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https://github.com/cuberite/libdeflate.git
synced 2025-09-07 19:26:29 -04:00
e9a956efca
It was reported that API symbols were being "exported" from the static library built with MSVC, causing them to remain exported after being linked into another program. It turns out this was actually a problem outside of MSVC as well. The solution is to always build the static and shared libraries from different object files, where the API symbols are exported from the shared library object files but not from the static library object files. Reported-by: Joergen Ibsen <ji@ibse.dk>
33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
/*
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* lib_common.h - internal header included by all library code
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*/
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#ifndef _LIB_LIB_COMMON_H
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#define _LIB_LIB_COMMON_H
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#define BUILDING_LIBDEFLATE
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#include "common_defs.h"
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/*
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* Prefix with "_libdeflate_" all global symbols which are not part of the API.
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* This avoids exposing overly generic names when libdeflate is built as a
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* static library.
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*
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* Note that the chosen prefix is not really important and can be changed
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* without breaking library users. It was just chosen so that the resulting
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* symbol names are unlikely to conflict with those from any other software.
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* Also note that this fixup has no useful effect when libdeflate is built as a
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* shared library, since these symbols are not exported.
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*/
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#define SYM_FIXUP(sym) _libdeflate_##sym
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#define adler32 SYM_FIXUP(adler32)
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#define aligned_malloc SYM_FIXUP(aligned_malloc)
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#define aligned_free SYM_FIXUP(aligned_free)
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#define crc32_gzip SYM_FIXUP(crc32_gzip)
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#define deflate_get_compression_level SYM_FIXUP(deflate_get_compression_level)
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#define _x86_cpu_features SYM_FIXUP(_x86_cpu_features)
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#define x86_setup_cpu_features SYM_FIXUP(x86_setup_cpu_features)
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#endif /* _LIB_LIB_COMMON_H */
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