Ansification and compile warning fixes.

  This also uses XORG_CHANGELOG and XORG_CWARNFLAGS, corrects
make distcheck and all gcc 4.3 and sparse warnings.

5 files changed, 20 insertions, 13 deletions

diff --git a/.gitignore b/.gitignore
index d1fde44..f4eb813 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,7 @@ stamp-h1
 xeyes
 xeyes.1
 *~
+*.o
+xeyes-*.tar.*
+ChangeLog
+tags
diff --git a/Eyes.c b/Eyes.c
index 181d794..745ba99 100644
--- a/Eyes.c
+++ b/Eyes.c
@@ -169,7 +169,7 @@ static void Initialize (
 						       &shape_error_base))
 	w->eyes.shape_window = False;
     w->eyes.shape_mask = 0;
-    w->eyes.shapeGC = 0;
+    w->eyes.shapeGC = NULL;
 }
 
 static void eyeLiner (
diff --git a/Makefile.am b/Makefile.am
index 7fa48a0..ca2956c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -74,6 +74,6 @@ MAINTAINERCLEANFILES = ChangeLog
 .PHONY: ChangeLog
 
 ChangeLog:
-	(GIT_DIR=$(top_srcdir)/.git git-log > .changelog.tmp && mv .changelog.tmp ChangeLog; rm -f .changelog.tmp) || (touch ChangeLog; echo 'git directory not found: installing possibly empty changelog.' >&2)
+	$(CHANGELOG_CMD)
 
 dist-hook: ChangeLog
diff --git a/configure.ac b/configure.ac
index 0046cbd..188d2ca 100644
--- a/configure.ac
+++ b/configure.ac
@@ -28,15 +28,23 @@ AM_MAINTAINER_MODE
 
 AM_CONFIG_HEADER(config.h)
 
+# Require xorg-macros: XORG_CWARNFLAGS, XORG_CHANGELOG
+m4_ifndef([XORG_MACROS_VERSION], [AC_FATAL([must install xorg-macros 1.2 or later before running autoconf/autogen])])
+XORG_MACROS_VERSION(1.2)
+
 AC_PROG_CC
 AC_PROG_INSTALL
 
+XORG_CWARNFLAGS
+
 # Checks for pkg-config packages
 PKG_CHECK_MODULES(XEYES, x11 xt xext xmu)
+XEYES_CFLAGS="$CWARNFLAGS $XEYES_CFLAGS"
 AC_SUBST(XEYES_CFLAGS)
 AC_SUBST(XEYES_LIBS)
 
 XORG_MANPAGE_SECTIONS
 XORG_RELEASE_VERSION
+XORG_CHANGELOG
 
 AC_OUTPUT([Makefile])
diff --git a/transform.c b/transform.c
index be4896c..0f02498 100644
--- a/transform.c
+++ b/transform.c
@@ -83,13 +83,9 @@ TDrawArc (
 #endif
 
 void
-TFillArc (dpy, d, gc, t, x, y, width, height, angle1, angle2)
-    Display	*dpy;
-    Drawable	d;
-    GC		gc;
-    Transform	*t;
-    double	x, y, width, height;
-    int		angle1, angle2;
+TFillArc (Display *dpy, Drawable d, GC gc, Transform *t,
+	  double x, double y, double width, double height,
+	  int angle1, int angle2)
 {
 	int	xx, xy, xw, xh;
 
@@ -109,10 +105,9 @@ TFillArc (dpy, d, gc, t, x, y, width, height, angle1, angle2)
 }
 
 void
-SetTransform (t, xx1, xx2, xy1, xy2, tx1, tx2, ty1, ty2)
-    Transform	*t;
-    int		xx1, xx2, xy1, xy2;
-    double	tx1, tx2, ty1, ty2;
+SetTransform (Transform *t,
+	      int xx1, int xx2, int xy1, int xy2,
+	      double tx1, double tx2, double ty1, double ty2)
 {
 	t->mx = ((double) xx2 - xx1) / (tx2 - tx1);
 	t->bx = ((double) xx1) - t->mx * tx1;