office/pdftk: Switch using gcc5.

Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>

office/pdftk/README

@@ -4,3 +4,10 @@ command-line tool for doing everyday things with PDF documents.  Keep one
 in the top drawer of your desktop and use it to merge PDF documents, 
 split PDF documents, apply watermarks, repair corrupt PDF, update PDF 
 metadata, and more.  pdftk does not require Acrobat and is free software.
+
+NOTE: Starting with Slackware 15.0 pdftk compilation requires SBo gcc-5
+because gcc-java was dropped from the GNU Compiler Collection as of gcc-7:
+don't forget to source /etc/profile.d/gcc5.sh before starting to build
+this, like
+
+  . /etc/profile.d/gcc5.sh

office/pdftk/pdftk-1.44-add_custom_optflags.patch

@@ -1,26 +0,0 @@
-diff -Nurp pdftk-1.44-dist-orig/pdftk/Makefile.Slackware-13.1 pdftk-1.44-dist/pdftk/Makefile.Slackware-13.1
---- pdftk-1.44-dist-orig/pdftk/Makefile.Slackware-13.1	2010-10-25 20:04:51.000000000 +0100
-+++ pdftk-1.44-dist/pdftk/Makefile.Slackware-13.1	2010-10-31 01:44:31.000000000 +0000
-@@ -34,7 +34,7 @@ export CXX= $(TOOLPATH)g++
- export GCJ= $(TOOLPATH)gcj
- export GCJH= $(TOOLPATH)gcjh
- export GJAR= $(TOOLPATH)gjar
--export LIBGCJ= /usr/share/java/libgcj$(VERSUFF).jar
-+export LIBGCJ= /usr/share/java
- export AR= ar
- export RM= rm
- export ARFLAGS= rs
-@@ -71,9 +71,10 @@ export RMFLAGS= -vf
- # only effects libraries following option on the command line
- #
- #  
--export CPPFLAGS= -DPATH_DELIM=0x2f -DASK_ABOUT_WARNINGS=false -DUNBLOCK_SIGNALS -fdollars-in-identifiers
--export CXXFLAGS= -Wall -Wextra -Weffc++ -O2
--export GCJFLAGS= -Wall -fsource=1.3 -O2
-+export OPT= -O2
-+export CPPFLAGS= $(OPT) -DPATH_DELIM=0x2f -DASK_ABOUT_WARNINGS=false -DUNBLOCK_SIGNALS -fdollars-in-identifiers
-+export CXXFLAGS= $(OPT) -Wall -Wextra -Weffc++
-+export GCJFLAGS= $(OPT) -Wall -fsource=1.3
- export GCJHFLAGS= -force
- export LDLIBS= -lgcj
- 

office/pdftk/pdftk-2.02-use-gcc5.patch

@@ -0,0 +1,15 @@
+# diff -Nurp pdftk/Makefile.Slackware-13.1.orig pdftk/Makefile.Slackware-13.1
+--- orig/pdftk/Makefile.Slackware-13.1  2013-07-24 13:27:46.000000000 -0500
++++ pdftk/Makefile.Slackware-13.1       2018-03-04 06:20:55.312900883 -0600
+@@ -21,8 +21,9 @@
+ # tools
+ # need direct path to libgcj for gcjh (starting in gcj 4.1.2 per Aurélien GÃRÃME)
+ TOOLPATH=
+-export VERSUFF=-4.4.4
+-export CXX= $(TOOLPATH)g++
++GCCMAJORTAG=-5                            # kjh was here
++export VERSUFF=-5.5.0                     # kjh was here
++export CXX= $(TOOLPATH)g++$(GCCMAJORTAG)  # kjh was here
+ export GCJ= $(TOOLPATH)gcj
+ export GCJH= $(TOOLPATH)gcjh
+ export GJAR= $(TOOLPATH)gjar

office/pdftk/pdftk.SlackBuild

@@ -30,7 +30,7 @@ TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
-    i?86) ARCH=i486 ;;
+    i?86) ARCH=i586 ;;
     arm*) ARCH=arm ;;
        *) ARCH=$( uname -m ) ;;
   esac
@@ -41,8 +41,8 @@ TMP=${TMP:-/tmp/SBo}
 PKG=$TMP/package-$PRGNAM
 OUTPUT=${OUTPUT:-/tmp}
 
-if [ "$ARCH" = "i486" ]; then
-  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
   LIBDIRSUFFIX=""
 elif [ "$ARCH" = "i686" ]; then
   SLKCFLAGS="-O2 -march=i686 -mtune=i686"
@@ -68,10 +68,9 @@ find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
   -o -perm 511 \) -exec chmod 755 {} \; -o \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
- -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
-# Use our SLKCFLAGS
-patch -p1 < $CWD/pdftk-1.44-add_custom_optflags.patch
+patch -p1 < $CWD/pdftk-2.02-use-gcc5.patch
 
 cd $PRGNAM
   # Hardcode "-j1" since this fails with multiple make jobs

office/pdftk/pdftk.info

@@ -5,6 +5,6 @@ DOWNLOAD="https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/pdftk-2.02-src.zip
 MD5SUM="6534365fd6727724f288a556ede33faa"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
-REQUIRES=""
+REQUIRES="gcc5"
 MAINTAINER="ArTourter"
 EMAIL="artourter@gmail.com"