1# pkg-config overrides for RHEL 7 and CentOS 7 2 3RHEL 7 and CentOS 7 do not provide pkg-config `.pc` files for Tcl/Tk. The 4 OpenSSL 1.1.1 pkg-config file is named `openssl11.pc` and not picked up 5 by Python's `configure` script. 6 7To build Python with system Tcl/Tk libs and OpenSSL 1.1 package, first 8install the developer packages and the `pkgconfig` package with `pkg-config` 9command. 10 11```shell 12sudo yum install pkgconfig 'tcl-devel >= 8.5.12' 'tk-devel >= 8.5.12' openssl11-devel 13``` 14 15The run `configure` with `PKG_CONFIG_PATH` environment variable. 16 17```shell 18PKG_CONFIG_PATH=Misc/rhel7 ./configure -C 19``` 20