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authorDaniel Stenberg <daniel@haxx.se>2015-07-25 10:52:49 +0200
committerDaniel Stenberg <daniel@haxx.se>2015-07-25 10:52:49 +0200
commita284b0ebc4c4572fcbb69df9783a4049ace3e6ec (patch)
tree9bfa7e7863b7a03022784d4018cce619f6ac031d /configure.ac
parentc5d060cab47037163fa803a598fedd9e989ca83b (diff)
downloadcurl-a284b0ebc4c4572fcbb69df9783a4049ace3e6ec.tar.gz
configure: check if OpenSSL linking wants -ldl
To make it easier to link with static versions of OpenSSL, the configure script now checks if -ldl is needed for linking. Help-by: TJ Saunders
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac40
1 files changed, 40 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 162b2d6e7..ce651791d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1510,6 +1510,46 @@ if test "$curl_ssl_msg" = "$init_ssl_msg" && test X"$OPT_SSL" != Xno; then
if test X"$HAVECRYPTO" = X"yes"; then
+ AC_MSG_CHECKING([OpenSSL linking without -ldl])
+ saved_libs=$LIBS
+ AC_TRY_LINK(
+ [
+ #include <openssl/evp.h>
+ ],
+ [
+ SSLeay_add_all_algorithms();
+ ],
+ [
+ AC_MSG_RESULT(yes)
+ LIBS="$saved_libs"
+ ],
+ [
+ AC_MSG_RESULT(no)
+ AC_MSG_CHECKING([OpenSSL linking with -ldl])
+ LIBS="-ldl $LIBS"
+ AC_TRY_LINK(
+ [
+ #include <openssl/evp.h>
+ ],
+ [
+ SSLeay_add_all_algorithms();
+ ],
+ [
+ AC_MSG_RESULT(yes)
+ LIBS="$saved_libs -ldl"
+ ],
+ [
+ AC_MSG_RESULT(no)
+ LIBS="$saved_libs"
+ ]
+ )
+
+ ]
+ )
+
+ fi
+
+ if test X"$HAVECRYPTO" = X"yes"; then
dnl This is only reasonable to do if crypto actually is there: check for
dnl SSL libs NOTE: it is important to do this AFTER the crypto lib