[GNUnet-SVN] [gnurl] 111/150: curl-openssl.m4: Fix version check for OpenSSL 1.1.1

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ng0 pushed a commit to branch master
in repository gnurl.

commit 1b27fcfcf7424bbb866f6398b0c6070f82b6f73d
Author: Jay Satiro <address@hidden>
AuthorDate: Sat Feb 24 03:18:15 2018 -0500

    curl-openssl.m4: Fix version check for OpenSSL 1.1.1
    
    - Add OpenSSL 1.1.1 to the header/library version lists.
    
    - Detect OpenSSL 1.1.1 library using its function ERR_clear_last_mark,
      which was added in that version.
    
    Prior to this change an erroneous header/library mismatch was caused by
    lack of OpenSSL 1.1.1 detection. I tested using openssl-1.1.1-pre1.
---
 m4/curl-openssl.m4 | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/m4/curl-openssl.m4 b/m4/curl-openssl.m4
index 20c312658..391099b69 100644
--- a/m4/curl-openssl.m4
+++ b/m4/curl-openssl.m4
@@ -29,7 +29,7 @@ dnl -------------------------------------------------
 dnl Find out OpenSSL headers API version, as reported
 dnl by OPENSSL_VERSION_NUMBER. No runtime checks
 dnl allowed here for cross-compilation support.
-dnl HAVE_OPENSSL_API_HEADERS is defined as apprpriate
+dnl HAVE_OPENSSL_API_HEADERS is defined as appropriate
 dnl only for systems which actually run the configure
 dnl script. Config files generated manually or in any
 dnl other way shall not define this.
@@ -66,6 +66,7 @@ AC_DEFUN([CURL_CHECK_OPENSSL_API_HEADERS], [
         ;;
     esac
     case $tst_api in
+      0x111) tst_show="1.1.1" ;;
       0x110) tst_show="1.1.0" ;;
       0x102) tst_show="1.0.2" ;;
       0x101) tst_show="1.0.1" ;;
@@ -122,6 +123,13 @@ AC_DEFUN([CURL_CHECK_OPENSSL_API_LIBRARY], [
   #
   AC_MSG_CHECKING([for OpenSSL library version])
   if test "$tst_api" = "unknown"; then
+    AC_LINK_IFELSE([
+      AC_LANG_FUNC_LINK_TRY([ERR_clear_last_mark])
+    ],[
+      tst_api="0x111"
+    ])
+  fi
+  if test "$tst_api" = "unknown"; then
     case $host in
       *-*-vms*)
         AC_LINK_IFELSE([
@@ -217,6 +225,7 @@ AC_DEFUN([CURL_CHECK_OPENSSL_API_LIBRARY], [
     ])
   fi
   case $tst_api in
+    0x111) tst_show="1.1.1" ;;
     0x110) tst_show="1.1.0" ;;
     0x102) tst_show="1.0.2" ;;
     0x101) tst_show="1.0.1" ;;

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