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authorBrian Behlendorf <[email protected]>2011-06-14 11:02:13 -0700
committerBrian Behlendorf <[email protected]>2011-06-14 14:43:22 -0700
commit8a7e1ceefa430988c8f888ca708ab307333b4464 (patch)
tree5368cde4746cbc6886ec599ace454cc9fa0a073a /lib/libspl
parent10715a018760e1d862b8348e31dc505e832a0904 (diff)
Check for -Wno-unused-but-set-variable gcc support
Gcc versions 4.3.2 and earlier do not support the compiler flag -Wno-unused-but-set-variable. This can lead to build failures on older Linux platforms such as Debian Lenny. Since this is an optional build argument this changes add a new autoconf check for the option. If it is supported by the installed version of gcc then it is used otherwise it is omited. See commit's 12c1acde76683108441827ae9affba1872f3afe5 and 79713039a2b6e0ed223d141b4a8a8455f282d2f2 for the reason the -Wno-unused-but-set-variable options was originally added.
Diffstat (limited to 'lib/libspl')
-rw-r--r--lib/libspl/Makefile.in4
-rw-r--r--lib/libspl/asm-generic/Makefile.in4
-rw-r--r--lib/libspl/asm-i386/Makefile.in2
-rw-r--r--lib/libspl/asm-x86_64/Makefile.in2
-rw-r--r--lib/libspl/include/Makefile.in2
-rw-r--r--lib/libspl/include/ia32/Makefile.in2
-rw-r--r--lib/libspl/include/ia32/sys/Makefile.in2
-rw-r--r--lib/libspl/include/rpc/Makefile.in2
-rw-r--r--lib/libspl/include/sys/Makefile.in2
-rw-r--r--lib/libspl/include/sys/dktp/Makefile.in2
-rw-r--r--lib/libspl/include/sys/sysevent/Makefile.in2
-rw-r--r--lib/libspl/include/util/Makefile.in2
12 files changed, 26 insertions, 2 deletions
diff --git a/lib/libspl/Makefile.in b/lib/libspl/Makefile.in
index 631638962..4c9767d0b 100644
--- a/lib/libspl/Makefile.in
+++ b/lib/libspl/Makefile.in
@@ -72,6 +72,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-ioctl.m4 \
$(top_srcdir)/config/user-libblkid.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
+ $(top_srcdir)/config/user-no-unused-but-set-variable.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
@@ -264,6 +265,7 @@ MAKEINFO = @MAKEINFO@
MKDIR_P = @MKDIR_P@
NM = @NM@
NMEDIT = @NMEDIT@
+NO_UNUSED_BUT_SET_VARIABLE = @NO_UNUSED_BUT_SET_VARIABLE@
OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@
OTOOL = @OTOOL@
@@ -363,7 +365,7 @@ DEFAULT_INCLUDES = -include ${top_builddir}/zfs_config.h \
-I$(top_srcdir)/lib/libspl/include
AM_LIBTOOLFLAGS = --silent
AM_CFLAGS = -Wall -Wstrict-prototypes -fno-strict-aliasing \
- -Wno-unused-but-set-variable ${DEBUG_CFLAGS} -D_GNU_SOURCE \
+ ${NO_UNUSED_BUT_SET_VARIABLE} ${DEBUG_CFLAGS} -D_GNU_SOURCE \
-D__EXTENSIONS__ -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS \
-D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE \
-DTEXT_DOMAIN=\"zfs-linux-user\" $(DEBUG_STACKFLAGS) \
diff --git a/lib/libspl/asm-generic/Makefile.in b/lib/libspl/asm-generic/Makefile.in
index 60f5f4b48..1de95138a 100644
--- a/lib/libspl/asm-generic/Makefile.in
+++ b/lib/libspl/asm-generic/Makefile.in
@@ -71,6 +71,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-ioctl.m4 \
$(top_srcdir)/config/user-libblkid.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
+ $(top_srcdir)/config/user-no-unused-but-set-variable.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
@@ -162,6 +163,7 @@ MAKEINFO = @MAKEINFO@
MKDIR_P = @MKDIR_P@
NM = @NM@
NMEDIT = @NMEDIT@
+NO_UNUSED_BUT_SET_VARIABLE = @NO_UNUSED_BUT_SET_VARIABLE@
OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@
OTOOL = @OTOOL@
@@ -261,7 +263,7 @@ DEFAULT_INCLUDES = -include ${top_builddir}/zfs_config.h \
-I$(top_srcdir)/lib/libspl/include
AM_LIBTOOLFLAGS = --silent
AM_CFLAGS = -Wall -Wstrict-prototypes -fno-strict-aliasing \
- -Wno-unused-but-set-variable ${DEBUG_CFLAGS} -D_GNU_SOURCE \
+ ${NO_UNUSED_BUT_SET_VARIABLE} ${DEBUG_CFLAGS} -D_GNU_SOURCE \
-D__EXTENSIONS__ -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS \
-D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE \
-DTEXT_DOMAIN=\"zfs-linux-user\"
diff --git a/lib/libspl/asm-i386/Makefile.in b/lib/libspl/asm-i386/Makefile.in
index c063f0910..60f83d44a 100644
--- a/lib/libspl/asm-i386/Makefile.in
+++ b/lib/libspl/asm-i386/Makefile.in
@@ -72,6 +72,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-ioctl.m4 \
$(top_srcdir)/config/user-libblkid.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
+ $(top_srcdir)/config/user-no-unused-but-set-variable.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
@@ -166,6 +167,7 @@ MAKEINFO = @MAKEINFO@
MKDIR_P = @MKDIR_P@
NM = @NM@
NMEDIT = @NMEDIT@
+NO_UNUSED_BUT_SET_VARIABLE = @NO_UNUSED_BUT_SET_VARIABLE@
OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@
OTOOL = @OTOOL@
diff --git a/lib/libspl/asm-x86_64/Makefile.in b/lib/libspl/asm-x86_64/Makefile.in
index e6cb98290..223bbd791 100644
--- a/lib/libspl/asm-x86_64/Makefile.in
+++ b/lib/libspl/asm-x86_64/Makefile.in
@@ -72,6 +72,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-ioctl.m4 \
$(top_srcdir)/config/user-libblkid.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
+ $(top_srcdir)/config/user-no-unused-but-set-variable.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
@@ -166,6 +167,7 @@ MAKEINFO = @MAKEINFO@
MKDIR_P = @MKDIR_P@
NM = @NM@
NMEDIT = @NMEDIT@
+NO_UNUSED_BUT_SET_VARIABLE = @NO_UNUSED_BUT_SET_VARIABLE@
OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@
OTOOL = @OTOOL@
diff --git a/lib/libspl/include/Makefile.in b/lib/libspl/include/Makefile.in
index 1f3c99b91..04892246c 100644
--- a/lib/libspl/include/Makefile.in
+++ b/lib/libspl/include/Makefile.in
@@ -72,6 +72,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-ioctl.m4 \
$(top_srcdir)/config/user-libblkid.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
+ $(top_srcdir)/config/user-no-unused-but-set-variable.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
@@ -226,6 +227,7 @@ MAKEINFO = @MAKEINFO@
MKDIR_P = @MKDIR_P@
NM = @NM@
NMEDIT = @NMEDIT@
+NO_UNUSED_BUT_SET_VARIABLE = @NO_UNUSED_BUT_SET_VARIABLE@
OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@
OTOOL = @OTOOL@
diff --git a/lib/libspl/include/ia32/Makefile.in b/lib/libspl/include/ia32/Makefile.in
index c46466150..08b86be00 100644
--- a/lib/libspl/include/ia32/Makefile.in
+++ b/lib/libspl/include/ia32/Makefile.in
@@ -70,6 +70,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-ioctl.m4 \
$(top_srcdir)/config/user-libblkid.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
+ $(top_srcdir)/config/user-no-unused-but-set-variable.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
@@ -201,6 +202,7 @@ MAKEINFO = @MAKEINFO@
MKDIR_P = @MKDIR_P@
NM = @NM@
NMEDIT = @NMEDIT@
+NO_UNUSED_BUT_SET_VARIABLE = @NO_UNUSED_BUT_SET_VARIABLE@
OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@
OTOOL = @OTOOL@
diff --git a/lib/libspl/include/ia32/sys/Makefile.in b/lib/libspl/include/ia32/sys/Makefile.in
index c8ec864f8..58a7d89d3 100644
--- a/lib/libspl/include/ia32/sys/Makefile.in
+++ b/lib/libspl/include/ia32/sys/Makefile.in
@@ -72,6 +72,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-ioctl.m4 \
$(top_srcdir)/config/user-libblkid.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
+ $(top_srcdir)/config/user-no-unused-but-set-variable.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
@@ -188,6 +189,7 @@ MAKEINFO = @MAKEINFO@
MKDIR_P = @MKDIR_P@
NM = @NM@
NMEDIT = @NMEDIT@
+NO_UNUSED_BUT_SET_VARIABLE = @NO_UNUSED_BUT_SET_VARIABLE@
OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@
OTOOL = @OTOOL@
diff --git a/lib/libspl/include/rpc/Makefile.in b/lib/libspl/include/rpc/Makefile.in
index 9ceb73f50..437898264 100644
--- a/lib/libspl/include/rpc/Makefile.in
+++ b/lib/libspl/include/rpc/Makefile.in
@@ -72,6 +72,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-ioctl.m4 \
$(top_srcdir)/config/user-libblkid.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
+ $(top_srcdir)/config/user-no-unused-but-set-variable.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
@@ -188,6 +189,7 @@ MAKEINFO = @MAKEINFO@
MKDIR_P = @MKDIR_P@
NM = @NM@
NMEDIT = @NMEDIT@
+NO_UNUSED_BUT_SET_VARIABLE = @NO_UNUSED_BUT_SET_VARIABLE@
OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@
OTOOL = @OTOOL@
diff --git a/lib/libspl/include/sys/Makefile.in b/lib/libspl/include/sys/Makefile.in
index a65b9374e..eff3720c8 100644
--- a/lib/libspl/include/sys/Makefile.in
+++ b/lib/libspl/include/sys/Makefile.in
@@ -72,6 +72,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-ioctl.m4 \
$(top_srcdir)/config/user-libblkid.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
+ $(top_srcdir)/config/user-no-unused-but-set-variable.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
@@ -226,6 +227,7 @@ MAKEINFO = @MAKEINFO@
MKDIR_P = @MKDIR_P@
NM = @NM@
NMEDIT = @NMEDIT@
+NO_UNUSED_BUT_SET_VARIABLE = @NO_UNUSED_BUT_SET_VARIABLE@
OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@
OTOOL = @OTOOL@
diff --git a/lib/libspl/include/sys/dktp/Makefile.in b/lib/libspl/include/sys/dktp/Makefile.in
index c90dbff5b..ceab063ab 100644
--- a/lib/libspl/include/sys/dktp/Makefile.in
+++ b/lib/libspl/include/sys/dktp/Makefile.in
@@ -72,6 +72,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-ioctl.m4 \
$(top_srcdir)/config/user-libblkid.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
+ $(top_srcdir)/config/user-no-unused-but-set-variable.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
@@ -188,6 +189,7 @@ MAKEINFO = @MAKEINFO@
MKDIR_P = @MKDIR_P@
NM = @NM@
NMEDIT = @NMEDIT@
+NO_UNUSED_BUT_SET_VARIABLE = @NO_UNUSED_BUT_SET_VARIABLE@
OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@
OTOOL = @OTOOL@
diff --git a/lib/libspl/include/sys/sysevent/Makefile.in b/lib/libspl/include/sys/sysevent/Makefile.in
index e176934ad..10e7c1fbb 100644
--- a/lib/libspl/include/sys/sysevent/Makefile.in
+++ b/lib/libspl/include/sys/sysevent/Makefile.in
@@ -72,6 +72,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-ioctl.m4 \
$(top_srcdir)/config/user-libblkid.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
+ $(top_srcdir)/config/user-no-unused-but-set-variable.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
@@ -188,6 +189,7 @@ MAKEINFO = @MAKEINFO@
MKDIR_P = @MKDIR_P@
NM = @NM@
NMEDIT = @NMEDIT@
+NO_UNUSED_BUT_SET_VARIABLE = @NO_UNUSED_BUT_SET_VARIABLE@
OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@
OTOOL = @OTOOL@
diff --git a/lib/libspl/include/util/Makefile.in b/lib/libspl/include/util/Makefile.in
index 16db23b47..274d90c80 100644
--- a/lib/libspl/include/util/Makefile.in
+++ b/lib/libspl/include/util/Makefile.in
@@ -72,6 +72,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-ioctl.m4 \
$(top_srcdir)/config/user-libblkid.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
+ $(top_srcdir)/config/user-no-unused-but-set-variable.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
@@ -188,6 +189,7 @@ MAKEINFO = @MAKEINFO@
MKDIR_P = @MKDIR_P@
NM = @NM@
NMEDIT = @NMEDIT@
+NO_UNUSED_BUT_SET_VARIABLE = @NO_UNUSED_BUT_SET_VARIABLE@
OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@
OTOOL = @OTOOL@
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