[Buildroot] [PATCH 1/2] support/testing: add zip test

[Buildroot] [PATCH 1/2] support/testing: add zip test

[Brandon Maier via buildroot]

Signed-off-by: Brandon Maier <brandon.maier@collins.com>
---
 support/testing/tests/package/test_zip.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 support/testing/tests/package/test_zip.py

diff --git a/support/testing/tests/package/test_zip.py b/support/testing/tests/package/test_zip.py
new file mode 100644
index 0000000000..eb2e016988
--- /dev/null
+++ b/support/testing/tests/package/test_zip.py
@@ -0,0 +1,15 @@
+from tests.package.test_compressor_base import TestCompressorBase
+
+
+class TestZip(TestCompressorBase):
+    __test__ = True
+    config = TestCompressorBase.config + \
+        """
+        BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
+        BR2_PACKAGE_ZIP=y
+        BR2_PACKAGE_UNZIP=y
+        """
+    compress_cmd = "/bin/sh -c 'zip $1.zip $1' /bin/sh"
+    decompress_cmd = "unzip"
+    check_integrity_cmd = "unzip -t"
+    compressed_file_ext = ".zip"
-- 
2.45.0

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[Buildroot] [PATCH 2/2] package/zip: fix build with GCC 14

[Brandon Maier via buildroot]

Builds with GCC 14 print the following error

> zip.h:726:10: error: conflicting types for 'memset'; have 'char *(char *, int,  unsigned int)'

This is because with GCC 14, Zip incorrectly detects that the memset functions
exist. Which enables the ZMEM flag and declares its own version of memset.

This is because the ./unix/configure script attempts to compile a C file using
'memset' but it does not include the <string.h>. This was allowed in gnu89, but
in GCC 14 -Werror=implicit-function-declaration is enabled by default[1].

We forcefully set '-std=gnu89' so that Zip will compile everything against
gnu89, which suppresses the warning.

[1] https://gcc.gnu.org/gcc-14/porting_to.html#warnings-as-errors

Signed-off-by: Brandon Maier <brandon.maier@collins.com>
---
 package/zip/zip.mk | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/package/zip/zip.mk b/package/zip/zip.mk
index 67958a4a66..3aa59e7ba7 100644
--- a/package/zip/zip.mk
+++ b/package/zip/zip.mk
@@ -31,7 +31,7 @@ ZIP_TARGET_CFLAGS = \
 define ZIP_BUILD_CMDS
 	$(TARGET_MAKE_ENV) $(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D) \
 		CFLAGS="$(ZIP_TARGET_CFLAGS) $(ZIP_CFLAGS)" \
-		AS="$(TARGET_CC) -c" \
+		CC="$(TARGET_CC) -std=gnu89" AS="$(TARGET_CC) -c" \
 		-f unix/Makefile generic
 endef
 
@@ -43,7 +43,7 @@ endef
 define HOST_ZIP_BUILD_CMDS
 	$(HOST_MAKE_ENV) $(MAKE) $(HOST_CONFIGURE_OPTS) -C $(@D) \
 		CFLAGS="$(HOST_CFLAGS) $(ZIP_CFLAGS)" \
-		AS="$(HOSTCC) -c" \
+		CC="$(HOSTCC) -std=gnu89" AS="$(HOSTCC) -c" \
 		-f unix/Makefile generic
 endef
 
-- 
2.45.0

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Re: [Buildroot] [PATCH 2/2] package/zip: fix build with GCC 14

[Thomas Petazzoni via buildroot]

On Fri, 10 May 2024 23:55:10 +0000
Brandon Maier via buildroot <buildroot@buildroot.org> wrote:

> Builds with GCC 14 print the following error
> 
> > zip.h:726:10: error: conflicting types for 'memset'; have 'char *(char *, int,  unsigned int)'  
> 
> This is because with GCC 14, Zip incorrectly detects that the memset functions
> exist. Which enables the ZMEM flag and declares its own version of memset.
> 
> This is because the ./unix/configure script attempts to compile a C file using
> 'memset' but it does not include the <string.h>. This was allowed in gnu89, but
> in GCC 14 -Werror=implicit-function-declaration is enabled by default[1].
> 
> We forcefully set '-std=gnu89' so that Zip will compile everything against
> gnu89, which suppresses the warning.
> 
> [1] https://gcc.gnu.org/gcc-14/porting_to.html#warnings-as-errors
> 
> Signed-off-by: Brandon Maier <brandon.maier@collins.com>
> ---
>  package/zip/zip.mk | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

My first thought was that this should be fixed with a patch, that we
send upstream. However, it seems like the zip 3.0 release we're using
dates back from 2008, and despite an announce of zip 3.1 on the
website, this still hasn't happened. As it's not clear how active
upstream is, I've applied your solution that doesn't involve a patch.

Thanks!

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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Re: [Buildroot] [PATCH 2/2] package/zip: fix build with GCC 14

[Peter Korsgaard]

>>>>> "Brandon" == Brandon Maier via buildroot <buildroot@buildroot.org> writes:

 > Builds with GCC 14 print the following error
 >> zip.h:726:10: error: conflicting types for 'memset'; have 'char *(char *, int,  unsigned int)'

 > This is because with GCC 14, Zip incorrectly detects that the memset functions
 > exist. Which enables the ZMEM flag and declares its own version of memset.

 > This is because the ./unix/configure script attempts to compile a C file using
 > 'memset' but it does not include the <string.h>. This was allowed in gnu89, but
 > in GCC 14 -Werror=implicit-function-declaration is enabled by default[1].

 > We forcefully set '-std=gnu89' so that Zip will compile everything against
 > gnu89, which suppresses the warning.

 > [1] https://gcc.gnu.org/gcc-14/porting_to.html#warnings-as-errors

 > Signed-off-by: Brandon Maier <brandon.maier@collins.com>

Committed to 2024.02.x, thanks.

-- 
Bye, Peter Korsgaard
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Re: [Buildroot] [PATCH 1/2] support/testing: add zip test

[Thomas Petazzoni via buildroot]

On Fri, 10 May 2024 23:55:09 +0000
Brandon Maier via buildroot <buildroot@buildroot.org> wrote:

> Signed-off-by: Brandon Maier <brandon.maier@collins.com>
> ---
>  support/testing/tests/package/test_zip.py | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>  create mode 100644 support/testing/tests/package/test_zip.py

Applied to master after adding an entry in the DEVELOPERS file.

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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Re: [Buildroot] [PATCH 1/2] support/testing: add zip test

[Peter Korsgaard]

>>>>> "Brandon" == Brandon Maier via buildroot <buildroot@buildroot.org> writes:

 > Signed-off-by: Brandon Maier <brandon.maier@collins.com>

Committed to 2024.02.x, thanks.

-- 
Bye, Peter Korsgaard
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