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Require libgcrypt 1.5

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Without Libgcrypt 1.5 is was not possible to use ECC keys.  ECC is
major new feature and thus it does not make sense to allow building
with an older Libgcrypt without supporting ECC.

Also fixed a few missing prototypes.
This commit is contained in:
Werner Koch 2011-03-08 12:23:59 +01:00
parent 3582e2efa4
commit 327af90594
11 changed files with 33 additions and 74 deletions
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40
configure.ac
View file

@ -43,7 +43,7 @@ development_version=no
NEED_GPG_ERROR_VERSION=1.8
NEED_LIBGCRYPT_API=1
NEED_LIBGCRYPT_VERSION=1.4.6
NEED_LIBGCRYPT_VERSION=1.5.0
NEED_LIBASSUAN_API=2
NEED_LIBASSUAN_VERSION=2.0.0
@ -742,40 +742,6 @@ AM_PATH_GPG_ERROR("$NEED_GPG_ERROR_VERSION",
AM_PATH_LIBGCRYPT("$NEED_LIBGCRYPT_API:$NEED_LIBGCRYPT_VERSION",
have_libgcrypt=yes,have_libgcrypt=no)
# fixme: We can remove the next two checks if we require libgcrypt 1.5.
AC_CACHE_CHECK([whether Libgcrypt support ECDH], gnupg_cv_gcry_pk_ecdh,
[ _gnupg_gcry_save_cflags=$CFLAGS
CFLAGS="$CFLAGS $LIBGCRYPT_CFLAGS"
AC_TRY_COMPILE(
[#include <gcrypt.h>],
[ return GCRY_PK_ECDH; ],
gnupg_cv_gcry_pk_ecdh=yes,
gnupg_cv_gcry_pk_ecdh=no)
CFLAGS=$_gnupg_gcry_save_cflags])
if test "$gnupg_cv_gcry_pk_ecdh" = yes; then
AC_DEFINE([HAVE_GCRY_PK_ECDH], 1,
[Define if gcrypt.h has the enum value for ECDH.])
fi
AC_CACHE_CHECK([whether Libgcrypt has gcry_pk_get_curve],
gnupg_cv_gcry_pk_get_curve,
[ _gnupg_gcry_save_cflags=$CFLAGS
_gnupg_gcry_save_libs=$LIBS
CFLAGS="$CFLAGS $LIBGCRYPT_CFLAGS"
LIBS="$LIBS $LIBGCRYPT_LIBS"
AC_TRY_LINK(
[#include <gcrypt.h>],
[ return gcry_pk_get_curve (NULL, 0, NULL); ],
gnupg_cv_gcry_pk_get_curve=yes,
gnupg_cv_gcry_pk_get_curve=no)
LIBS=$_gnupg_gcry_save_libs
CFLAGS=$_gnupg_gcry_save_cflags])
if test "$gnupg_cv_gcry_pk_get_curve" = yes; then
AC_DEFINE([HAVE_GCRY_PK_GET_CURVE], 1,
[Define if gcrypt.h has gcry_pk_get_curve.])
fi
#
# libassuan is used for IPC
#
@ -1172,7 +1138,7 @@ fi
AC_MSG_NOTICE([checking for header files])
AC_HEADER_STDC
AC_CHECK_HEADERS([string.h unistd.h langinfo.h termio.h locale.h getopt.h \
pty.h pwd.h inttypes.h signal.h])
pty.h utmp.h pwd.h inttypes.h signal.h])
AC_HEADER_TIME
@ -1636,7 +1602,7 @@ if test "$have_libgcrypt" = "no"; then
***
*** You need libgcrypt to build this program.
** This library is for example available at
*** ftp://ftp.gnupg.org/gcrypt/libgcrypt/
*** ftp://ftp.gnupg.org/gcrypt/alpha/libgcrypt/
*** (at least version $NEED_LIBGCRYPT_VERSION using API $NEED_LIBGCRYPT_API is required.)
***]])
fi