> One possible cause could be pcre-config reporting -I/usr and causing
> -I/usr/inc to be included before the SSL_INC path.
fwiw, here, at my shell/env
pcre-config --libs --libs-posix --libs-cpp --cflags --cflags-posix
-L/usr/local/lib64 -lpcre
-L/usr/local/lib64 -lpcreposix -lpcre
-L/usr/local/lib64 -lpcrecpp -lpcre
-I/usr/local/include
-I/usr/local/include
pcre2-config --libs8 --libs-posix --cflags --cflags-posix
-L/usr/local/lib64 -lpcre2-8
-L/usr/local/lib64 -lpcre2-posix -lpcre2-8
-I/usr/local/include
-I/usr/local/include
