add a pkg-config file for libdice

Makefile.am

@@ -14,4 +14,6 @@ AM_CFLAGS =		-Ilib
 
 libdice_la_LIBADD =	${BSD_LIBS}
 
+pkgconfig_DATA =	libdice.pc
+
 SUBDIRS	=		. tests

configure.ac

@@ -13,7 +13,7 @@ PKG_CHECK_MODULES([CMOCKA], [cmocka >= 1.0.1])
 
 AC_CHECK_HEADER_STDBOOL()
 
-AC_CHECK_FUNCS([arc4random arc4random_uniform strlcat strlcpy],,
+AC_CHECK_FUNCS([arc4random_uniform],,
    [PKG_CHECK_MODULES([BSD], [libbsd])])
 
 AC_CONFIG_FILES([Makefile tests/Makefile])
@@ -22,4 +22,7 @@ AC_SEARCH_LIBS([cos], [m], [], [
   AC_MSG_ERROR([unable to find the cos() function])
 ])
 
+PKG_INSTALLDIR
+AC_CONFIG_FILES([libdice.pc])
+
 AC_OUTPUT

libdice.pc.in

@@ -0,0 +1,12 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libdice
+Description: dice rolling and math expression library
+Version: 0.1
+Requires:
+Conflicts:
+Cflags: -I${includedir}
+Libs: -L${libdir} -ldice