build: minor fix pc subst

Author: zuckschwerdt

configure.ac

@@ -49,8 +49,8 @@ AC_HEADER_STDC
 AC_CHECK_HEADERS(sys/types.h)
 
 # pc variables
-AC_SUBST(RTLSDR_PC_LIBS,["$LIBS"])
-AC_SUBST(RTLSDR_PC_CFLAGS,["$CFLAGS"])
+AC_SUBST(RTL433_PC_LIBS,["$LIBS"])
+AC_SUBST(RTL433_PC_CFLAGS,["$CFLAGS"])
 
 dnl checks for required libraries
 

do_build.sh

@@ -4,6 +4,7 @@ set -e
 # performs a standard out-of-tree build and transform environment vars to cmake options
 # set RTLSDR=ON/OFF/AUTO (default: ON)
 # set SOAPYSDR=ON/OFF/AUTO (default: AUTO)
+# set OPENSSL=ON/OFF/AUTO (default: AUTO)
 # set CMAKE_TOOLCHAIN_FILE=file (default: unset)
 # set RUN_RTL_433_TESTS=1 (default: unset)