java/eclipse: fix build

Require new GCC to build this port on GCC architectures.

PR:		238489
Approved by:	jonc@chen.org.nz (maintainer), tcberner (mentor)
Differential Revision:	https://reviews.freebsd.org/D20667

java/eclipse/Makefile

@@ -54,7 +54,7 @@ BUILD_DEPENDS=	git:devel/git-lite \
 		${LOCALBASE}/share/java/maven/bin/mvn:devel/maven
 LIB_DEPENDS=	libsecret-1.so:security/libsecret \
 		libwebkit2gtk-4.0.so:www/webkit2-gtk3
-USES=		gmake pkgconfig gnome
+USES=		compiler:c++11-lang gmake pkgconfig gnome
 USE_GNOME=	gtk30
 
 USE_GITHUB=	yes
@@ -74,7 +74,7 @@ DESKTOP_ENTRIES="Eclipse" \
 
 SUB_FILES=	${PORTNAME}
 
-MAVEN_ENV=	MAVEN_OPTS=-Xmx1024m
+MAVEN_ENV=	MAVEN_OPTS=-Xmx1024m CC=${CC}
 MAVEN_REPO=	-Dmaven.repo.local=${WRKDIR}/${GH_PROJECT}-${PORTVERSION}
 MAVEN_ECLIPSE=	-Dnative=gtk.freebsd.${ARCH} -Dcomparator.repo=file://${WRKDIR}/${GH_PROJECT}-${PORTVERSION}/p2-stub -DforceContextQualifier=v${ECLIPSE_TSTAMP}
 

java/eclipse/files/patch-eclipse.platform.swt

@@ -74,14 +74,11 @@ diff -ru eclipse.platform.swt/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/library
  	*)
  		SWT_ARCH=$MODEL
  		AWT_ARCH=$MODEL
-@@ -118,6 +116,16 @@
+@@ -118,6 +116,13 @@
  esac
  
  case $SWT_OS.$SWT_ARCH in
 +	"freebsd.ppc64")
-+		if [ "${CC}" = "" ]; then
-+			export CC=gcc
-+		fi
 +		if [ "${JAVA_HOME}" = "" ]; then
 +			DYNAMIC_JAVA_HOME=`readlink -f /usr/local/bin/java | sed "s:jre/::" | sed "s:bin/java::"`
 +			JAVA_HOME = $DYNAMIC_JAVA_HOME