Merge branch 'jc/maint-add-sync-stat' into maint

[git.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index b2f196585ddf311a46b476545cbb849b4fa7640c..ab516db379c00ce6eefbed1d282fb7ad39cc0654 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -69,6 +69,17 @@ fi \
 ## Site configuration related to programs (before tests)
 ## --with-PACKAGE[=ARG] and --without-PACKAGE
 #
+# Set lib to alternative name of lib directory (e.g. lib64)
+AC_ARG_WITH([lib],
+ [AS_HELP_STRING([--with-lib=ARG],
+                 [ARG specifies alternative name for lib directory])],
+ [if test "$withval" = "no" -o "$withval" = "yes"; then \
+       AC_MSG_WARN([You should provide name for --with-lib=ARG]); \
+else \
+       GIT_CONF_APPEND_LINE(lib=$withval); \
+fi; \
+],[])
+#
 # Define SHELL_PATH to provide path to shell.
 GIT_ARG_SET_PATH(shell)
 #
@@ -93,7 +104,7 @@ AC_MSG_NOTICE([CHECKS for programs])
 #
 AC_PROG_CC([cc gcc])
 #AC_PROG_INSTALL               # needs install-sh or install.sh in sources
-AC_CHECK_TOOL(AR, ar, :)
+AC_CHECK_TOOLS(AR, [gar ar], :)
 AC_CHECK_PROGS(TAR, [gtar tar])
 # TCLTK_PATH will be set to some value if we want Tcl/Tk
 # or will be empty otherwise.
@@ -171,6 +182,26 @@ AC_SUBST(NEEDS_LIBICONV)
 AC_SUBST(NO_ICONV)
 test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv"
 #
+# Define NO_DEFLATE_BOUND if deflateBound is missing from zlib.
+AC_DEFUN([ZLIBTEST_SRC], [
+#include <zlib.h>
+
+int main(void)
+{
+       deflateBound(0, 0);
+       return 0;
+}
+])
+AC_MSG_CHECKING([for deflateBound in -lz])
+old_LIBS="$LIBS"
+LIBS="$LIBS -lz"
+AC_LINK_IFELSE(ZLIBTEST_SRC,
+       [AC_MSG_RESULT([yes])],
+       [AC_MSG_RESULT([no])
+       NO_DEFLATE_BOUND=yes])
+LIBS="$old_LIBS"
+AC_SUBST(NO_DEFLATE_BOUND)
+#
 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
 # Patrick Mauritz).
 AC_CHECK_LIB([c], [socket],