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https://bugs.freedesktop.org/show_bug.cgi?id=5315
Summary: 6.41 Win32 Build is broken w/ VC++ 6.0 SP6 s_triangle.c
(C99 syntax abuse)
Product: Mesa
Version: 6.4
Platform: PC
OS/Version: Windows 2000
Status: NEW
Severity: major
Priority: P2
Component: Mesa core
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
The build of Mesa on VC++ 6.0 SP6 is broken in src\mesa\swrast\s_triangle.c.
I:\mesa\Mesa-6.4.1\src\mesa\swrast\s_tritemp.h(1159) : error C2275: 'GLuint' :
illegal use of this type as an expression
../../../../include\GL/gl.h(155) : see declaration of 'GLuint'
I:\mesa\Mesa-6.4.1\src\mesa\swrast\s_tritemp.h(1159) : error C2146: syntax error
: missing ';' before identifier 'i'
I:\mesa\Mesa-6.4.1\src\mesa\swrast\s_tritemp.h(1159) : error C2065: 'i' :
undeclared identifier
I:\mesa\Mesa-6.4.1\src\mesa\swrast\s_tritemp.h(1159) : error C2275: 'GLuint' :
illegal use of this type as an expression
../../../../include\GL/gl.h(155) : see declaration of 'GLuint'
I:\mesa\Mesa-6.4.1\src\mesa\swrast\s_tritemp.h(1159) : error C2146: syntax error
: missing ';' before identifier 'i'
I have traced these all to the abuse of C99 syntax, specifically in the
RENDER_SPAN() macro that is defined before one of the inclusions of
s_tritemp.h.
To fix: In any macro that defines a local variable (such as GLuint i;), always
surround the macro expansion with braces to create a sub-block. (This is at
s_triangle.c, with locations at lines 165, 216, and 916.)
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