Allow use of Nettle as an alternative to gcrypt

[yaz-moved-to-github.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 365422c..7bcbdfd 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -61,11 +61,40 @@ if test "$checkBoth" = "1"; then
     AC_CHECK_FUNC([accept], , [LIBS=$oldLibs])
 fi
 AC_CHECK_FUNC([gethostbyname], ,[AC_CHECK_LIB(nsl, main, [LIBS="$LIBS -lnsl"])])
     AC_CHECK_FUNC([accept], , [LIBS=$oldLibs])
 fi
 AC_CHECK_FUNC([gethostbyname], ,[AC_CHECK_LIB(nsl, main, [LIBS="$LIBS -lnsl"])])

+dnl
+dnl ------ nettle
+nettle=default
+AC_SUBST([NETTLE_LIBS])
+AC_ARG_WITH([nettle], [  --with-nettle           Nettle library], [nettle=$withval])
+if test "$nettle" != "no"; then
+    AC_MSG_CHECKING([for nettle])
+    if $pkgconfigpath --cflags nettle >/dev/null 2>&1 ; then
+       if $pkgconfigpath --atleast-version 2.0 nettle; then
+           AC_MSG_RESULT([yes])
+            CFLAGS="$CFLAGS `$pkgconfigpath --cflags nettle`"
+            NETTLE_LIBS="`$pkgconfigpath --libs nettle`"
+           libgcryptversion=2enable
+           AC_DEFINE([HAVE_NETTLE],[1],[Define to 1 if nettle is enabled])
+        else
+           AC_MSG_RESULT([no. Version 2.0 required])
+            if test "$nettle" != "default"; then
+               AC_MSG_ERROR([nettle libraries missing])
+            fi
+        fi
+    else
+       AC_MSG_RESULT([no])
+        if test "$nettle" != "default"; then
+           AC_MSG_ERROR([nettle libraries missing])
+       fi
+    fi
+fi
+dnl
+dnl

 dnl ------ libgcrypt
 AC_SUBST([GCRYPT_LIBS])
 libgcryptpath=NONE
 AC_ARG_WITH(libgcrypt, [  --with-libgcrypt=DIR    use libgcrypt-config in DIR],[libgcryptpath=$withval])
 dnl ------ libgcrypt
 AC_SUBST([GCRYPT_LIBS])
 libgcryptpath=NONE
 AC_ARG_WITH(libgcrypt, [  --with-libgcrypt=DIR    use libgcrypt-config in DIR],[libgcryptpath=$withval])

-if test "$libgcryptpath" != "no"; then
+if test "$libgcryptpath" != "no" -a -z "$libgcryptversion"; then

     if test "$libgcryptpath" = "NONE"; then
        AC_PATH_PROG([libgcrypt],[libgcrypt-config],[NONE])
     elif test -x $libgcryptpath/libgcrypt-config; then
     if test "$libgcryptpath" = "NONE"; then
        AC_PATH_PROG([libgcrypt],[libgcrypt-config],[NONE])
     elif test -x $libgcryptpath/libgcrypt-config; then

@@ -150,6 +179,9 @@ if test "$memcached" != "no" -a -n "$libgcryptversion" -a "$pkgconfigpath" != "N
        fi
     fi
 fi
        fi
     fi
 fi

+dnl
+dnl
+dnl

 dnl ------ GNU TLS
 AC_SUBST([SSL_CFLAGS])
 AC_SUBST([SSL_LIBS])
 dnl ------ GNU TLS
 AC_SUBST([SSL_CFLAGS])
 AC_SUBST([SSL_LIBS])