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Test for sys/syscall.h in configure to fix dietlibc build problem 

When compiling with dietlibc, sys/syscall.h isn't supported; as of
dietlibc 0.30, it exists but it references a non-existent asm/unistd.h
header file.  So we have to test for its existence and avoid using it
in lib/uuid/gen_uuid.c if it is not supported.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
bitmap-optimize
Theodore Ts'o 2007-12-31 14:36:48 -05:00
parent 61a679d4d7
commit 29dd9d1e90
3 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
configure vendored
View File

@ -11589,7 +11589,8 @@ fi
for ac_header in stdlib.h unistd.h stdarg.h stdint.h errno.h malloc.h mntent.h paths.h dirent.h getopt.h setjmp.h signal.h termios.h linux/fd.h linux/major.h sys/disklabel.h sys/ioctl.h sys/mman.h sys/mkdev.h sys/prctl.h sys/queue.h sys/sockio.h sys/socket.h sys/sysmacros.h sys/time.h sys/stat.h sys/types.h sys/wait.h sys/resource.h net/if_dl.h netinet/in.h utime.h
for ac_header in stdlib.h unistd.h stdarg.h stdint.h errno.h malloc.h mntent.h paths.h dirent.h getopt.h setjmp.h signal.h termios.h linux/fd.h linux/major.h sys/disklabel.h sys/ioctl.h sys/mman.h sys/mkdev.h sys/prctl.h sys/queue.h sys/sockio.h sys/socket.h sys/sysmacros.h sys/time.h sys/stat.h sys/types.h sys/wait.h sys/resource.h sys/syscall.h net/if_dl.h netinet/in.h utime.h
do
as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then

2
configure.in
View File

@ -611,7 +611,7 @@ if test $cross_compiling = no; then
else
AC_CHECK_PROGS(BUILD_CC, gcc cc)
fi
AC_CHECK_HEADERS(stdlib.h unistd.h stdarg.h stdint.h errno.h malloc.h mntent.h paths.h dirent.h getopt.h setjmp.h signal.h termios.h linux/fd.h linux/major.h sys/disklabel.h sys/ioctl.h sys/mman.h sys/mkdev.h sys/prctl.h sys/queue.h sys/sockio.h sys/socket.h sys/sysmacros.h sys/time.h sys/stat.h sys/types.h sys/wait.h sys/resource.h net/if_dl.h netinet/in.h utime.h)
AC_CHECK_HEADERS(stdlib.h unistd.h stdarg.h stdint.h errno.h malloc.h mntent.h paths.h dirent.h getopt.h setjmp.h signal.h termios.h linux/fd.h linux/major.h sys/disklabel.h sys/ioctl.h sys/mman.h sys/mkdev.h sys/prctl.h sys/queue.h sys/sockio.h sys/socket.h sys/sysmacros.h sys/time.h sys/stat.h sys/types.h sys/wait.h sys/resource.h sys/syscall.h net/if_dl.h netinet/in.h utime.h)
AC_CHECK_HEADERS(sys/disk.h sys/mount.h,,,
[[
#if HAVE_SYS_QUEUE_H

2
lib/uuid/gen_uuid.c
View File

@ -72,7 +72,7 @@
#ifdef HAVE_NET_IF_DL_H
#include <net/if_dl.h>
#endif
#ifdef __linux__
#if defined(__linux__) && defined(HAVE_SYS_SYSCALL_H)
#include <sys/syscall.h>
#endif