[PATCH 4/6] libdockapp: Remove AC_PATH_XTRA macro from configure.ac

We already check for libraries with the PKG_CHECK_MODULES macros.  This also
allows the Debian package to drop the Build-Depend on libice-dev.

Based on the Debian patch [1].

[1] https://sources.debian.net/src/libdockapp/1:0.7.1-1/debian/patches/remove_AC_PATH_XTRA.diff/
---
 libdockapp/configure.ac    | 2 --
 libdockapp/src/Makefile.am | 4 ++--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/libdockapp/configure.ac b/libdockapp/configure.ac
index cc0ea82..b4513a8 100644
--- a/libdockapp/configure.ac
+++ b/libdockapp/configure.ac
@@ -25,8 +25,6 @@ AC_PROG_CC
 AC_PROG_INSTALL
 
 dnl Checks for libraries.
-AC_PATH_XTRA
-
 PKG_CHECK_MODULES([X11],[x11])
 PKG_CHECK_MODULES([Xext],[xext])
 PKG_CHECK_MODULES([xpm],[xpm])
diff --git a/libdockapp/src/Makefile.am b/libdockapp/src/Makefile.am
index 5196001..de18b8e 100644
--- a/libdockapp/src/Makefile.am
+++ b/libdockapp/src/Makefile.am
@@ -3,7 +3,7 @@ AUTOMAKE_OPTIONS = no-dependencies
 
 lib_LTLIBRARIES = libdockapp.la
 
-libdockapp_la_LDFLAGS = -version-info 3:0:0 @X_LIBS@
+libdockapp_la_LDFLAGS = -version-info 3:0:0
 
 otherincludedir = $(includedir)/libdockapp
 otherinclude_HEADERS = dockapp.h \
@@ -30,7 +30,7 @@ libdockapp_la_SOURCES = \
 noinst_HEADERS = daargs.h dautil.h
 
 AM_CFLAGS = $(X11_CFLAGS) $(Xext_CFLAGS) $(xpm_CFLAGS)
-AM_CPPFLAGS = @X_CFLAGS@ @CPPFLAGS@ @DFLAGS@
+AM_CPPFLAGS = @CPPFLAGS@ @DFLAGS@
 LIBS += $(X11_LIBS) $(Xext_LIBS) $(xpm_LIBS)
 
 LIBLIST = libdockapp.la @XLIBS@
-- 
2.1.4


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