move few things from the mk/sys files to autoconf

src/common/autoconfig.h.in

@@ -26,3 +26,6 @@
 
 /* putenv parameter is const */
 #undef PUTENV_ARG_CONST
+
+/* mkdtemp availability */
+#undef HAVE_MKDTEMP

src/configure.ac

@@ -110,6 +110,8 @@ else
    AC_MSG_NOTICE([inotify monitoring disabled])
 fi
 
+AC_CHECK_FUNCS(mkdtemp)
+
 ##### Look for iconv. We first look for libiconv in /usr/local/lib:/usr/lib
 ##    then in libc (Linux, solaris)
 AC_LANG(C++)
@@ -306,7 +308,7 @@ AC_SUBST(QMAKE)
 AC_SUBST(QTGUI)
 AC_SUBST(QTRECOLL_DATADIR)
 AC_SUBST(XAPIANCXXFLAGS)
-
+AC_SUBST(HAVE_MKDTEMP)
 AC_CONFIG_FILES(mk/localdefs)
 AC_CONFIG_FILES(recollinstall)
 AC_CONFIG_FILES(Makefile)

src/mk/Darwin

@@ -2,8 +2,6 @@ include $(depth)/mk/commondefs
 include $(depth)/mk/localdefs
 
 ALL_CXXFLAGS = $(CXXFLAGS) $(COMMONCXXFLAGS) $(LOCALCXXFLAGS) \
-	   -DHAVE_VASPRINTF=1 \
-	   -DHAVE_MKDTEMP=1 \
 	   -DSTATFS_INCLUDE="<sys/mount.h>"
 
 RANLIB = ranlib

src/mk/FreeBSD

@@ -3,7 +3,5 @@ include $(depth)/mk/localdefs
 
 ALL_CXXFLAGS = $(CXXFLAGS) $(COMMONCXXFLAGS) $(LOCALCXXFLAGS) \
 	 -pthread  \
-	 -DHAVE_VASPRINTF=1 \
-	 -DHAVE_MKDTEMP=1 \
 	 -DSTATFS_INCLUDE="<sys/mount.h>"
 LIBSYS = 

src/mk/Linux

@@ -3,8 +3,6 @@ include $(depth)/mk/commondefs
 include $(depth)/mk/localdefs
 
 ALL_CXXFLAGS = $(CXXFLAGS) $(COMMONCXXFLAGS) $(LOCALCXXFLAGS) \
-	 -D_GNU_SOURCE \
-	 -DHAVE_VASPRINTF=1 \
-	 -DHAVE_MKDTEMP=1
+	 -D_GNU_SOURCE 
 
 LIBSYS = -lpthread -ldl

src/mk/OpenBSD

@@ -3,7 +3,5 @@ include $(depth)/mk/localdefs
 
 ALL_CXXFLAGS = $(CXXFLAGS) $(COMMONCXXFLAGS) $(LOCALCXXFLAGS) \
 	 -pthread  -I/usr/include \
-	 -DHAVE_VASPRINTF=1 \
-	 -DHAVE_MKDTEMP=1 \
 	 -DSTATFS_INCLUDE="<sys/mount.h>"
 LIBSYS =