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Diffstat (limited to 'gdb/configure.in')
| -rw-r--r-- | gdb/configure.in | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gdb/configure.in b/gdb/configure.in index 4c2e063..f452dec 100644 --- a/gdb/configure.in +++ b/gdb/configure.in @@ -617,6 +617,23 @@ if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then [Define if <thread_db.h> has the TD_NOTALLOC error code.]) fi +dnl linux-proc.c wants to use pread64, which may require special CFLAGS +dnl -D_BSD_SOURCE is normally assumed but we have to specify it because of +dnl -D_XOPEN_SOURCE=500. +if test $host = $target; then + case $target in + *-linux*) + save_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS -D_BSD_SOURCE -D_XOPEN_SOURCE=500 -D_LARGEFILE64_SOURCE" + AC_TRY_LINK([#include <unistd.h>], + [pread64 (0, NULL, 0, 0);], + [ENABLE_CFLAGS="$ENABLE_CFLAGS -D_BSD_SOURCE -D_XOPEN_SOURCE=500 -D_LARGEFILE64_SOURCE" + AC_DEFINE(HAVE_PREAD64)], []) + CFLAGS=$save_CFLAGS + ;; + esac +fi + dnl The CLI cannot be disabled yet, but may be in the future dnl Handle CLI sub-directory configury. |