dump curl_config.h by default, disable with nodumpconf option [ci skip]

Author: vszakats

_build.sh

@@ -73,7 +73,7 @@ set -o xtrace -o errexit -o nounset; [ -n "${BASH:-}${ZSH_NAME:-}" ] && set -o p
 #        unicode    build curl in UNICODE mode (for win target) [EXPERIMENTAL]
 #        osnoidn    build curl without OS-supplied IDN support
 #        werror     turn compiler warnings into errors
-#        dumpconfig dump curl_config.h
+#        nodumpconf do not dump curl_config.h
 #        debug      debug build
 #        curltests  build curl tests
 #        win        build Windows target (default)

curl.sh

@@ -396,7 +396,7 @@ _VER="$1"
     # --debug-find --debug-trycompile
   fi
 
-  if [[ "${_CONFIG}" = *'dumpconfig'* || "${_CONFIG}" != *'main'* ]]; then
+  if [[ "${_CONFIG}" != *'nodumpconf'* ]]; then
     grep -a -F '#define' "${_BLDDIR}/lib/curl_config.h" | sort || true
   fi