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locks; strict;
comment	@# @;


1.1
date	2017.09.15.22.18.00;	author ast;	state Exp;
branches;
next	;
commitid	10saBsQi067djl7A;


desc
@@


1.1
log
@pdfgrep: fix compile with pre-2016/12/16 dirent.h on NetBSD

dirent.h v1.35 from before 2016-12-16 has a different prototype for
scandir() and thus cache.cc won't compile there. Added a configure
section to detect this so that both v1.35 and v1.36 dirent.h work.
@
text
@$NetBSD$

* Compile with pre-2016/12/16 v1.36 dirent.h on NetBSD

--- configure.orig	2017-03-06 10:29:52.000000000 +0100
+++ configure	2017-09-15 23:49:38.676008878 +0200
@@@@ -621,6 +621,7 @@@@
 # include <unistd.h>
 #endif"
 
+ac_c_werror_flag=
 ac_subst_vars='am__EXEEXT_FALSE
 am__EXEEXT_TRUE
 LTLIBOBJS
@@@@ -5066,6 +5067,51 @@@@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if scandir's compar() expects const void * pointers" >&5
+$as_echo_n "checking if scandir's compar() expects const void * pointers... " >&6; }
+
+ac_c_werror_flag=yes
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <dirent.h>
+int
+main ()
+{
+
+    const char *dirname;
+    struct dirent ***namelist;
+    int (*f_select)(const struct dirent *);
+    int (*f_compar)(const void *, const void *);
+    scandir(dirname, namelist, f_select, f_compar);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+     { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define SCANDIR_COMPAR_USES_CONST_VOID_POINTER 1
+_ACEOF
+
+
+else
+
+     { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define SCANDIR_COMPAR_USES_CONST_VOID_POINTER 0
+_ACEOF
+
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
 
 
 
@