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mtd: fix build on riscv

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Define _REENTRANT otherwise pthread detection will fail

Fixes:
 - http://autobuild.buildroot.org/results/b0e7978a997a2aae383161455b5d898b8c28e2e1

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Fabrice Fontaine 2018-11-20 19:52:37 +01:00 committed by Thomas Petazzoni
parent e00369fa84
commit 9ea1179eb5
1 changed files with 7 additions and 0 deletions
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7
package/mtd/mtd.mk
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@ -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