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dnl Functions for wincrypt
dnl
dnl Version: 20130714
dnl Function to detect whether a certain #define is present in a certain WINAPI header
AC_DEFUN([AX_WINCRYPT_CHECK_WINAPI_DEFINE],
[AC_CACHE_CHECK(
[whether $1 defines $2],
[ac_cv_winapi_define_$2],
[AC_LANG_PUSH(C)
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <windows.h>
#include <$1>
#if !defined( $2 )
#error $2 is not defined
#endif]]
[[]] )],
[ac_cv_winapi_define_$2=yes],
[ac_cv_winapi_define_$2=no])
AC_LANG_POP(C) ])
])
dnl Function to detect if wincrypt functions are available
AC_DEFUN([AX_WINCRYPT_CHECK_LIB],
[AC_CHECK_HEADERS(
[wincrypt.h],
[],
[],
[#include <windows.h>])
AS_IF(
[test "x$ac_cv_header_wincrypt" = xno],
[ac_cv_wincrypt=no],
[AC_SUBST(
[LIBCRYPTO_LIBADD],
[-ladvapi32])
ac_cv_wincrypt=libadvapi32])
])
dnl Function to detect if wincrypt MD5 functions are available
AC_DEFUN([AX_WINCRYPT_CHECK_MD5],
[AX_WINCRYPT_CHECK_WINAPI_DEFINE(
[wincrypt.h],
[CALG_MD5])
AS_IF(
[test "x$ac_cv_winapi_define_CALG_MD5" = xyes],
[ac_cv_wincrypt_md5=libadvapi32],
[ac_cv_wincrypt_md5=local])
])
dnl Function to detect if wincrypt SHA1 functions are available
AC_DEFUN([AX_WINCRYPT_CHECK_SHA1],
[AX_WINCRYPT_CHECK_WINAPI_DEFINE(
[wincrypt.h],
[CALG_SHA1])
AS_IF(
[test "x$ac_cv_winapi_define_CALG_SHA1" = xyes],
[ac_cv_wincrypt_sha1=libadvapi32],
[ac_cv_wincrypt_sha1=local])
])
dnl Function to detect if wincrypt SHA256 functions are available
AC_DEFUN([AX_WINCRYPT_CHECK_SHA256],
[AX_WINCRYPT_CHECK_WINAPI_DEFINE(
[wincrypt.h],
[CALG_SHA_256])
AS_IF(
[test "x$ac_cv_winapi_define_CALG_SHA_256" = xyes],
[ac_cv_wincrypt_sha256=libadvapi32],
[ac_cv_wincrypt_sha256=local])
])
dnl Function to detect if wincrypt SHA512 functions are available
AC_DEFUN([AX_WINCRYPT_CHECK_SHA512],
[AX_WINCRYPT_CHECK_WINAPI_DEFINE(
[wincrypt.h],
[CALG_SHA_512])
AS_IF(
[test "x$ac_cv_winapi_define_CALG_SHA_512" = xyes],
[ac_cv_wincrypt_sha512=libadvapi32],
[ac_cv_wincrypt_sha512=local])
])
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