! IF "$(TLS)" != "gnutls" && "$(TLS)" != "openssl"
! ERROR Specified TLS target "$(TLS)" is not supported (supported: gnutls, openssl).
! IF "$(TLSINCDIR)" == ""
! ERROR Please specify directory containing TLS header files (e. g. TLSINCDIR="\somepath\include").
! IF !EXISTS("$(TLSINCDIR)")
! ERROR Specified directory "$(TLSINCDIR)" does not exist.
! IF "$(TLS)" == "openssl"
! IF ("$(TLSLIBDIR)" != "" && "$(TLSLIB2)" != "") || ("$(TLSLIB)" != "" && "$(TLSLIB2)" == "") || ("$(TLSLIB)" == "" && "$(TLSLIB2)" != "")
! ERROR Please specify either TLSLIBDIR or both TLSLIB and TLSLIB2 (e. g. TLSLIBDIR="\somepath\lib" or TLSLIB="\somepath\libeay32.lib" TLSLIB2="\somepath\ssleay32.lib").
! ELSEIF "$(TLS)" == "gnutls"
! ERROR Please specify full path to static GnuTLS library (e. g. TLSLIB="\somepath\some.lib").
! IF ("$(TLSLIBDIR)" == "" && "$(TLSLIB)" == "") || ("$(TLSLIBDIR)" != "" && "$(TLSLIB)" != "")
! ERROR Please specify only one of TLSLIBDIR or TLSLIB (e. g. TLSLIBDIR="\somepath\lib" or TLSLIB="\somepath\lib\some.lib").
! IF "$(TLSLIBDIR)" != "" && !EXISTS("$(TLSLIBDIR)")
! ERROR Specified directory "$(TLSLIBDIR)" does not exist.
! IF "$(TLSLIBDIR)" != ""
! IF "$(TLS)" == "openssl"
ADDMSG = For OpenSSL 1.0.x you may specify path to libraries using TLSLIB="\somepath\libeay32.lib" TLSLIB2="\somepath\ssleay32.lib", for OpenSSL 1.1.x: TLSLIB="\somepath\libcrypto.lib" TLSLIB2="\somepath\libssl.lib"
ADDMSG = You may specify path to library using TLSLIB="\somepath\lib\some.lib"
! IF "$(TLS)" == "gnutls"
CFLAGS = $(CFLAGS) /DHAVE_GNUTLS
! ELSEIF "$(TLS)" == "openssl"
! IF "$(TLSLIBDIR)" != ""
! IF !EXISTS("$(TLSLIBDIR)\libcrypto.lib") && !EXISTS("$(TLSLIBDIR)\libssl.lib")
TLSLIB = $(TLSLIBDIR)\libeay32.lib
TLSLIB2 = $(TLSLIBDIR)\ssleay32.lib
! ELSEIF !EXISTS("$(TLSLIBDIR)\libeay32.lib") && !EXISTS("$(TLSLIBDIR)\ssleay32.lib")
TLSLIB = $(TLSLIBDIR)\libcrypto.lib
TLSLIB2 = $(TLSLIBDIR)\libssl.lib
! ERROR TLSLIBDIR "$(TLSLIBDIR)" contains libraries from OpenSSL 1.0.x (libeay32.lib, ssleay32.lib) and 1.1.x (libcrypto.lib, libssl.lib). TLSLIBDIR cannot be used in this case. Use TLSLIB="$(TLSLIBDIR)\libeay32.lib" TLSLIB2="$(TLSLIBDIR)\ssleay32.lib" for OpenSSL 1.0.x or TLSLIB="$(TLSLIBDIR)\libcrypto.lib" TLSLIB2="$(TLSLIBDIR)\libssl.lib" for OpenSSL 1.1.x.
CFLAGS = $(CFLAGS) /DHAVE_OPENSSL /DHAVE_OPENSSL_WITH_PSK
! IF !EXISTS("$(TLSLIB)")
! ERROR TLS library "$(TLSLIB)" not found. $(ADDMSG)