liblzma: Disable XL compiler optimizations altogether
Revert commit 82c51a8a
(liblzma: Disable XL compiler optimizations in
one source to avoid crash, 2015-04-02) and instead add a compiler flag
to disable optimizations in every source of liblzma. Somehow the XL
compiler optimizations create incorrect behavior in liblzma and lead
to crashes or truncated output during compression.
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@ -211,4 +211,10 @@ ENDIF()
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ADD_LIBRARY(cmliblzma ${LZMA_SRCS})
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IF(CMAKE_C_COMPILER_ID STREQUAL "XL")
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# Disable the XL compiler optimizer because it causes crashes
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# and other bad behavior in liblzma code.
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SET_PROPERTY(TARGET cmliblzma PROPERTY COMPILE_FLAGS "-qnooptimize")
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ENDIF()
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INSTALL(FILES COPYING DESTINATION ${CMAKE_DOC_DIR}/cmliblzma)
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@ -8,9 +8,6 @@
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// You can do whatever you want with this file.
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//
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///////////////////////////////////////////////////////////////////////////////
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#if defined(__IBMC__)
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# pragma options optimize=0
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#endif
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#include "lzma_encoder_private.h"
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#include "fastpos.h"
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