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Diffstat (limited to 'src/secp256k1/build-aux/m4/bitcoin_secp.m4')
-rw-r--r--src/secp256k1/build-aux/m4/bitcoin_secp.m43
1 files changed, 3 insertions, 0 deletions
diff --git a/src/secp256k1/build-aux/m4/bitcoin_secp.m4 b/src/secp256k1/build-aux/m4/bitcoin_secp.m4
index 3b3975cbdd..1b2b71e6ab 100644
--- a/src/secp256k1/build-aux/m4/bitcoin_secp.m4
+++ b/src/secp256k1/build-aux/m4/bitcoin_secp.m4
@@ -38,6 +38,8 @@ AC_DEFUN([SECP_OPENSSL_CHECK],[
fi
if test x"$has_libcrypto" = x"yes" && test x"$has_openssl_ec" = x; then
AC_MSG_CHECKING(for EC functions in libcrypto)
+ CPPFLAGS_TEMP="$CPPFLAGS"
+ CPPFLAGS="$CRYPTO_CPPFLAGS $CPPFLAGS"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <openssl/ec.h>
#include <openssl/ecdsa.h>
@@ -51,6 +53,7 @@ if test x"$has_libcrypto" = x"yes" && test x"$has_openssl_ec" = x; then
ECDSA_SIG_free(sig_openssl);
]])],[has_openssl_ec=yes],[has_openssl_ec=no])
AC_MSG_RESULT([$has_openssl_ec])
+ CPPFLAGS="$CPPFLAGS_TEMP"
fi
])