* configure.in: Check for headers byteswap.h, sys/bswap.h, machine/endian.h,

machine/byte_order.h, and functions bswap16, bswap64, bswap_16, and bswap_64.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@17236 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/ChangeLog b/src/ChangeLog
index 8f4f9efbd6c24188c0c677aa1ffc20cc88e36f0e..a602e23c61995c5d09867500c4fffcd1218af3fd 100644 (file)
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,9 @@
+2005-06-09  Ken Raeburn  <raeburn@mit.edu>
+
+       * configure.in: Check for headers byteswap.h, sys/bswap.h,
+       machine/endian.h, machine/byte_order.h, and functions bswap16,
+       bswap64, bswap_16, and bswap_64.
+
 2005-06-06  Ken Raeburn  <raeburn@mit.edu>
 
        * configure.in: Put #undef for the PACKAGE_* symbols at the start

diff --git a/src/configure.in b/src/configure.in
index 937dca21cb0818be780f939ffe4ed264a6a2f7fd..36db4c8fec6ba0ab0db606ebc271d19dbbd6436f 100644 (file)
--- a/src/configure.in
+++ b/src/configure.in
@@ -139,10 +139,28 @@ AC_PROG_INSTALL
 AC_PROG_AWK
 AC_PROG_LEX
 AC_C_CONST
-AC_CHECK_FUNCS(strdup setvbuf inet_ntoa inet_aton seteuid setresuid setreuid setegid setresgid setregid setsid flock fchmod chmod strftime strptime geteuid setenv unsetenv getenv gethostbyname2 getifaddrs gmtime_r localtime_r pthread_mutex_lock sched_yield dlopen)
-AC_CHECK_FUNCS( mkstemp)
+AC_CHECK_FUNCS(strdup setvbuf inet_ntoa inet_aton seteuid setresuid setreuid setegid setresgid setregid setsid flock fchmod chmod strftime strptime geteuid setenv unsetenv getenv gethostbyname2 getifaddrs gmtime_r localtime_r pthread_mutex_lock sched_yield dlopen bswap16 bswap64 mkstemp)
 AC_HEADER_STDARG
-AC_CHECK_HEADERS(unistd.h paths.h regex.h regexp.h regexpr.h fcntl.h memory.h ifaddrs.h sys/filio.h sched.h)
+AC_CHECK_HEADERS(unistd.h paths.h regex.h regexp.h regexpr.h fcntl.h memory.h ifaddrs.h sys/filio.h sched.h byteswap.h machine/endian.h machine/byte_order.h sys/bswap.h)
+dnl bswap_16 is a macro in byteswap.h under GNU libc
+AC_MSG_CHECKING(for bswap_16)
+AC_CACHE_VAL(krb5_cv_bswap_16,[
+AC_TRY_LINK([#if HAVE_BYTESWAP_H
+#include <byteswap.h>
+#endif],[bswap_16(37);],krb5_cv_bswap_16=yes,krb5_cv_bswap_16=no)])
+AC_MSG_RESULT($krb5_cv_bswap_16)
+if test "$krb5_cv_bswap_16" = yes; then
+  AC_DEFINE(HAVE_BSWAP_16,1,[Define to 1 if bswap_16 is available via byteswap.h])
+fi
+AC_MSG_CHECKING(for bswap_64)
+AC_CACHE_VAL(krb5_cv_bswap_64,[
+AC_TRY_LINK([#if HAVE_BYTESWAP_H
+#include <byteswap.h>
+#endif],[bswap_64(37);],krb5_cv_bswap_64=yes,krb5_cv_bswap_64=no)])
+AC_MSG_RESULT($krb5_cv_bswap_64)
+if test "$krb5_cv_bswap_64" = yes; then
+  AC_DEFINE(HAVE_BSWAP_64,1,[Define to 1 if bswap_64 is available via byteswap.h])
+fi
 dnl
 dnl Check what the return types for gethostbyname_r and getservbyname_r are.
 dnl