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Enable -Wmissing-prototypes/-Wstrict-prototypes
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Switch on warning flags to detect mismatch between declaration and
definition.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Closes #10470
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@nivedita76 @lundman
nivedita76 authored and lundman committed Jun 19, 2020
1 parent 0fce93e commit 89a995e
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Showing 3 changed files with 18 additions and 52 deletions.
3 changes: 2 additions & 1 deletion config/Rules.am
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,8 @@ endif

AM_LIBTOOLFLAGS = --silent

AM_CFLAGS = -std=gnu99 -Wall -Wstrict-prototypes -fno-strict-aliasing
AM_CFLAGS = -std=gnu99 -Wall -Wstrict-prototypes -Wmissing-prototypes
AM_CFLAGS += -fno-strict-aliasing
AM_CFLAGS += $(NO_OMIT_FRAME_POINTER)
AM_CFLAGS += $(DEBUG_CFLAGS)
AM_CFLAGS += $(ASAN_CFLAGS)
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1 change: 1 addition & 0 deletions module/Kbuild.in
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Expand Up @@ -16,6 +16,7 @@ ifneq ($(KERNELRELEASE),)
obj-$(CONFIG_ZFS) := $(ZFS_MODULES)

ZFS_MODULE_CFLAGS += -std=gnu99 -Wno-declaration-after-statement
ZFS_MODULE_CFLAGS += -Wmissing-prototypes
ZFS_MODULE_CFLAGS += @KERNEL_DEBUG_CFLAGS@ @NO_FORMAT_ZERO_LENGTH@

ifneq ($(KBUILD_EXTMOD),)
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66 changes: 15 additions & 51 deletions module/Makefile.bsd
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Expand Up @@ -303,80 +303,44 @@ beforeinstall:
CFLAGS.gcc+= -Wno-pointer-to-int-cast

CFLAGS.lapi.c= -Wno-cast-qual
CFLAGS.lcompat.c= -Wno-cast-qual -Wno-missing-prototypes
CFLAGS.lcompat.c= -Wno-cast-qual
CFLAGS.lobject.c= -Wno-cast-qual
CFLAGS.ltable.c= -Wno-cast-qual
CFLAGS.lvm.c= -Wno-cast-qual
CFLAGS.nvpair.c= -Wno-cast-qual
CFLAGS.acl_common.c= -Wno-strict-prototypes -Wno-missing-prototypes
CFLAGS.callb.c= -Wno-strict-prototypes -Wno-missing-prototypes
CFLAGS.spl_kstat.c= -Wno-missing-prototypes
CFLAGS.spl_string.c= -Wno-cast-qual
CFLAGS.spl_vm.c= -Wno-cast-qual -Wno-missing-prototypes
CFLAGS.spl_vm.c= -Wno-cast-qual
CFLAGS.spl_zlib.c= -Wno-cast-qual
CFLAGS.abd.c= -Wno-cast-qual
CFLAGS.freebsd_dmu.c= -Wno-missing-prototypes
CFLAGS.freebsd_kmod.c= -Wno-missing-prototypes
CFLAGS.vdev_geom.c= -Wno-missing-prototypes
CFLAGS.zfs_acl.c= -Wno-missing-prototypes
CFLAGS.zfs_ctldir.c= -Wno-missing-prototypes -Wno-strict-prototypes
CFLAGS.zfs_log.c= -Wno-cast-qual
CFLAGS.zfs_vfsops.c= -Wno-missing-prototypes
CFLAGS.zfs_vnops.c= -Wno-missing-prototypes -Wno-strict-prototypes -Wno-pointer-arith
CFLAGS.zfs_znode.c= -Wno-missing-prototypes
CFLAGS.zvol.c= -Wno-missing-prototypes
CFLAGS.zfs_vnops.c= -Wno-pointer-arith
CFLAGS.u8_textprep.c= -Wno-cast-qual
CFLAGS.zfs_fletcher.c= -Wno-cast-qual -Wno-pointer-arith
CFLAGS.zfs_fletcher_intel.c= -Wno-cast-qual -Wno-pointer-arith
CFLAGS.zfs_fletcher_sse.c= -Wno-cast-qual -Wno-pointer-arith
CFLAGS.zfs_fletcher_avx512.c= -Wno-cast-qual -Wno-pointer-arith
CFLAGS.zprop_common.c= -Wno-cast-qual
CFLAGS.arc.c= -Wno-missing-prototypes
CFLAGS.blkptr.c= -Wno-missing-prototypes
CFLAGS.dbuf.c= -Wno-missing-prototypes
CFLAGS.dbuf_stats.c= -Wno-missing-prototypes
CFLAGS.ddt.c= -Wno-missing-prototypes -Wno-cast-qual
CFLAGS.dmu.c= -Wno-missing-prototypes -Wno-cast-qual
CFLAGS.dmu_object.c= -Wno-missing-prototypes
CFLAGS.dmu_objset.c= -Wno-missing-prototypes
CFLAGS.ddt.c= -Wno-cast-qual
CFLAGS.dmu.c= -Wno-cast-qual
CFLAGS.dmu_traverse.c= -Wno-cast-qual
CFLAGS.dsl_dir.c= -Wno-missing-prototypes -Wno-cast-qual
CFLAGS.dsl_crypt.c= -Wno-missing-prototypes
CFLAGS.dsl_dir.c= -Wno-cast-qual
CFLAGS.dsl_deadlist.c= -Wno-cast-qual
CFLAGS.dsl_pool.c= -Wno-missing-prototypes
CFLAGS.dsl_prop.c= -Wno-cast-qual
CFLAGS.dsl_scan.c= -Wno-missing-prototypes
CFLAGS.fm.c= -Wno-cast-qual
CFLAGS.gzip.c= -Wno-missing-prototypes
CFLAGS.lzjb.c= -Wno-missing-prototypes
CFLAGS.lz4.c= -Wno-missing-prototypes -Wno-cast-qual
CFLAGS.metaslab.c= -Wno-missing-prototypes
CFLAGS.sa.c= -Wno-missing-prototypes
CFLAGS.sha256.c= -Wno-missing-prototypes
CFLAGS.skein_zfs.c= -Wno-missing-prototypes
CFLAGS.spa.c= -Wno-missing-prototypes -Wno-cast-qual
CFLAGS.spa_boot.c= -Wno-missing-prototypes
CFLAGS.spa_misc.c= -Wno-missing-prototypes -Wno-cast-qual
CFLAGS.space_map.c= -Wno-missing-prototypes
CFLAGS.vdev.c= -Wno-missing-prototypes
CFLAGS.vdev_indirect.c= -Wno-missing-prototypes
CFLAGS.vdev_label.c= -Wno-missing-prototypes
CFLAGS.vdev_queue.c= -Wno-missing-prototypes
CFLAGS.lz4.c= -Wno-cast-qual
CFLAGS.spa.c= -Wno-cast-qual
CFLAGS.spa_misc.c= -Wno-cast-qual
CFLAGS.vdev_raidz.c= -Wno-cast-qual
CFLAGS.vdev_raidz_math.c= -Wno-cast-qual
CFLAGS.vdev_raidz_math_scalar.c= -Wno-cast-qual -Wno-missing-prototypes
CFLAGS.vdev_raidz_math_scalar.c= -Wno-cast-qual
CFLAGS.vdev_raidz_math_avx2.c= -Wno-cast-qual -Wno-duplicate-decl-specifier
CFLAGS.vdev_raidz_math_avx512f.c= -Wno-cast-qual -Wno-duplicate-decl-specifier
CFLAGS.vdev_raidz_math_sse2.c= -Wno-cast-qual -Wno-duplicate-decl-specifier
CFLAGS.zap_leaf.c= -Wno-cast-qual
CFLAGS.zap_micro.c= -Wno-missing-prototypes -Wno-cast-qual
CFLAGS.zap_micro.c= -Wno-cast-qual
CFLAGS.zcp.c= -Wno-cast-qual
CFLAGS.zcp_get.c= -Wno-missing-prototypes
CFLAGS.zfs_debug.c= -Wno-missing-prototypes
CFLAGS.zfs_fm.c= -Wno-cast-qual
CFLAGS.zfs_ioctl.c= -Wno-missing-prototypes -Wno-cast-qual
CFLAGS.zil.c= -Wno-missing-prototypes -Wno-cast-qual
CFLAGS.zio.c= -Wno-missing-prototypes -Wno-cast-qual
CFLAGS.zio_checksum.c= -Wno-missing-prototypes
CFLAGS.zle.c= -Wno-missing-prototypes
CFLAGS.zrlock.c= -Wno-missing-prototypes -Wno-cast-qual
CFLAGS.zfs_ioctl.c= -Wno-cast-qual
CFLAGS.zil.c= -Wno-cast-qual
CFLAGS.zio.c= -Wno-cast-qual
CFLAGS.zrlock.c= -Wno-cast-qual

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