[gnurl] 18/411: configure: fix pkg-config detecting wolfssl

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nikita pushed a commit to branch master
in repository gnurl.

commit 510d98157f21dee5793c4e975fde3317b6139267
Author: Daniel Stenberg <daniel@haxx.se>
AuthorDate: Mon Aug 24 16:28:34 2020 +0200

    configure: fix pkg-config detecting wolfssl
    
    When amending the include path with "/wolfssl", this now properly strips
    off all whitespace from the path variable! Previously this would lead to
    pkg-config builds creating bad command lines.
    
    Closes #5848
---
 configure.ac | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 9c738d12d..918003e02 100755
--- a/configure.ac
+++ b/configure.ac
@@ -2474,8 +2474,12 @@ if test -z "$ssl_backends" -o "x$OPT_WOLFSSL" != xno; 
then
             AC_DEFINE(HAVE_WOLFSSL_DES_ECB_ENCRYPT, 1,
                       [if you have wolfSSL_DES_ecb_encrypt])
             if test -n "$addcflags"; then
-              CPPFLAGS="$addcflags/wolfssl $CPPFLAGS"
-              AC_MSG_NOTICE([Add $addcflags/wolfssl to CPPFLAGS])
+              dnl use a for loop to strip off whitespace
+              for f in $addcflags; do
+                CPPFLAGS="$f/wolfssl $CPPFLAGS"
+                AC_MSG_NOTICE([Add $f/wolfssl to CPPFLAGS])
+                break
+              done
             else
               dnl user didn't give a path, so guess/hope they installed wolfssl
               dnl headers to system default location

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