git-send-email: show all headers when sending mail

diff --git a/configure.ac b/configure.ac
index 84fd7f1e1f2fd670de38a43bfe65d3988fc4767e..53e9a17c737e10a51b8b33b9cf258744817e6e9a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -73,7 +73,7 @@ fi \
 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 \
+ [if test "$withval" = "no" || test "$withval" = "yes"; then \
        AC_MSG_WARN([You should provide name for --with-lib=ARG]); \
 else \
        GIT_CONF_APPEND_LINE(lib=$withval); \
@@ -104,7 +104,7 @@ AC_MSG_NOTICE([CHECKS for programs])
 #
 AC_PROG_CC([cc gcc])
 #AC_PROG_INSTALL               # needs install-sh or install.sh in sources
-AC_CHECK_TOOL(AR, ar, :)
+AC_CHECK_TOOLS(AR, [gar ar], :)
 AC_CHECK_PROGS(TAR, [gtar tar])
 # TCLTK_PATH will be set to some value if we want Tcl/Tk
 # or will be empty otherwise.
@@ -182,6 +182,26 @@ AC_SUBST(NEEDS_LIBICONV)
 AC_SUBST(NO_ICONV)
 test -n "$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],
@@ -245,9 +265,9 @@ AC_RUN_IFELSE(
        [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
                [[char buf[64];
                if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5)
-                 exit(1);
+                 return 1;
                else if (strcmp(buf, "12345"))
-                 exit(2);]])],
+                 return 2;]])],
        [ac_cv_c_c99_format=yes],
        [ac_cv_c_c99_format=no])
 ])