On Fri, Jun 29, 2012 at 6:02 AM, Pete Batard <p...@akeo.ie> wrote:
> As promised. Hopefully this will silence the warnings raised by Clang on
> OS-X.
>
> And again, if someone wants to look into silencing that -std=gnu99 one,
> you're welcome to submit a patch. I'm not planning to look into it, but that
> doesn't mean there won't be review+integration of a patch if one is
> submitted.
>
The patch reduced some warnings but there are still 3 warnings
remained. Actually the three warnings are basically the same though.
mymacmini:build xiaofanc$ ~/bin/scan-build -k -v -V make
scan-build: Emitting reports for this run to
'/var/folders/_k/njr5n6mj09924bn1rfxx3slh0000gn/T/scan-build-2012-06-30-2'.
make all-recursive
Making all in libusb
/bin/sh ../libtool --tag=CC --mode=compile
/Users/xiaofanc/bin/libexec/ccc-analyzer -DHAVE_CONFIG_H -I.
-I../../libusbx/libusb -I.. -fvisibility=hidden -std=gnu99 -Wall
-Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-core.lo -MD -MP -MF .deps/libusb_1_0_la-core.Tpo
-c -o libusb_1_0_la-core.lo `test -f 'core.c' || echo
'../../libusbx/libusb/'`core.c
libtool: compile: /Users/xiaofanc/bin/libexec/ccc-analyzer
-DHAVE_CONFIG_H -I. -I../../libusbx/libusb -I.. -fvisibility=hidden
-std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-core.lo -MD -MP -MF .deps/libusb_1_0_la-core.Tpo
-c ../../libusbx/libusb/core.c -fno-common -DPIC -o
.libs/libusb_1_0_la-core.o
libtool: compile: /Users/xiaofanc/bin/libexec/ccc-analyzer
-DHAVE_CONFIG_H -I. -I../../libusbx/libusb -I.. -fvisibility=hidden
-std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-core.lo -MD -MP -MF .deps/libusb_1_0_la-core.Tpo
-c ../../libusbx/libusb/core.c -o libusb_1_0_la-core.o >/dev/null 2>&1
mv -f .deps/libusb_1_0_la-core.Tpo .deps/libusb_1_0_la-core.Plo
/bin/sh ../libtool --tag=CC --mode=compile
/Users/xiaofanc/bin/libexec/ccc-analyzer -DHAVE_CONFIG_H -I.
-I../../libusbx/libusb -I.. -fvisibility=hidden -std=gnu99 -Wall
-Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-descriptor.lo -MD -MP -MF
.deps/libusb_1_0_la-descriptor.Tpo -c -o libusb_1_0_la-descriptor.lo
`test -f 'descriptor.c' || echo '../../libusbx/libusb/'`descriptor.c
libtool: compile: /Users/xiaofanc/bin/libexec/ccc-analyzer
-DHAVE_CONFIG_H -I. -I../../libusbx/libusb -I.. -fvisibility=hidden
-std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-descriptor.lo -MD -MP -MF
.deps/libusb_1_0_la-descriptor.Tpo -c
../../libusbx/libusb/descriptor.c -fno-common -DPIC -o
.libs/libusb_1_0_la-descriptor.o
libtool: compile: /Users/xiaofanc/bin/libexec/ccc-analyzer
-DHAVE_CONFIG_H -I. -I../../libusbx/libusb -I.. -fvisibility=hidden
-std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-descriptor.lo -MD -MP -MF
.deps/libusb_1_0_la-descriptor.Tpo -c
../../libusbx/libusb/descriptor.c -o libusb_1_0_la-descriptor.o
>/dev/null 2>&1
mv -f .deps/libusb_1_0_la-descriptor.Tpo .deps/libusb_1_0_la-descriptor.Plo
/bin/sh ../libtool --tag=CC --mode=compile
/Users/xiaofanc/bin/libexec/ccc-analyzer -DHAVE_CONFIG_H -I.
-I../../libusbx/libusb -I.. -fvisibility=hidden -std=gnu99 -Wall
-Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-io.lo -MD -MP -MF .deps/libusb_1_0_la-io.Tpo -c
-o libusb_1_0_la-io.lo `test -f 'io.c' || echo
'../../libusbx/libusb/'`io.c
libtool: compile: /Users/xiaofanc/bin/libexec/ccc-analyzer
-DHAVE_CONFIG_H -I. -I../../libusbx/libusb -I.. -fvisibility=hidden
-std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-io.lo -MD -MP -MF .deps/libusb_1_0_la-io.Tpo -c
../../libusbx/libusb/io.c -fno-common -DPIC -o
.libs/libusb_1_0_la-io.o
libtool: compile: /Users/xiaofanc/bin/libexec/ccc-analyzer
-DHAVE_CONFIG_H -I. -I../../libusbx/libusb -I.. -fvisibility=hidden
-std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-io.lo -MD -MP -MF .deps/libusb_1_0_la-io.Tpo -c
../../libusbx/libusb/io.c -o libusb_1_0_la-io.o >/dev/null 2>&1
mv -f .deps/libusb_1_0_la-io.Tpo .deps/libusb_1_0_la-io.Plo
/bin/sh ../libtool --tag=CC --mode=compile
/Users/xiaofanc/bin/libexec/ccc-analyzer -DHAVE_CONFIG_H -I.
-I../../libusbx/libusb -I.. -fvisibility=hidden -std=gnu99 -Wall
-Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-sync.lo -MD -MP -MF .deps/libusb_1_0_la-sync.Tpo
-c -o libusb_1_0_la-sync.lo `test -f 'sync.c' || echo
'../../libusbx/libusb/'`sync.c
libtool: compile: /Users/xiaofanc/bin/libexec/ccc-analyzer
-DHAVE_CONFIG_H -I. -I../../libusbx/libusb -I.. -fvisibility=hidden
-std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-sync.lo -MD -MP -MF .deps/libusb_1_0_la-sync.Tpo
-c ../../libusbx/libusb/sync.c -fno-common -DPIC -o
.libs/libusb_1_0_la-sync.o
../../libusbx/libusb/sync.c:84:28: warning: Result of 'malloc' is
converted to a pointer of type 'unsigned char', which is incompatible
with sizeof operand type 'struct libusb_control_setup'
buffer = (unsigned char*) malloc(LIBUSB_CONTROL_SETUP_SIZE + wLength);
~~~~~~~~~~~~~~ ^~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
libtool: compile: /Users/xiaofanc/bin/libexec/ccc-analyzer
-DHAVE_CONFIG_H -I. -I../../libusbx/libusb -I.. -fvisibility=hidden
-std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-sync.lo -MD -MP -MF .deps/libusb_1_0_la-sync.Tpo
-c ../../libusbx/libusb/sync.c -o libusb_1_0_la-sync.o >/dev/null 2>&1
mv -f .deps/libusb_1_0_la-sync.Tpo .deps/libusb_1_0_la-sync.Plo
/bin/sh ../libtool --tag=CC --mode=compile
/Users/xiaofanc/bin/libexec/ccc-analyzer -DHAVE_CONFIG_H -I.
-I../../libusbx/libusb -I.. -fvisibility=hidden -std=gnu99 -Wall
-Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-darwin_usb.lo -MD -MP -MF
.deps/libusb_1_0_la-darwin_usb.Tpo -c -o libusb_1_0_la-darwin_usb.lo
`test -f 'os/darwin_usb.c' || echo
'../../libusbx/libusb/'`os/darwin_usb.c
libtool: compile: /Users/xiaofanc/bin/libexec/ccc-analyzer
-DHAVE_CONFIG_H -I. -I../../libusbx/libusb -I.. -fvisibility=hidden
-std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-darwin_usb.lo -MD -MP -MF
.deps/libusb_1_0_la-darwin_usb.Tpo -c
../../libusbx/libusb/os/darwin_usb.c -fno-common -DPIC -o
.libs/libusb_1_0_la-darwin_usb.o
libtool: compile: /Users/xiaofanc/bin/libexec/ccc-analyzer
-DHAVE_CONFIG_H -I. -I../../libusbx/libusb -I.. -fvisibility=hidden
-std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-darwin_usb.lo -MD -MP -MF
.deps/libusb_1_0_la-darwin_usb.Tpo -c
../../libusbx/libusb/os/darwin_usb.c -o libusb_1_0_la-darwin_usb.o
>/dev/null 2>&1
mv -f .deps/libusb_1_0_la-darwin_usb.Tpo .deps/libusb_1_0_la-darwin_usb.Plo
/bin/sh ../libtool --tag=CC --mode=compile
/Users/xiaofanc/bin/libexec/ccc-analyzer -DHAVE_CONFIG_H -I.
-I../../libusbx/libusb -I.. -fvisibility=hidden -std=gnu99 -Wall
-Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-threads_posix.lo -MD -MP -MF
.deps/libusb_1_0_la-threads_posix.Tpo -c -o
libusb_1_0_la-threads_posix.lo `test -f 'os/threads_posix.c' || echo
'../../libusbx/libusb/'`os/threads_posix.c
libtool: compile: /Users/xiaofanc/bin/libexec/ccc-analyzer
-DHAVE_CONFIG_H -I. -I../../libusbx/libusb -I.. -fvisibility=hidden
-std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-threads_posix.lo -MD -MP -MF
.deps/libusb_1_0_la-threads_posix.Tpo -c
../../libusbx/libusb/os/threads_posix.c -fno-common -DPIC -o
.libs/libusb_1_0_la-threads_posix.o
libtool: compile: /Users/xiaofanc/bin/libexec/ccc-analyzer
-DHAVE_CONFIG_H -I. -I../../libusbx/libusb -I.. -fvisibility=hidden
-std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT libusb_1_0_la-threads_posix.lo -MD -MP -MF
.deps/libusb_1_0_la-threads_posix.Tpo -c
../../libusbx/libusb/os/threads_posix.c -o
libusb_1_0_la-threads_posix.o >/dev/null 2>&1
mv -f .deps/libusb_1_0_la-threads_posix.Tpo
.deps/libusb_1_0_la-threads_posix.Plo
/bin/sh ../libtool --tag=CC --mode=link
/Users/xiaofanc/bin/libexec/ccc-analyzer -fvisibility=hidden
-std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -version-info 1:0:1 -no-undefined -Wl,-prebind -o libusb-1.0.la
-rpath /usr/local/Cellar/libusb/HEAD/lib libusb_1_0_la-core.lo
libusb_1_0_la-descriptor.lo libusb_1_0_la-io.lo libusb_1_0_la-sync.lo
libusb_1_0_la-darwin_usb.lo libusb_1_0_la-threads_posix.lo -lobjc
-Wl,-framework,IOKit -Wl,-framework,CoreFoundation
libtool: link: gcc -dynamiclib -o .libs/libusb-1.0.0.dylib
.libs/libusb_1_0_la-core.o .libs/libusb_1_0_la-descriptor.o
.libs/libusb_1_0_la-io.o .libs/libusb_1_0_la-sync.o
.libs/libusb_1_0_la-darwin_usb.o .libs/libusb_1_0_la-threads_posix.o
-lobjc -O2 -Wl,-prebind -Wl,-framework -Wl,IOKit -Wl,-framework
-Wl,CoreFoundation -install_name
/usr/local/Cellar/libusb/HEAD/lib/libusb-1.0.0.dylib
-compatibility_version 2 -current_version 2.0 -Wl,-single_module
libtool: link: (cd ".libs" && rm -f "libusb-1.0.dylib" && ln -s
"libusb-1.0.0.dylib" "libusb-1.0.dylib")
libtool: link: ar cru .libs/libusb-1.0.a libusb_1_0_la-core.o
libusb_1_0_la-descriptor.o libusb_1_0_la-io.o libusb_1_0_la-sync.o
libusb_1_0_la-darwin_usb.o libusb_1_0_la-threads_posix.o
libtool: link: ranlib .libs/libusb-1.0.a
libtool: link: ( cd ".libs" && rm -f "libusb-1.0.la" && ln -s
"../libusb-1.0.la" "libusb-1.0.la" )
Making all in doc
make[2]: Nothing to be done for `all'.
Making all in examples
/Users/xiaofanc/bin/libexec/ccc-analyzer -DHAVE_CONFIG_H -I.
-I../../libusbx/examples -I.. -I../../libusbx/libusb -std=gnu99
-Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT listdevs.o -MD -MP -MF .deps/listdevs.Tpo -c -o listdevs.o
../../libusbx/examples/listdevs.c
mv -f .deps/listdevs.Tpo .deps/listdevs.Po
/bin/sh ../libtool --tag=CC --mode=link
/Users/xiaofanc/bin/libexec/ccc-analyzer -std=gnu99 -Wall -Wundef
-Wunused -Wstrict-prototypes -Werror-implicit-function-declaration
-Wno-pointer-sign -Wshadow -g -O2 -o listdevs listdevs.o
../libusb/libusb-1.0.la -lobjc -Wl,-framework,IOKit
-Wl,-framework,CoreFoundation
libtool: link: /Users/xiaofanc/bin/libexec/ccc-analyzer -std=gnu99
-Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -o .libs/listdevs listdevs.o -Wl,-framework -Wl,IOKit
-Wl,-framework -Wl,CoreFoundation ../libusb/.libs/libusb-1.0.dylib
-lobjc
clang: warning: argument unused during compilation: '-std=gnu99'
/Users/xiaofanc/bin/libexec/ccc-analyzer -DHAVE_CONFIG_H -I.
-I../../libusbx/examples -I.. -I../../libusbx/libusb -std=gnu99
-Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT xusb.o -MD -MP -MF .deps/xusb.Tpo -c -o xusb.o
../../libusbx/examples/xusb.c
mv -f .deps/xusb.Tpo .deps/xusb.Po
/bin/sh ../libtool --tag=CC --mode=link
/Users/xiaofanc/bin/libexec/ccc-analyzer -std=gnu99 -Wall -Wundef
-Wunused -Wstrict-prototypes -Werror-implicit-function-declaration
-Wno-pointer-sign -Wshadow -g -O2 -o xusb xusb.o
../libusb/libusb-1.0.la -lobjc -Wl,-framework,IOKit
-Wl,-framework,CoreFoundation
libtool: link: /Users/xiaofanc/bin/libexec/ccc-analyzer -std=gnu99
-Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -o .libs/xusb xusb.o -Wl,-framework -Wl,IOKit -Wl,-framework
-Wl,CoreFoundation ../libusb/.libs/libusb-1.0.dylib -lobjc
clang: warning: argument unused during compilation: '-std=gnu99'
/Users/xiaofanc/bin/libexec/ccc-analyzer -DHAVE_CONFIG_H -I.
-I../../libusbx/examples -I.. -I../../libusbx/libusb -std=gnu99
-Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT dpfp.o -MD -MP -MF .deps/dpfp.Tpo -c -o dpfp.o
../../libusbx/examples/dpfp.c
../../libusbx/examples/dpfp.c:167:40: warning: Result of 'malloc' is
converted to a pointer of type 'unsigned char', which is incompatible
with sizeof operand type 'struct libusb_control_setup'
unsigned char *buf = (unsigned char*)
malloc(LIBUSB_CONTROL_SETUP_SIZE + 1);
~~~~~~~~~~~~~~~ ^~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
mv -f .deps/dpfp.Tpo .deps/dpfp.Po
/bin/sh ../libtool --tag=CC --mode=link
/Users/xiaofanc/bin/libexec/ccc-analyzer -std=gnu99 -Wall -Wundef
-Wunused -Wstrict-prototypes -Werror-implicit-function-declaration
-Wno-pointer-sign -Wshadow -g -O2 -o dpfp dpfp.o
../libusb/libusb-1.0.la -lobjc -Wl,-framework,IOKit
-Wl,-framework,CoreFoundation
libtool: link: /Users/xiaofanc/bin/libexec/ccc-analyzer -std=gnu99
-Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -o .libs/dpfp dpfp.o -Wl,-framework -Wl,IOKit -Wl,-framework
-Wl,CoreFoundation ../libusb/.libs/libusb-1.0.dylib -lobjc
clang: warning: argument unused during compilation: '-std=gnu99'
/Users/xiaofanc/bin/libexec/ccc-analyzer -DHAVE_CONFIG_H -I.
-I../../libusbx/examples -I.. -I../../libusbx/libusb -std=gnu99
-Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -MT dpfp_threaded-dpfp_threaded.o -MD -MP -MF
.deps/dpfp_threaded-dpfp_threaded.Tpo -c -o
dpfp_threaded-dpfp_threaded.o `test -f 'dpfp_threaded.c' || echo
'../../libusbx/examples/'`dpfp_threaded.c
../../libusbx/examples/dpfp_threaded.c:196:40: warning: Result of
'malloc' is converted to a pointer of type 'unsigned char', which is
incompatible with sizeof operand type 'struct libusb_control_setup'
unsigned char *buf = (unsigned char*)
malloc(LIBUSB_CONTROL_SETUP_SIZE + 1);
~~~~~~~~~~~~~~~ ^~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
mv -f .deps/dpfp_threaded-dpfp_threaded.Tpo .deps/dpfp_threaded-dpfp_threaded.Po
/bin/sh ../libtool --tag=CC --mode=link
/Users/xiaofanc/bin/libexec/ccc-analyzer -std=gnu99 -Wall -Wundef
-Wunused -Wstrict-prototypes -Werror-implicit-function-declaration
-Wno-pointer-sign -Wshadow -g -O2 -o dpfp_threaded
dpfp_threaded-dpfp_threaded.o ../libusb/libusb-1.0.la -lobjc
-Wl,-framework,IOKit -Wl,-framework,CoreFoundation
libtool: link: /Users/xiaofanc/bin/libexec/ccc-analyzer -std=gnu99
-Wall -Wundef -Wunused -Wstrict-prototypes
-Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow -g
-O2 -o .libs/dpfp_threaded dpfp_threaded-dpfp_threaded.o
-Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation
../libusb/.libs/libusb-1.0.dylib -lobjc
clang: warning: argument unused during compilation: '-std=gnu99'
make[2]: Nothing to be done for `all-am'.
scan-build: 3 bugs found.
scan-build: Run 'scan-view
/var/folders/_k/njr5n6mj09924bn1rfxx3slh0000gn/T/scan-build-2012-06-30-2'
to examine bug reports.
scan-build: Analysis run complete.
scan-build: Viewing analysis results in
'/var/folders/_k/njr5n6mj09924bn1rfxx3slh0000gn/T/scan-build-2012-06-30-2'
using scan-view.
Starting scan-view at: http://127.0.0.1:8181
Use Ctrl-C to exit.
--
Xiaofan
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