--- ./acx_nlnetlabs.m4.orig 2021-12-03 13:15:47.000000000 +0530 +++ ./acx_nlnetlabs.m4 2022-02-26 11:45:09.003626697 +0530 @@ -652,7 +652,7 @@ fi for dir in $withval; do ssldir="$dir" - if test -f "$dir/include/openssl/ssl.h"; then + if test -f "$dir/include/openssl-1.1/openssl/ssl.h"; then found_ssl="yes" AC_DEFINE_UNQUOTED([HAVE_SSL], [], [Define if you have the SSL libraries installed.]) dnl assume /usr/include is already in the include-path. @@ -675,8 +675,8 @@ LIBSSL_LDFLAGS="$LIBSSL_LDFLAGS -L$ssldir/lib64" ACX_RUNTIME_PATH_ADD([$ssldir/lib64]) else - LDFLAGS="$LDFLAGS -L$ssldir/lib" - LIBSSL_LDFLAGS="$LIBSSL_LDFLAGS -L$ssldir/lib" + LDFLAGS="$LDFLAGS -L$ssldir/lib/openssl-1.1" + LIBSSL_LDFLAGS="$LIBSSL_LDFLAGS -L$ssldir/lib/openssl-1.1" ACX_RUNTIME_PATH_ADD([$ssldir/lib]) fi fi