From c9172193ea975415facf0afb356d87df21535f88 Mon Sep 17 00:00:00 2001
From: Darren Tucker <dtucker@dtucker.net>
Date: Wed, 29 Sep 2021 18:33:38 +1000
Subject: Remove TEST_SSH_ECC.

Convert the only remaining user of it to runtime detection using ssh -Q.
---
 Makefile.in      | 1 -
 configure.ac     | 6 ------
 regress/Makefile | 6 +++---
 3 files changed, 3 insertions(+), 10 deletions(-)

diff --git a/Makefile.in b/Makefile.in
index 24e11de0..c015a487 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -748,7 +748,6 @@ interop-tests t-exec file-tests: regress-prep regress-binaries $(TARGETS)
 		TEST_SSH_CONCH="conch" \
 		TEST_SSH_IPV6="@TEST_SSH_IPV6@" \
 		TEST_SSH_UTF8="@TEST_SSH_UTF8@" \
-		TEST_SSH_ECC="@TEST_SSH_ECC@" \
 		TEST_SHELL="$(TEST_SHELL)" \
 		EXEEXT="$(EXEEXT)" \
 		$@ && echo all $@ passed
diff --git a/configure.ac b/configure.ac
index 821a75ba..f5fad647 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3105,8 +3105,6 @@ if test "x$openssl" = "xyes" ; then
 		AC_MSG_RESULT([no])
 	)
 
-	TEST_SSH_ECC=no
-
 	if test x$enable_nistp256 = x1 || test x$enable_nistp384 = x1 || \
 	    test x$enable_nistp521 = x1; then
 		AC_DEFINE(OPENSSL_HAS_ECC, [1], [OpenSSL has ECC])
@@ -3118,7 +3116,6 @@ if test "x$openssl" = "xyes" ; then
 	if test x$enable_nistp256 = x1; then
 		AC_DEFINE([OPENSSL_HAS_NISTP256], [1],
 		    [libcrypto has NID_X9_62_prime256v1])
-		TEST_SSH_ECC=yes
 	else
 		unsupported_algorithms="$unsupported_algorithms \
 			ecdsa-sha2-nistp256 \
@@ -3127,7 +3124,6 @@ if test "x$openssl" = "xyes" ; then
 	fi
 	if test x$enable_nistp384 = x1; then
 		AC_DEFINE([OPENSSL_HAS_NISTP384], [1], [libcrypto has NID_secp384r1])
-		TEST_SSH_ECC=yes
 	else
 		unsupported_algorithms="$unsupported_algorithms \
 			ecdsa-sha2-nistp384 \
@@ -3136,7 +3132,6 @@ if test "x$openssl" = "xyes" ; then
 	fi
 	if test x$enable_nistp521 = x1; then
 		AC_DEFINE([OPENSSL_HAS_NISTP521], [1], [libcrypto has NID_secp521r1])
-		TEST_SSH_ECC=yes
 	else
 		unsupported_algorithms="$unsupported_algorithms \
 			ecdh-sha2-nistp521 \
@@ -3144,7 +3139,6 @@ if test "x$openssl" = "xyes" ; then
 			ecdsa-sha2-nistp521-cert-v01@openssh.com"
 	fi
 
-	AC_SUBST([TEST_SSH_ECC])
 else
 	AC_CHECK_LIB([crypt], [crypt], [LIBS="$LIBS -lcrypt"])
 	AC_CHECK_FUNCS([crypt])
diff --git a/regress/Makefile b/regress/Makefile
index 0b5ad45d..d5481e44 100644
--- a/regress/Makefile
+++ b/regress/Makefile
@@ -188,13 +188,13 @@ t8: $(OBJ)/t8.out
 	${TEST_SSH_SSHKEYGEN} -Bf $(OBJ)/t8.out > /dev/null
 
 $(OBJ)/t9.out:
-	test "${TEST_SSH_ECC}" != yes || \
+	! ${TEST_SSH_SSH} -Q key-plain | grep ecdsa >/dev/null || \
 	${TEST_SSH_SSHKEYGEN} -q -t ecdsa -N '' -f $@
 
 t9: $(OBJ)/t9.out
-	test "${TEST_SSH_ECC}" != yes || \
+	! ${TEST_SSH_SSH} -Q key-plain | grep ecdsa >/dev/null || \
 	${TEST_SSH_SSHKEYGEN} -lf $(OBJ)/t9.out > /dev/null
-	test "${TEST_SSH_ECC}" != yes || \
+	! ${TEST_SSH_SSH} -Q key-plain | grep ecdsa >/dev/null || \
 	${TEST_SSH_SSHKEYGEN} -Bf $(OBJ)/t9.out > /dev/null
 
 
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