Hi,
I've tried to compile Fontconfig 2.3.95 on a Zeta (BeOS) system. This
system has a sysconf call, but lacks the _SC_PAGESIZE constant.
The attached patch makes it possible to compile fontconfig on BeOS again.
thanks,
-christian
Index: configure.in
===================================================================
RCS file: /cvs/fontconfig/fontconfig/configure.in,v
retrieving revision 1.66.2.12
diff -p -u -6 -r1.66.2.12 configure.in
--- configure.in 25 Apr 2006 15:33:07 -0000 1.66.2.12
+++ configure.in 25 May 2006 17:20:34 -0000
@@ -144,12 +144,19 @@ AC_TYPE_PID_T
# Checks for library functions.
AC_FUNC_VPRINTF
AC_FUNC_MMAP
AC_CHECK_FUNCS([geteuid getuid link memmove memset mkstemp strchr strrchr strtol getopt getopt_long sysconf ftruncate chsize rand_r])
+# Not all systems that have sysconf also have _SC_PAGESIZE
+# For example, BeOS has the former but lacks the latter
+AC_TRY_COMPILE([#include <unistd.h>],
+ [sysconf(_SC_PAGESIZE);],
+ [AC_DEFINE([HAVE_SC_PAGESIZE], [],
+ [Whether there's a _SC_PAGESIZE constant])])
+
#
# Checks for iconv
#
AC_MSG_CHECKING([for a usable iconv])
ICONV_LIBS=""
AC_TRY_LINK([#include <iconv.h>],
Index: src/fccache.c
===================================================================
RCS file: /cvs/fontconfig/fontconfig/src/fccache.c,v
retrieving revision 1.23.4.88
diff -p -u -6 -r1.23.4.88 fccache.c
--- src/fccache.c 27 Apr 2006 07:11:44 -0000 1.23.4.88
+++ src/fccache.c 25 May 2006 17:20:34 -0000
@@ -619,13 +619,13 @@ FcCacheNextOffset(off_t w)
static long pagesize = -1;
if (w == -1)
return w;
if (pagesize == -1)
-#if defined (HAVE_SYSCONF)
+#if defined (HAVE_SYSCONF) && defined (HAVE_SC_PAGESIZE)
pagesize = sysconf(_SC_PAGESIZE);
#else
pagesize = FC_HARDCODED_PAGESIZE;
#endif
if (w % pagesize == 0)
return w;
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