--- libreoffice-6.0.4.2/external/postgresql/ExternalProject_postgresql.mk.orig	2018-05-04 15:30:05.000000000 +0200
+++ libreoffice-6.0.4.2/external/postgresql/ExternalProject_postgresql.mk	2018-05-11 21:38:27.158554784 +0200
@@ -41,6 +41,9 @@
 ifeq ($(SYSTEM_OPENSSL),)
 postgresql_CPPFLAGS += -I$(call gb_UnpackedTarball_get_dir,openssl)/include
 postgresql_LDFLAGS  += -L$(call gb_UnpackedTarball_get_dir,openssl)/
+else
+postgresql_CPPFLAGS += -I/usr/include/openssl-1.0
+postgresql_LDFLAGS  += -L/usr/lib@LIBDIRSUFFIX@/openssl-1.0/
 endif
 endif
 
@@ -66,6 +69,7 @@
 				$(if $(WITH_GSSAPI),--with-gssapi)) \
 			CPPFLAGS="$(postgresql_CPPFLAGS)" \
 			LDFLAGS="$(postgresql_LDFLAGS)" \
+			LIBS="$(postgresql_LDFLAGS)" \
 			EXTRA_LDAP_LIBS="-llber -lssl3 -lsmime3 -lnss3 -lnssutil3 -lplds4 -lplc4 -lnspr4" \
 		&& cd src/interfaces/libpq \
 		&& MAKEFLAGS= && $(MAKE) all-static-lib)