Added a configure check for sa_sigaction member of struct sigaction.

[dump.git] / configure.in

diff --git a/configure.in b/configure.in
index e41cf074c70ee0ed1b3dd991c12f1903ebc5c493..802f31a560cad4e276078aac381179f0ff171812 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -260,13 +260,23 @@ if test "$ext2fs_h" = no -o "$ext2fs_lib" = no; then
        AC_MSG_ERROR(You need to install the Ext2fs libraries from the E2fsprogs distribution first - hint: make install-libs)
 fi
 
+dnl
+dnl Check for termcap libraries
+dnl
+AC_CHECK_LIB(termcap, tgetent, [termcap_lib=yes], [termcap_lib=no])
+if test "$termcap_lib" = no; then
+       if test "$READLINE" = "-lreadline -ltermcap"; then
+               AC_MSG_ERROR(You need to install the GNU termcap libraries first)
+       fi
+fi
+
 dnl
 dnl Check for readline headers and libraries
 dnl
 AC_CHECK_HEADER(readline/readline.h, [readline_h=yes], [readline_h=no])
-AC_CHECK_LIB(readline, readline, [readline_lib=yes], [readline_lib=no])
+AC_CHECK_LIB(readline, readline, [readline_lib=yes], [readline_lib=no], "-ltermcap")
 if test "$readline_h" = no -o "$readline_lib" = no; then
-       if test "$READLINE" = "-lreadline"; then
+       if test "$READLINE" = "-lreadline -ltermcap"; then
                AC_MSG_ERROR(You need to install the GNU readline libraries first)
        fi
 fi
@@ -293,6 +303,22 @@ if test "$ac_cv_func_glob" = "yes"; then
        fi
 fi
 
+dnl
+dnl Check if sigaction structure has a sa_sigaction field
+dnl
+AC_MSG_CHECKING(whether struct sigaction has a sa_sigaction field)
+AC_CACHE_VAL(dump_cv_struct_sa_sigaction,
+AC_TRY_COMPILE(
+[#include <stdio.h>
+#include <signal.h>],
+[struct sigaction action; action.sa_sigaction = NULL;],
+[dump_cv_struct_sa_sigaction=yes],
+[dump_cv_struct_sa_sigaction=no]))
+AC_MSG_RESULT($dump_cv_struct_sa_sigaction)
+if test "$dump_cv_struct_sa_sigaction" = yes; then
+  AC_DEFINE(HAVE_SIGACTION_SA_SIGACTION)
+fi
+
 dnl
 dnl Check for types
 dnl