x11-wm/wm2: port to EAPI 7

Signed-off-by: Sam James <sam@gentoo.org>

x11-wm/wm2/files/wm2-4-gentoo.patch

@@ -1,6 +1,5 @@
-diff -ur wm2-4/Border.C wm2-4.new/Border.C
---- wm2-4/Border.C	1997-03-21 12:12:30.000000000 +0100
-+++ wm2-4.new/Border.C	2007-06-30 16:56:10.000000000 +0200
+--- a/Border.C
++++ b/Border.C
 @@ -183,7 +183,7 @@
  
      if (m_label) free(m_label);
@@ -10,9 +9,8 @@ diff -ur wm2-4/Border.C wm2-4.new/Border.C
  
      int len = strlen(m_label);
      m_tabHeight = XRotTextWidth(m_tabFont, m_label, len) + 6 + m_tabWidth;
-diff -ur wm2-4/Buttons.C wm2-4.new/Buttons.C
---- wm2-4/Buttons.C	1997-03-21 12:12:30.000000000 +0100
-+++ wm2-4.new/Buttons.C	2007-06-30 16:56:10.000000000 +0200
+--- a/Buttons.C
++++ b/Buttons.C
 @@ -139,7 +139,11 @@
  		       (allowExit && ((n) > clients.count())) ? "[Exit wm2]" \
  		       : clients.item((n)-1)->label())
@@ -25,9 +23,8 @@ diff -ur wm2-4/Buttons.C wm2-4.new/Buttons.C
  	clients.append(m_hiddenClients.item(i));
      }
      int nh = clients.count() + 1;
-diff -ur wm2-4/Client.C wm2-4.new/Client.C
---- wm2-4/Client.C	1997-03-21 12:12:30.000000000 +0100
-+++ wm2-4.new/Client.C	2007-06-30 16:56:10.000000000 +0200
+--- a/Client.C
++++ b/Client.C
 @@ -4,7 +4,7 @@
  
  #include <X11/Xutil.h>
@@ -55,9 +52,8 @@ diff -ur wm2-4/Client.C wm2-4.new/Client.C
  }
  
  
-diff -ur wm2-4/Client.h wm2-4.new/Client.h
---- wm2-4/Client.h	1997-03-21 12:12:30.000000000 +0100
-+++ wm2-4.new/Client.h	2007-06-30 16:56:10.000000000 +0200
+--- a/Client.h
++++ b/Client.h
 @@ -2,6 +2,8 @@
  #ifndef _CLIENT_H_
  #define _CLIENT_H_
@@ -76,9 +72,8 @@ diff -ur wm2-4/Client.h wm2-4.new/Client.h
      int getIntegerProperty(Atom);
  
      // accessors 
-diff -ur wm2-4/Config.h wm2-4.new/Config.h
---- wm2-4/Config.h	1997-03-21 12:12:30.000000000 +0100
-+++ wm2-4.new/Config.h	2007-06-30 16:56:10.000000000 +0200
+--- a/Config.h
++++ b/Config.h
 @@ -39,6 +39,9 @@
  
  #define CONFIG_FRAME_THICKNESS    7
@@ -94,9 +89,8 @@ diff -ur wm2-4/Config.h wm2-4.new/Config.h
  
  #endif
 -
-diff -ur wm2-4/General.h wm2-4.new/General.h
---- wm2-4/General.h	1997-03-21 12:12:30.000000000 +0100
-+++ wm2-4.new/General.h	2007-06-30 16:56:10.000000000 +0200
+--- a/General.h
++++ b/General.h
 @@ -32,7 +32,7 @@
  #define NewString(x) (strcpy((char *)malloc(strlen(x)+1),(x)))
  
@@ -106,9 +100,8 @@ diff -ur wm2-4/General.h wm2-4.new/General.h
  #endif
  
  #define signal(x,y)     \
-diff -ur wm2-4/Makefile wm2-4.new/Makefile
---- wm2-4/Makefile	1997-03-21 12:12:30.000000000 +0100
-+++ wm2-4.new/Makefile	2007-06-30 16:56:10.000000000 +0200
+--- a/Makefile
++++ b/Makefile
 @@ -1,8 +1,8 @@
  
 -LIBS	=  -L/usr/X11/lib -lXext -lX11 -lXmu -lm
@@ -120,9 +113,8 @@ diff -ur wm2-4/Makefile wm2-4.new/Makefile
  CFLAGS	= -O2
  OBJECTS	= Border.o Buttons.o Client.o Events.o Main.o Manager.o Rotated.o
  
-diff -ur wm2-4/Manager.C wm2-4.new/Manager.C
---- wm2-4/Manager.C	1997-03-21 12:12:30.000000000 +0100
-+++ wm2-4.new/Manager.C	2007-06-30 16:56:10.000000000 +0200
+--- a/Manager.C
++++ b/Manager.C
 @@ -368,7 +368,7 @@
      return m_currentTime;
  }
@@ -132,9 +124,8 @@ diff -ur wm2-4/Manager.C wm2-4.new/Manager.C
  {
      m_signalled = True;
  }
-diff -ur wm2-4/Manager.h wm2-4.new/Manager.h
---- wm2-4/Manager.h	1997-03-21 12:12:30.000000000 +0100
-+++ wm2-4.new/Manager.h	2007-06-30 16:56:10.000000000 +0200
+--- a/Manager.h
++++ b/Manager.h
 @@ -85,7 +85,7 @@
  
      static Boolean m_initialising;

x11-wm/wm2/wm2-4-r1.ebuild

@@ -1,8 +1,9 @@
 # Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=5
-inherit epatch toolchain-funcs
+EAPI=7
+
+inherit toolchain-funcs
 
 DESCRIPTION="Small, unconfigurable window manager"
 HOMEPAGE="http://www.all-day-breakfast.com/wm2/"
@@ -16,16 +17,21 @@ RDEPEND="x11-libs/libXmu"
 DEPEND="${RDEPEND}
 	x11-base/xorg-proto"
 
+PATCHES=(
+	"${FILESDIR}"/${P}-gentoo.patch
+)
+
 src_prepare() {
-	epatch "${FILESDIR}/${P}-gentoo.patch"
+	default
+
 	sed -e "s/CFLAGS/CXXFLAGS/" \
 		-e "s/\$(CCC) -o/\$(CCC) \$(LDFLAGS) -o/" \
 		-i Makefile || die #334681
 
 	sed 's/^#//' Config.h > wm2.conf
-	if [ -e "/etc/wm2.conf" ]; then
-		echo "#undef _CONFIG_H_" >> Config.h
-		awk '/^[^/]/{print "#" $0}' /etc/wm2.conf >> Config.h
+	if [[ -e "${EPREFIX}"/etc/wm2.conf ]] ; then
+		echo "#undef _CONFIG_H_" >> Config.h || die
+		awk '/^[^/]/{print "#" $0}' "${EPREFIX}"/etc/wm2.conf >> Config.h || die
 	fi
 }
 
@@ -38,18 +44,17 @@ src_compile() {
 
 src_install() {
 	dobin wm2
+
 	insinto /etc
 	doins wm2.conf
 	dodoc README
 }
 
 pkg_postinst() {
-	echo
 	elog "wm2 is unconfigurable after you have installed. If you want to"
 	elog "change settings of wm2, please have a look at /etc/wm2.conf"
 	elog "and rewrite it, then emerge wm2 again (wm2 ebuild uses settings"
 	elog "from that file automatically). If you think wm2 lacks some important"
 	elog "features that you want to use (such as background pixmaps),"
 	elog "consider using wmx, written by the same author."
-	echo
 }