From 9ea1179eb5eece404a17cf5d313b05f303ae18e2 Mon Sep 17 00:00:00 2001 From: Fabrice Fontaine Date: Tue, 20 Nov 2018 19:52:37 +0100 Subject: [PATCH] mtd: fix build on riscv Define _REENTRANT otherwise pthread detection will fail Fixes: - http://autobuild.buildroot.org/results/b0e7978a997a2aae383161455b5d898b8c28e2e1 Signed-off-by: Fabrice Fontaine Signed-off-by: Thomas Petazzoni --- package/mtd/mtd.mk | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/package/mtd/mtd.mk b/package/mtd/mtd.mk index 13e501fc33..2d627ffa3d 100644 --- a/package/mtd/mtd.mk +++ b/package/mtd/mtd.mk @@ -11,6 +11,13 @@ MTD_LICENSE = GPL-2.0 MTD_LICENSE_FILES = COPYING MTD_INSTALL_STAGING = YES +# gcc on riscv doesn't define _REENTRANT when -pthread is passed while +# it should. Compensate this deficiency here otherwise mtd configure +# script doesn't find that thread support is enabled. +ifeq ($(BR2_TOOLCHAIN_HAS_THREADS):$(BR2_riscv),y:y) +MTD_CONF_ENV += CFLAGS="$(TARGET_CFLAGS) -D_REENTRANT" +endif + ifeq ($(BR2_PACKAGE_MTD_JFFS_UTILS),y) MTD_DEPENDENCIES += zlib lzo host-pkgconf MTD_CONF_OPTS += --with-jffs