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eal/linux: fix build functions pread and pwrite

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Function pread need macro _XOPEN_SOURCE be defined.
Add _GNU_SOURCE will fix this issue.

error: implicit declaration of function ‘pread’

Fixes: 4a499c649590 ("eal/linux: enable uio_pci_generic support")

Signed-off-by: Marvin Liu <yong.liu@intel.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
This commit is contained in:
Marvin Liu 2015-03-19 11:16:58 +08:00 committed by Thomas Monjalon
parent 6ae9bee6c6
commit 89085f13e6
1 changed files with 2 additions and 0 deletions
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2
lib/librte_eal/linuxapp/eal/Makefile
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@ -92,12 +92,14 @@ SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_options.c
SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_thread.c
CFLAGS_eal.o := -D_GNU_SOURCE
CFLAGS_eal_interrupts.o := -D_GNU_SOURCE
CFLAGS_eal_lcore.o := -D_GNU_SOURCE
CFLAGS_eal_thread.o := -D_GNU_SOURCE
CFLAGS_eal_log.o := -D_GNU_SOURCE
CFLAGS_eal_common_log.o := -D_GNU_SOURCE
CFLAGS_eal_hugepage_info.o := -D_GNU_SOURCE
CFLAGS_eal_pci.o := -D_GNU_SOURCE
CFLAGS_eal_pci_uio.o := -D_GNU_SOURCE
CFLAGS_eal_pci_vfio.o := -D_GNU_SOURCE
CFLAGS_eal_common_whitelist.o := -D_GNU_SOURCE
CFLAGS_eal_common_options.o := -D_GNU_SOURCE