From: Michael Wallner <mike@php.net>
Date: Mon, 4 Jan 2016 20:57:03 +0000 (+0100)
Subject: workaround for old libffi
X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=commitdiff_plain;h=ad859923be758c210e2ad4226eb8e3b09bcf91eb

workaround for old libffi
---

diff --git a/m4/psi.m4 b/m4/psi.m4
index 4f09851..eecfa61 100644
--- a/m4/psi.m4
+++ b/m4/psi.m4
@@ -130,6 +130,10 @@ AC_DEFUN(PSI_CHECK_LIBFFI, [
 		], [
 		], -L$psi_cv_libffi_dir/$PHP_LIBDIR)
 	], -L$psi_cv_libffi_dir/$PHP_LIBDIR)
+	PHP_CHECK_LIBRARY(ffi, ffi_prep_cif_var, [
+		AC_DEFINE(PSI_HAVE_FFI_PREP_CIF_VAR, 1, [ ])
+	], [
+	], -L$psi_cv_libffi_dir/$PHP_LIBDIR)
 ])
 
 dnl PSI_COMPUTE_STR(variable, string or expression)
diff --git a/src/libffi.c b/src/libffi.c
index f776fb7..8d41b7a 100644
--- a/src/libffi.c
+++ b/src/libffi.c
@@ -283,10 +283,15 @@ static void psi_ffi_call(PSI_Context *C, decl_callinfo *decl_call, impl_vararg *
 			params[nfixedargs + i] = psi_ffi_impl_type(va->types[i]);
 			params[nfixedargs + i + ntotalargs + 1] = &va->values[i];
 		}
-
+#ifdef PSI_HAVE_FFI_PREP_CIF_VAR
 		rc = ffi_prep_cif_var(&signature, call->signature.abi,
 				nfixedargs, ntotalargs,
 				call->signature.rtype, (ffi_type **) params);
+#else
+		/* FIXME: test in config.m4; assume we can just call anyway */
+		rc = ffi_prep_cif(&signature, call->signature.abi, ntotalargs,
+				call->signature.rtype, (ffi_type **) params);
+#endif
 		ZEND_ASSERT(FFI_OK == rc);
 		ffi_call(&signature, FFI_FN(decl_call->sym), decl_call->rval, &params[ntotalargs + 1]);
 		free(params);