save_cppflags=$CPPFLAGS
170 CPPFLAGS="$CPPFLAGS $LIBCURL_CPPFLAGS"
171 _libcurl_save_libs=$LIBS
172 LIBS="$LIBS $LIBCURL"
173
174 AC_CHECK_FUNC(curl_free,,
175 AC_DEFINE(curl_free,free,
176 [Define curl_free() as free() if our version of curl lacks curl_free.]))
177
178 CPPFLAGS=$_libcurl_save_cppflags
179 LIBS=$_libcurl_save_libs
180 unset _libcurl_save_cppflags
181 unset _libcurl_save_libs
182
156 AC_DEFINE(HAVE_LIBCURL,1, 183 AC_DEFINE(HAVE_LIBCURL,1,
157 [Define to 1 if you have a functional curl library.]) 184 [Define to 1 if you have a functional curl library.])
158 AC_SUBST(LIBCURL_CPPFLAGS) 185 AC_SUBST(LIBCURL_CPPFLAGS)
159 AC_SUBST(LIBCURL) 186 AC_SUBST(LIBCURL)
160 187
161 for _libcurl_feature in $_libcurl_features ; do 188 for _libcurl_feature in $_libcurl_features ; do
162 AC_DEFINE_UNQUOTED(AS_TR_CPP(libcurl_feature_$_libcurl_feature),[1]) 189 AC_DEFINE_UNQUOTED(AS_TR_CPP(libcurl_feature_$_libcurl_feature),[1])
163 eval AS_TR_SH(libcurl_feature_$_libcurl_feature)=yes 190 eval AS_TR_SH(libcurl_feature_$_libcurl_feature)=yes
164 done 191 done
165 192
166 if test "x$_libcurl_protocols" = "x" ; then 193 if test "x$_libcurl_protocols" = "x" ; then
167 194
168 # We don't have --protocols, so just assume that all 195 # We don't have --protocols, so just assume that all
169 # protocols are available 196 # protocols are available
170 _libcurl_protocols="HTTP FTP GOPHER FILE TELNET LDAP DICT" 197 _libcurl_protocols="HTTP FTP FILE TELNET LDAP DICT"
171 198
172 if test x$libcurl_feature_SSL = xyes ; then 199 if test x$libcurl_feature_SSL = xyes ; then
173 _libcurl_protocols="$_libcurl_protocols HTTPS" 200 _libcurl_protocols="$_libcurl_protocols HTTPS"
174 201
175 # FTPS wasn't standards-compliant until version 202 # FTPS wasn't standards-compliant until version
176 # 7.11.0 203 # 7.11.0
177 if test $_libcurl_version -ge 461568; then 204 if test $_libcurl_version -ge 461568; then
178 _libcurl_protocols="$_libcurl_protocols FTPS" 205 _libcurl_protocols="$_libcurl_protocols FTPS"
179 fi 206 fi
180 fi 207 fi
181 fi 208 fi
182 209
183 for _libcurl_protocol in $_libcurl_protocols ; do 210 for _libcurl_protocol in $_libcurl_protocols ; do
184 AC_DEFINE_UNQUOTED(AS_TR_CPP(libcurl_protocol_$_libcurl_protocol),[1]) 211 AC_DEFINE_UNQUOTED(AS_TR_CPP(libcurl_protocol_$_libcurl_protocol),[1])
185 eval AS_TR_SH(libcurl_protocol_$_libcurl_protocol)=yes 212 eval AS_TR_SH(libcurl_protocol_$_libcurl_protocol)=yes
186 done 213 done
214 else
215 unset LIBCURL
216 unset LIBCURL_CPPFLAGS
187 fi 217 fi
188 fi 218 fi
189 219
190 unset _libcurl_try_link 220 unset _libcurl_try_link
191 unset _libcurl_version_parse 221 unset _libcurl_version_parse
192 unset _libcurl_config 222 unset _libcurl_config
193 unset _libcurl_feature 223 unset _libcurl_feature
194 unset _libcurl_features 224 unset _libcurl_features
195 unset _libcurl_protocol 225 unset _libcurl_protocol
196 unset _libcurl_protocols 226 unset _libcurl_protocols
197 unset _libcurl_version 227 unset _libcurl_version
228 unset _libcurl_ldflags
198 fi 229 fi
199 230
200 if test x$_libcurl_with = xno || test x$libcurl_cv_lib_curl_usable != xyes ; then 231 if test x$_libcurl_with = xno || test x$libcurl_cv_lib_curl_usable != xyes ; then
201 # This is the IF-NO path 232 # This is the IF-NO path
202 ifelse([$4],,:,[$4]) 233 ifelse([$4],,:,[$4])
203 else 234 else
204 # This is the IF-YES path 235 # This is the IF-YES path
205 ifelse([$3],,:,[$3]) 236 ifelse([$3],,:,[$3])
206 fi 237 fi
207 238
208 unset _libcurl_with 239 unset _libcurl_with
209])dnl 240])dnl