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Expose zlib constants for backwards compat #747 #750

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brad0
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@brad0 brad0 commented Dec 16, 2023

Building a project that had an internal copy of minizip 1.x, but
preferring an external library, with minizip 4.x showed that the
compat layer was not exposing some constants from zlib that
minizip 1.x headers did.

@brad0 brad0 marked this pull request as draft December 17, 2023 03:51
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@nmoinvaz
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nmoinvaz commented Dec 18, 2023

From the CI:

D:\a\minizip-ng\minizip-ng\mz_compat.h(19,10): fatal  error C1083: Cannot open include file: 'zlib.h': 
No such file or directory [D:\a\minizip-ng\minizip-ng\test\gtest_minizip.vcxproj]

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nmoinvaz commented Dec 18, 2023

I could be wrong, but I think this CMake:

minizip-ng/CMakeLists.txt

Lines 713 to 714 in ef3ef9a

target_include_directories(${MINIZIP_TARGET} PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>)

needs to add ${ZLIB_SOURCE_DIR} and ${ZLIB_BINARY_DIR}.

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Should I wait on this PR to make a new release?

Building a project that had an internal copy of minizip 1.x, but
preferring an external library, with minizip 4.x showed that the
compat layer was not exposing some constants from zlib that
minizip 1.x headers did.
@brad0
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brad0 commented Dec 22, 2023

Should I wait on this PR to make a new release?

Go for 4.0.4.

@Neustradamus
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For information, minizip-ng 4.0.7 has been released (2024-06-15).

Comment on lines +714 to +716
$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
${ZLIB_SOURCE_DIR}
${ZLIB_BINARY_DIR})
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From my experiments, that part isn't needed. It's actually causing extra build issues (for Windows).

I came up with a solution that builds in #815

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4 participants