rtmpdh: Use GMP functions directly, instead of nettle wrappers

mpz_import and mpz_export were added in GMP 4.1, in 2002.

This simplifies the DH code by clarifying that it only uses pure
bignum functions, no other parts of nettle/hogweed.

Signed-off-by: Martin Storsjö <martin@martin.st>

1 files changed, 3 insertions, 3 deletions

diff --git a/configure b/configure
index c1e516c7cd..904c97a0f6 100755
--- a/configure
+++ b/configure
@@ -1590,6 +1590,7 @@ CONFIG_EXTRA="
     fdctdsp
     fmtconvert
     gcrypt
+    gmp
     golomb
     gplv3
     h263dsp
@@ -1614,7 +1615,6 @@ CONFIG_EXTRA="
     mpegaudiodsp
     mpegvideo
     mpegvideoenc
-    nettle
     pixblockdsp
     qpeldsp
     qsv
@@ -2184,7 +2184,7 @@ x11grab_xcb_indev_deps="libxcb"
 
 # protocols
 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
-ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
+ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
 ffrtmpcrypt_protocol_select="tcp_protocol"
 ffrtmphttp_protocol_deps="!librtmp_protocol"
 ffrtmphttp_protocol_select="http_protocol"
@@ -4336,7 +4336,7 @@ enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -l
                                die "ERROR: openssl not found"; }
 
 if enabled gnutls; then
-    { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
+    { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||
     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
 fi