package/cppcms: remove dependency to pcre

Upstream allows to replace pcre with std::regex since version 2.0.0:
731bc83a98

We switch the package to the new code path to prepare for the removal
of the unmaintained pcre package.

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/cppcms/Config.in

@@ -4,7 +4,6 @@ config BR2_PACKAGE_CPPCMS
 	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL
 	depends on !BR2_STATIC_LIBS # dlopen()
 	depends on BR2_USE_WCHAR
-	select BR2_PACKAGE_PCRE
 	help
 	  CppCMS is a Free High Performance Web Development Framework
 	  (not a CMS) aimed for Rapid Web Application Development. It

package/cppcms/cppcms.mk

@@ -15,9 +15,10 @@ CPPCMS_CXXFLAGS = $(TARGET_CXXFLAGS)
 # path
 CPPCMS_CONF_OPTS = \
 	-DCMAKE_SKIP_RPATH=ON \
-	-DCMAKE_CXX_FLAGS="$(CPPCMS_CXXFLAGS)"
+	-DCMAKE_CXX_FLAGS="$(CPPCMS_CXXFLAGS)" \
+	-DDISABLE_PCRE=ON
 
-CPPCMS_DEPENDENCIES = host-python3 pcre
+CPPCMS_DEPENDENCIES = host-python3
 
 ifeq ($(BR2_PACKAGE_CPPCMS_ICU),y)
 CPPCMS_CONF_OPTS += -DDISABLE_ICU_LOCALE=OFF