restore accidentally deleted check

configure

@@ -9370,6 +9370,51 @@ _ACEOF
 
 fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ZSTD_compress in -lzstd" >&5
+$as_echo_n "checking for ZSTD_compress in -lzstd... " >&6; }
+if ${ac_cv_lib_zstd_ZSTD_compress+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lzstd $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char ZSTD_compress ();
+int
+main ()
+{
+return ZSTD_compress ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_zstd_ZSTD_compress=yes
+else
+ ac_cv_lib_zstd_ZSTD_compress=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_zstd_ZSTD_compress" >&5
+$as_echo "$ac_cv_lib_zstd_ZSTD_compress" >&6; }
+if test "x$ac_cv_lib_zstd_ZSTD_compress" = xyes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBZSTD 1
+_ACEOF
+
+ LIBS="-lzstd $LIBS"
+
+fi
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dyn_string_append in -liberty" >&5
 $as_echo_n "checking for dyn_string_append in -liberty... " >&6; }
 if ${ac_cv_lib_iberty_dyn_string_append+:} false; then :

configure.ac

@@ -2451,6 +2451,7 @@ fi
 
 AC_CHECK_HEADERS(bfd.h)
 AC_CHECK_LIB(intl, libintl_fprintf)
+AC_CHECK_LIB(zstd, ZSTD_compress)
 AC_CHECK_LIB(iberty, dyn_string_append)
 AC_CHECK_LIB(z, gzseek)
 AC_CHECK_LIB(sframe, sframe_decode)