Prevented the linker from choking on Solaris because of a static libr…

…ary with no symbols

makefile.lst

@@ -271,6 +271,7 @@ ALLEGRO_SRC_UNIX_FILES = \
 	src/unix/arts.c \
 	src/unix/udjgpp.c \
 	src/unix/udrvlist.c \
+	src/unix/udummy.c \
 	src/unix/uesd.c \
 	src/unix/ufile.c \
 	src/unix/ugfxdrv.c \

misc/deplib.sh

@@ -32,9 +32,12 @@ write_code() {
 }
 
 
+# See src/unix/udummy.c for the rationale
 sources=`echo $* | sed 's,[^	 ]*/,,g'`
 sharable_sources=`echo $sources | sed 's,[^.	 ]*\.s,,g'`
+sharable_sources=`echo $sharable_sources | sed 's,[	 ]*udummy\.c,,g'`
 unsharable_sources=`echo $sources | sed 's,[^.	 ]*\.[^s],,g'`
+unsharable_sources=`echo $unsharable_sources udummy.c`
 
 objects=`echo $sources | sed 's,\.[^.	 ]*,,g'`
 sharable_objects=`echo $sharable_sources | sed 's,\.[^.	 ]*,,g'`

src/unix/udummy.c

@@ -0,0 +1,8 @@
+/* This file contains a dummy symbol that gets unconditionally included
+ * in liballeg_unsharable.a through a tweak in misc/deplib.sh, in order
+ * to make sure that the static library contains at least one symbol.
+ * This is needed for Solaris because the linker chokes when a library
+ * contains no symbol.
+ */
+
+int _dummy_symbol;