acinclude.m4

    else dnl $GCC = yes

      AC_MSG_NOTICE([Added no extra compiler options])

    fi dnl $GCC = yes

    dnl strip off optimizer flags
    NEWFLAGS=""
    for flag in $CFLAGS; do
      case "$flag" in
      -O*)
        dnl echo "cut off $flag"
        ;;
      *)
        NEWFLAGS="$NEWFLAGS $flag"
        ;;
      esac
    done
    CFLAGS=$NEWFLAGS

]) dnl end of AC_DEFUN()

# This is only a temporary fix. This macro is here to replace the broken one
# delivered by the automake project (including the 1.9.6 release). As soon as
# they ship a working version we SHOULD remove this work-around.

AC_DEFUN([AM_MISSING_HAS_RUN],
[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
test x"${MISSING+set}" = xset || MISSING="\${SHELL} \"$am_aux_dir/missing\""
# Use eval to expand $SHELL
if eval "$MISSING --run true"; then
  am_missing_run="$MISSING --run "
else
  am_missing_run=
  AC_MSG_WARN([`missing' script is too old or missing])
fi
])


dnl CURL_VERIFY_RUNTIMELIBS
dnl -------------------------------------------------
dnl Verify that the shared libs found so far can be used when running
dnl programs, since otherwise the situation will create odd configure errors
dnl that are misleading people.
dnl
dnl Make sure this test is run BEFORE the first test in the script that
dnl runs anything, which at the time of this writing is the AC_CHECK_SIZEOF
dnl macro. It must also run AFTER all lib-checking macros are complete.

AC_DEFUN([CURL_VERIFY_RUNTIMELIBS], [

  dnl this test is of course not sensible if we are cross-compiling!
  if test "x$cross_compiling" != xyes; then

    dnl just run a program to verify that the libs checked for previous to this
    dnl point also is available run-time!
    AC_MSG_CHECKING([run-time libs availability])
    AC_TRY_RUN([
main()
{
  return 0;
}
],
    AC_MSG_RESULT([fine]),
    AC_MSG_RESULT([failed])
    AC_MSG_ERROR([one or more libs available at link-time are not available run-time. Libs used at link-time: $LIBS])
    )

    dnl if this test fails, configure has already stopped
  fi
])


dnl CURL_CHECK_VARIADIC_MACROS
dnl -------------------------------------------------
dnl Check compiler support of variadic macros

AC_DEFUN([CURL_CHECK_VARIADIC_MACROS], [
  AC_CACHE_CHECK([for compiler support of C99 variadic macro style],
    [curl_cv_variadic_macros_c99], [
    AC_COMPILE_IFELSE([
      AC_LANG_PROGRAM([[
#define c99_vmacro3(first, ...) fun3(first, __VA_ARGS__)
#define c99_vmacro2(first, ...) fun2(first, __VA_ARGS__)
        int fun3(int arg1, int arg2, int arg3);
        int fun2(int arg1, int arg2);
        int fun3(int arg1, int arg2, int arg3)
        { return arg1 + arg2 + arg3; }
        int fun2(int arg1, int arg2)
        { return arg1 + arg2; }
      ]],[[
        int res3 = c99_vmacro3(1, 2, 3);
        int res2 = c99_vmacro2(1, 2);
      ]])
    ],[
      curl_cv_variadic_macros_c99="yes"
    ],[
      curl_cv_variadic_macros_c99="no"
    ])
  ])
  case "$curl_cv_variadic_macros_c99" in
    yes)
      AC_DEFINE_UNQUOTED(HAVE_VARIADIC_MACROS_C99, 1,
        [Define to 1 if compiler supports C99 variadic macro style.])
      ;;
  esac
  AC_CACHE_CHECK([for compiler support of old gcc variadic macro style],
    [curl_cv_variadic_macros_gcc], [
    AC_COMPILE_IFELSE([
      AC_LANG_PROGRAM([[
#define gcc_vmacro3(first, args...) fun3(first, args)
#define gcc_vmacro2(first, args...) fun2(first, args)
        int fun3(int arg1, int arg2, int arg3);
        int fun2(int arg1, int arg2);
        int fun3(int arg1, int arg2, int arg3)
        { return arg1 + arg2 + arg3; }
        int fun2(int arg1, int arg2)
        { return arg1 + arg2; }
      ]],[[
        int res3 = gcc_vmacro3(1, 2, 3);
        int res2 = gcc_vmacro2(1, 2);
      ]])
    ],[
      curl_cv_variadic_macros_gcc="yes"
    ],[
      curl_cv_variadic_macros_gcc="no"
    ])
  ])
  case "$curl_cv_variadic_macros_gcc" in
    yes)
      AC_DEFINE_UNQUOTED(HAVE_VARIADIC_MACROS_GCC, 1,
        [Define to 1 if compiler supports old gcc variadic macro style.])
      ;;
  esac
])


dnl CURL_CHECK_CA_BUNDLE
dnl -------------------------------------------------
dnl Check if a default ca-bundle should be used
dnl
dnl regarding the paths this will scan:
dnl /etc/ssl/certs/ca-certificates.crt Debian systems
dnl /etc/pki/tls/certs/ca-bundle.crt Redhat and Mandriva
dnl /usr/share/ssl/certs/ca-bundle.crt old(er) Redhat
dnl /etc/ssl/certs/ (ca path) SUSE

AC_DEFUN([CURL_CHECK_CA_BUNDLE], [

  AC_MSG_CHECKING([default CA cert bundle/path])

  AC_ARG_WITH(ca-bundle,
AC_HELP_STRING([--with-ca-bundle=FILE], [File name to use as CA bundle])
AC_HELP_STRING([--without-ca-bundle], [Don't use a default CA bundle]),
  [
    want_ca="$withval"
    if test "x$want_ca" = "xyes"; then
      AC_MSG_ERROR([--with-ca-bundle=FILE requires a path to the CA bundle])
    fi
  ],
  [ want_ca="unset" ])
  AC_ARG_WITH(ca-path,
AC_HELP_STRING([--with-ca-path=DIRECTORY], [Directory to use as CA path])
AC_HELP_STRING([--without-ca-path], [Don't use a default CA path]),
  [
    want_capath="$withval"
    if test "x$want_capath" = "xyes"; then
      AC_MSG_ERROR([--with-ca-path=DIRECTORY requires a path to the CA path directory])
    fi
  ],
  [ want_capath="unset"])

  if test "x$want_ca" != "xno" -a "x$want_ca" != "xunset" -a \
          "x$want_capath" != "xno" -a "x$want_capath" != "xunset"; then
    dnl both given
    AC_MSG_ERROR([Can't specify both --with-ca-bundle and --with-ca-path.])
  elif test "x$want_ca" != "xno" -a "x$want_ca" != "xunset"; then
    dnl --with-ca-bundle given
    ca="$want_ca"
    capath="no"
  elif test "x$want_capath" != "xno" -a "x$want_capath" != "xunset"; then
    dnl --with-ca-path given
    if test "x$OPENSSL_ENABLED" != "x1"; then
      AC_MSG_ERROR([--with-ca-path only works with openSSL])
    fi
    capath="$want_capath"
    ca="no"
  else
    dnl neither of --with-ca-* given
    dnl first try autodetecting a CA bundle , then a CA path
    dnl both autodetections can be skipped by --without-ca-*
    ca="no"
    capath="no"
    if test "x$want_ca" = "xunset"; then
      dnl the path we previously would have installed the curl ca bundle
      dnl to, and thus we now check for an already existing cert in that place
      dnl in case we find no other
      if test "x$prefix" != xNONE; then
        cac="${prefix}/share/curl/curl-ca-bundle.crt"
      else
        cac="$ac_default_prefix/share/curl/curl-ca-bundle.crt"
      fi

      for a in /etc/ssl/certs/ca-certificates.crt \
               /etc/pki/tls/certs/ca-bundle.crt \
               /usr/share/ssl/certs/ca-bundle.crt \
               "$cac"; do
        if test -f "$a"; then
          ca="$a"
          break
        fi
      done
    fi
    if test "x$want_capath" = "xunset" -a "x$ca" = "xno" -a \
            "x$OPENSSL_ENABLED" = "x1"; then
      for a in /etc/ssl/certs/; do
        if test -d "$a" && ls "$a"/[[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]].0 >/dev/null 2>/dev/null; then
          capath="$a"
          break
        fi
      done
    fi
  fi
        
    

  if test "x$ca" != "xno"; then
    CURL_CA_BUNDLE='"'$ca'"'
    AC_DEFINE_UNQUOTED(CURL_CA_BUNDLE, "$ca", [Location of default ca bundle])
    AC_SUBST(CURL_CA_BUNDLE)
    AC_MSG_RESULT([$ca])
  elif test "x$capath" != "xno"; then
    CURL_CA_PATH="\"$capath\""
    AC_DEFINE_UNQUOTED(CURL_CA_PATH, "$capath", [Location of default ca path])
    AC_MSG_RESULT([$capath (capath)])
  else
    AC_MSG_RESULT([no])
  fi
])