From 42b64667a214172b65aa20e7d96edb9c6a6e66b8 Mon Sep 17 00:00:00 2001
From: Eric Hameleers <alien@slackware.com>
Date: Thu, 19 Oct 2017 15:52:50 +0000
Subject: gcc5: only build java compiler if needed; several cleanups to the
 SlackBuild

---
 gcc5/build/gcc5.SlackBuild | 204 +++++++++++++++++++++++++--------------------
 1 file changed, 113 insertions(+), 91 deletions(-)

(limited to 'gcc5')

diff --git a/gcc5/build/gcc5.SlackBuild b/gcc5/build/gcc5.SlackBuild
index 83a8455f..6ba32c06 100755
--- a/gcc5/build/gcc5.SlackBuild
+++ b/gcc5/build/gcc5.SlackBuild
@@ -62,8 +62,12 @@ TAG=${TAG:-alien}
 # How many jobs to run in parallel:
 NUMJOBS=" -j7 "
 
-# What do we want to build
-LANGS=${LANGS:-'c,c++,java'}
+# If the current gcc is 5 or older it already contains java so we skip that:
+if [ $(gcc --version |grep "^gcc (GCC)" |rev |cut -d' ' -f1 |rev |cut -d. -f1) -le 5 ]; then
+  LANGS=${LANGS:-'c,c++'}
+else
+  LANGS=${LANGS:-'c,c++,java'}
+fi
 
 echo "Building these compilers: $LANGS"; sleep 5
 
@@ -151,7 +155,7 @@ PKG=$TMP/package-gcc
 if [ -d $TMP ]; then
   rm -rf $TMP
 fi
-mkdir -p $PKG/usr/doc/gcc-$VERSION
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
 
 # Insert package description:
 mkdir -p $PKG/install
@@ -171,14 +175,16 @@ tar xvf $CWD/gcc-$VERSION.tar.?z*
   cat $CWD/patches/gcc.66782.diff | patch -p0 --verbose || exit 1
 ) || exit 1
 
-# Copy ecj.jar into the TLD of the source. Needed for java compiler.
-# This can be retrieved from ftp://sourceware.org/pub/java
-cp $CWD/ecj-4.9.jar gcc-$VERSION/ecj.jar
+if echo $LANGS | grep -wq java ; then
+  # Copy ecj.jar into the TLD of the source. Needed for java compiler.
+  # This can be retrieved from ftp://sourceware.org/pub/java
+  cp $CWD/ecj-4.9.jar gcc-$VERSION/ecj.jar
 
-# Use an antlr runtime to compile javadoc.
-# The runtime can be obtained from:
-#https://oss.sonatype.org/content/repositories/releases/org/antlr/antlr-runtime/
-ANTLJAR=$(echo $CWD/antlr-*.jar | tail -1)
+  # Use an antlr runtime to compile javadoc.
+  # The runtime can be obtained from:
+  # https://oss.sonatype.org/content/repositories/releases/org/antlr/antlr-runtime/
+  ANTLJAR=$(echo $CWD/antlr-*.jar | tail -1)
+fi
 
 # install docs
 ( cd gcc-$VERSION
@@ -190,95 +196,99 @@ ANTLJAR=$(echo $CWD/antlr-*.jar | tail -1)
   find . -perm 775 -exec chmod 755 {} \;
   find . -perm 754 -exec chmod 755 {} \;
   find . -perm 664 -exec chmod 644 {} \;
-  mkdir -p $PKG/usr/doc/gcc-$VERSION
+  mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
   cp -a \
     COPYING* ChangeLog* FAQ INSTALL \
     LAST_UPDATED MAINTAINERS NEWS \
     README* *.html \
-  $PKG/usr/doc/gcc-$VERSION
+  $PKG/usr/doc/$PRGNAM-$VERSION
 
   # We will keep part of these, but they are really big...
   if [ -r ChangeLog ]; then
-    DOCSDIR=$(echo $PKG/usr/doc/gcc-$VERSION)
+    DOCSDIR=$(echo $PKG/usr/doc/$PRGNAM-$VERSION)
     cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
     touch -r ChangeLog $DOCSDIR/ChangeLog
   fi
   if [ -r NEWS ]; then
-    DOCSDIR=$(echo $PKG/usr/doc/gcc-$VERSION)
+    DOCSDIR=$(echo $PKG/usr/doc/$PRGNAM-$VERSION)
     cat NEWS | head -n 1000 > $DOCSDIR/NEWS
     touch -r NEWS $DOCSDIR/NEWS
   fi
 
-  mkdir -p $PKG/usr/doc/gcc-${VERSION}/gcc
+  mkdir -p $PKG/usr/doc/$PRGNAM-${VERSION}/gcc
   ( cd gcc
     cp -a \
       ABOUT* COPYING* DATESTAMP DEV-PHASE LANG* ONEWS README* SERVICE \
-    $PKG/usr/doc/gcc-$VERSION/gcc
-         
-    mkdir -p $PKG/usr/doc/gcc-${VERSION}/gcc/java
-    ( cd java
-      cp -a \
-        ChangeLog.tree-ssa \
-      $PKG/usr/doc/gcc-${VERSION}/gcc/java
-      if [ -r ChangeLog ]; then
-        cat ChangeLog | head -n 1000 > $PKG/usr/doc/gcc-${VERSION}/gcc/java/ChangeLog
-        touch -r ChangeLog $PKG/usr/doc/gcc-${VERSION}/gcc/java/ChangeLog
-      fi
-    )
+    $PKG/usr/doc/$PRGNAM-$VERSION/gcc
+
+    if echo $LANGS|grep -wq java ; then
+      mkdir -p $PKG/usr/doc/$PRGNAM-${VERSION}/gcc/java
+      ( cd java
+        cp -a \
+          ChangeLog.tree-ssa \
+        $PKG/usr/doc/$PRGNAM-${VERSION}/gcc/java
+        if [ -r ChangeLog ]; then
+          cat ChangeLog | head -n 1000 > $PKG/usr/doc/$PRGNAM-${VERSION}/gcc/java/ChangeLog
+          touch -r ChangeLog $PKG/usr/doc/$PRGNAM-${VERSION}/gcc/java/ChangeLog
+        fi
+      )
+    fi
 
   ) || exit 1
 
-  mkdir -p $PKG/usr/doc/gcc-${VERSION}/libffi
+  mkdir -p $PKG/usr/doc/$PRGNAM-${VERSION}/libffi
   ( cd libffi
     cp -a \
       ChangeLog.libgcj ChangeLog.v1 \
       LICENSE* README* \
-    $PKG/usr/doc/gcc-${VERSION}/libffi
+    $PKG/usr/doc/$PRGNAM-${VERSION}/libffi
     if [ -r ChangeLog ]; then
-      cat ChangeLog | head -n 1000 > $PKG/usr/doc/gcc-${VERSION}/libffi/ChangeLog
-      touch -r ChangeLog $PKG/usr/doc/gcc-${VERSION}/libffi/ChangeLog
+      cat ChangeLog | head -n 1000 > $PKG/usr/doc/$PRGNAM-${VERSION}/libffi/ChangeLog
+      touch -r ChangeLog $PKG/usr/doc/$PRGNAM-${VERSION}/libffi/ChangeLog
     fi
   )
 
-  mkdir -p $PKG/usr/doc/gcc-${VERSION}/libjava
-  ( cd libjava
-    cp -a \
-      COPYING* HACKING LIBGCJ_LICENSE \
-      NEWS README* THANKS \
-    $PKG/usr/doc/gcc-${VERSION}/libjava
-    if [ -r ChangeLog ]; then
-      cat ChangeLog | head -n 1000 > $PKG/usr/doc/gcc-${VERSION}/libjava/ChangeLog
-      touch -r ChangeLog $PKG/usr/doc/gcc-${VERSION}/libjava/ChangeLog
-    fi
-  )
+  if echo $LANGS|grep -wq java ; then
+    mkdir -p $PKG/usr/doc/$PRGNAM-${VERSION}/libjava
+    ( cd libjava
+      cp -a \
+        COPYING* HACKING LIBGCJ_LICENSE \
+        NEWS README* THANKS \
+      $PKG/usr/doc/$PRGNAM-${VERSION}/libjava
+      if [ -r ChangeLog ]; then
+        cat ChangeLog | head -n 1000 > $PKG/usr/doc/$PRGNAM-${VERSION}/libjava/ChangeLog
+        touch -r ChangeLog $PKG/usr/doc/$PRGNAM-${VERSION}/libjava/ChangeLog
+      fi
+    )
+  fi
 
   if [ -d libmudflap ]; then
-    mkdir -p $PKG/usr/doc/gcc-${VERSION}/libmudflap
+    mkdir -p $PKG/usr/doc/$PRGNAM-${VERSION}/libmudflap
     ( cd libmudflap
       if [ -r ChangeLog ]; then
-        cat ChangeLog | head -n 1000 > $PKG/usr/doc/gcc-${VERSION}/libmudflap/ChangeLog
-        touch -r ChangeLog $PKG/usr/doc/gcc-${VERSION}/libmudflap/ChangeLog
+        cat ChangeLog | head -n 1000 > $PKG/usr/doc/$PRGNAM-${VERSION}/libmudflap/ChangeLog
+        touch -r ChangeLog $PKG/usr/doc/$PRGNAM-${VERSION}/libmudflap/ChangeLog
       fi
     )
   fi
 
-  mkdir -p $PKG/usr/doc/gcc-${VERSION}/libgomp
+  mkdir -p $PKG/usr/doc/$PRGNAM-${VERSION}/libgomp
   ( cd libgomp
     if [ -r ChangeLog ]; then
-      cat ChangeLog | head -n 1000 > $PKG/usr/doc/gcc-${VERSION}/libgomp/ChangeLog
-      touch -r ChangeLog $PKG/usr/doc/gcc-${VERSION}/libgomp/ChangeLog
+      cat ChangeLog | head -n 1000 > $PKG/usr/doc/$PRGNAM-${VERSION}/libgomp/ChangeLog
+      touch -r ChangeLog $PKG/usr/doc/$PRGNAM-${VERSION}/libgomp/ChangeLog
     fi
   )
   
-  mkdir -p $PKG/usr/doc/gcc-${VERSION}/libstdc++-v3
+  mkdir -p $PKG/usr/doc/$PRGNAM-${VERSION}/libstdc++-v3
   ( cd libstdc++-v3
     cp -a \
       README* \
       doc/html/faq.html \
-    $PKG/usr/doc/gcc-${VERSION}/libstdc++-v3
+    $PKG/usr/doc/$PRGNAM-${VERSION}/libstdc++-v3
     if [ -r ChangeLog ]; then
-      cat ChangeLog | head -n 1000 > $PKG/usr/doc/gcc-${VERSION}/libstdc++-v3/ChangeLog
-      touch -r ChangeLog $PKG/usr/doc/gcc-${VERSION}/libstdc++-v3/ChangeLog
+      cat ChangeLog | head -n 1000 > $PKG/usr/doc/$PRGNAM-${VERSION}/libstdc++-v3/ChangeLog
+      touch -r ChangeLog $PKG/usr/doc/$PRGNAM-${VERSION}/libstdc++-v3/ChangeLog
     fi
   )
 )
@@ -363,6 +373,18 @@ ANTLJAR=$(echo $CWD/antlr-*.jar | tail -1)
   # NOTE:  For Slackware 15.0, look into removing --with-default-libstdcxx-abi=gcc4-compatible,
   # which will then require rebuilding all C++ libraries.  That is, if there's any benefit.
 
+  if echo $LANGS|grep -wq java ; then
+    JAVA_OPTS=" \
+     --enable-java-home \
+     --with-java-home=/usr/lib$LIBDIRSUFFIX/jvm/jre \
+     --with-jvm-root-dir=/usr/lib$LIBDIRSUFFIX/jvm \
+     --with-jvm-jar-dir=/usr/lib$LIBDIRSUFFIX/jvm/jvm-exports \
+     --with-antlr-jar=$ANTLJAR \
+     "
+  else
+    JAVA_OPTS=""
+  fi
+
   LDFLAGS="$SLKLDFLAGS" \
   CFLAGS="$SLKCFLAGS" \
   CXXFLAGS="$SLKCFLAGS" \
@@ -388,14 +410,10 @@ ANTLJAR=$(echo $CWD/antlr-*.jar | tail -1)
      --disable-install-libiberty \
      --with-gnu-ld \
      --verbose \
-     --enable-java-home \
-     --with-java-home=/usr/lib$LIBDIRSUFFIX/jvm/jre \
-     --with-jvm-root-dir=/usr/lib$LIBDIRSUFFIX/jvm \
-     --with-jvm-jar-dir=/usr/lib$LIBDIRSUFFIX/jvm/jvm-exports \
      --with-arch-directory=$LIB_ARCH \
-     --with-antlr-jar=$ANTLJAR \
      --program-suffix=-${MAJVER} \
      --enable-version-specific-runtime-libs \
+     $JAVA_OPTS \
      $GCC_ARCHOPTS \
      --target=${TARGET} \
      --build=${TARGET} \
@@ -450,12 +468,14 @@ if [ ${MULTILIB} = "YES" ]; then
   chmod 755 $PKG/usr/lib/gcc/${TARGET}/${VERSION}/libgcc_s.so.1
 fi
 
-# The (huge) static GNU java libraries are not packaged.  In nearly all
-# cases one or more dependencies will not be available as static anyway.
-rm -f $PKG/usr/lib${LIBDIRSUFFIX}/libgcj.a
-rm -f $PKG/usr/lib${LIBDIRSUFFIX}/libgcj-tools.a
-rm -f $PKG/usr/lib/libgcj.a
-rm -f $PKG/usr/lib/libgcj-tools.a
+if echo $LANGS|grep -wq java ; then
+  # The (huge) static GNU java libraries are not packaged.  In nearly all
+  # cases one or more dependencies will not be available as static anyway.
+  rm -f $PKG/usr/lib${LIBDIRSUFFIX}/libgcj.a
+  rm -f $PKG/usr/lib${LIBDIRSUFFIX}/libgcj-tools.a
+  rm -f $PKG/usr/lib/libgcj.a
+  rm -f $PKG/usr/lib/libgcj-tools.a
+fi
 
 # Fix stuff up:
 ( cd $PKG/usr/info
@@ -494,35 +514,37 @@ cat $CWD/profile.d/gcc5.sh > $PKG/etc/profile.d/gcc5.sh
 cat $CWD/profile.d/gcc5.csh > $PKG/etc/profile.d/gcc5.csh
 chmod 644  $PKG/etc/profile.d/*
 
-# The ecj wrapper script:
-cat $CWD/ecj.sh | sed -e "s,@JAVADIR@,/usr/share/java," > $PKG/usr/bin/ecj
-chmod 755 $PKG/usr/bin/ecj
-# Some compatibility links.
-for JAVAPROG in gcj gcjh gcj-dbtool  gjar gjarsigner gjavah ; do
-  ln -s ${JAVAPROG}-${MAJVER} $PKG/usr/bin/${JAVAPROG}
-done
-( cd $PKG
-  for JAVALIB in usr/lib${LIBDIRSUFFIX}/gcc/${TARGET}/${VERSION}/libgcj* ; do
-    ln -s /${JAVALIB} $PKG/usr/lib${LIBDIRSUFFIX}/
+if echo $LANGS|grep -wq java ; then
+  # The ecj wrapper script:
+  cat $CWD/ecj.sh | sed -e "s,@JAVADIR@,/usr/share/java," > $PKG/usr/bin/ecj
+  chmod 755 $PKG/usr/bin/ecj
+  # Some compatibility links.
+  for JAVAPROG in gcj gcjh gcj-dbtool  gjar gjarsigner gjavah ; do
+    ln -s ${JAVAPROG}-${MAJVER} $PKG/usr/bin/${JAVAPROG}
   done
-)
-# And add the missing javac symlink:
-ln -s ../../../bin/ecj $PKG/usr/lib$LIBDIRSUFFIX/jvm/bin/javac
-# Don't package libffi stuff anymore.  GCC will link the internal version
-# statically, and we'll need a newer one elsewhere.
-find . -name "ffi*.h" | xargs rm -f
-find . -name "libffi*" | xargs rm -f
-rm -f usr/man/man3/ffi*
-rm -f usr/info/libffi*
-# Install a proper pkgconfig file for libgcj:
-rm $PKG/usr/lib${LIBDIRSUFFIX}/gcc/${TARGET}/${VERSION}/pkgconfig/libgcj*pc
-rm $PKG/usr/lib${LIBDIRSUFFIX}/gcc/${TARGET}/${VERSION}/32/pkgconfig/libgcj*pc
-mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig
-cat $CWD/libgcj-5.pc \
-  | sed -e "s,@LIBDIRSUFFIX@,${LIBDIRSUFFIX}," \
-  | sed -e "s,@TARGET@,${TARGET}," \
-  | sed -e "s,@VERSION@,${VERSION}," \
-  > $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/libgcj-5.pc
+  ( cd $PKG
+    for JAVALIB in usr/lib${LIBDIRSUFFIX}/gcc/${TARGET}/${VERSION}/libgcj* ; do
+      ln -s /${JAVALIB} $PKG/usr/lib${LIBDIRSUFFIX}/
+    done
+  )
+  # And add the missing javac symlink:
+  ln -s ../../../bin/ecj $PKG/usr/lib$LIBDIRSUFFIX/jvm/bin/javac
+  # Don't package libffi stuff anymore.  GCC will link the internal version
+  # statically, and we'll need a newer one elsewhere.
+  find . -name "ffi*.h" | xargs rm -f
+  find . -name "libffi*" | xargs rm -f
+  rm -f usr/man/man3/ffi*
+  rm -f usr/info/libffi*
+  # Install a proper pkgconfig file for libgcj:
+  rm $PKG/usr/lib${LIBDIRSUFFIX}/gcc/${TARGET}/${VERSION}/pkgconfig/libgcj*pc
+  rm $PKG/usr/lib${LIBDIRSUFFIX}/gcc/${TARGET}/${VERSION}/32/pkgconfig/libgcj*pc
+  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig
+  cat $CWD/libgcj-5.pc \
+    | sed -e "s,@LIBDIRSUFFIX@,${LIBDIRSUFFIX}," \
+    | sed -e "s,@TARGET@,${TARGET}," \
+    | sed -e "s,@VERSION@,${VERSION}," \
+    > $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/libgcj-5.pc
+fi
 
 # Filter all .la files (thanks much to Mark Post for the sed script):
 ( cd $TMP
-- 
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