Restore original libcurl.pc.in for OpenSSL

curl.spec

@@ -29,7 +29,7 @@
 Summary:	Gets a file from a FTP, GOPHER or HTTP server
 Name:		curl
 Version:	7.68.0
-Release:	7
+Release:	8
 Epoch:		1
 License:	BSD-like
 Group:		Networking/Other
@@ -193,7 +193,11 @@ Example files for %{name} development.
 
 %prep
 %setup -q
+cp libcurl.pc.in libcurl.pc.in.0
 %apply_patches
+# after Patch3 curl-libressl.patch
+# 0 - original (OpenSSL), 1 - patched (LibreSSL)
+cp libcurl.pc.in libcurl.pc.in.1
 regexp="$(echo %{ssl_list} | sed -e 's, ,|,g')"
 for i in %{ssl_list}; do
 	mkdir -p "$i"
@@ -208,6 +212,9 @@ rm -fr $(ls -1v | grep -vE "${regexp}|docs|COPYING|CHANGES")
 ADD_CONF_OPTS=""
 case "$SSL" in
  libressl )
+	cp libcurl.pc.in.1 libcurl.pc.in
+	# validate that correct file is being used
+	grep -q LIBRESSL_ libcurl.pc.in
 	new_libname=libcurl-libressl
 	sed -i configure.ac \
 		-e 's,openssl.pc,libressl.pc,g' \
@@ -227,6 +234,8 @@ case "$SSL" in
 	"
 	;;
  openssl )
+	cp libcurl.pc.in.0 libcurl.pc.in
+	! grep -q LIBRESSL_ libcurl.pc.in
 	new_libname=libcurl
 	export LIBS="$(pkg-config --cflags-only-I --libs-only-L openssl)"
 	export CFLAGS="$LIBS"