git-compat-util.h: avoid using c99 flex array feature with Sun compiler 5.8
The Sun c99 compiler as recent as version 5.8 Patch 121016-06 2007/08/01 produces an error when compiling diff-delta.c. This source file #includes the delta.h header file which pre-declares a struct which is later defined to contain a flex array member. The Sun c99 compiler fails to compile diff-delta.c and gives the following error: "diff-delta.c", line 314: identifier redeclared: create_delta current : function(pointer to const struct delta_index {unsigned long memsize, pointer to const void src_buf, unsigned long src_size, unsigned int hash_mask, array[-1] of pointer to struct index_entry {..} hash}, pointer to const void, unsigned long, pointer to unsigned long, unsigned long) returning pointer to void previous: function(pointer to const struct delta_index {unsigned long memsize, pointer to const void src_buf, unsigned long src_size, unsigned int hash_mask, array[-1] of pointer to struct index_entry {..} hash}, pointer to const void, unsigned long, pointer to unsigned long, unsigned long) returning pointer to void : "delta.h", line 44 c99: acomp failed for diff-delta.c So, avoid using this c99 feature when compiling with the Sun c compilers version 5.8 and older (the most recent version tested). Signed-off-by: Brandon Casey <drafnel@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -7,7 +7,7 @@
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/*
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* See if our compiler is known to support flexible array members.
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*/
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#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
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#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && (!defined(__SUNPRO_C) || (__SUNPRO_C > 0x580))
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# define FLEX_ARRAY /* empty */
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#elif defined(__GNUC__)
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# if (__GNUC__ >= 3)
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