Win flex-bison / Tickets / #9 Flex C++ lexer redefines stdint.h macros

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-Compiling a C++ lexer from Flex produces warnings that the `INT*_MIN`,  `INT*_MAX` and `UINT*_MAX` macros from stdint.h have been redefined.  When I inspected Flex's generated code, I found a block guarded by `#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L` which defines Flex's names for integer types. The catch is, C++ compilers don't always define that symbol, but *do* define the fixed-size integer types (in cstdlib.) So, a C++ compiler defines the macros itself, then includes cstdlib where they're defined again.
+Compiling a C++ lexer from Flex produces warnings that the `INT*_MIN`,  `INT*_MAX` and `UINT*_MAX` macros from stdint.h have been redefined.  When I inspected Flex&#39;s generated code, I found a block guarded by `#if defined (__STDC_VERSION__) &amp;&amp; __STDC_VERSION__ &gt;= 199901L` which defines Flex&#39;s names for integer types. The catch is, C++ compilers don&#39;t always define that symbol, but *do* define the fixed-size integer types (in cstdlib.) So, a C++ compiler defines the macros itself, then includes cstdlib where they&#39;re defined again.

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Milestone: 2.0 --> 1.0

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labels: --> 1
Description has changed:

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--- old
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-Compiling a C++ lexer from Flex produces warnings that the `INT*_MIN`,  `INT*_MAX` and `UINT*_MAX` macros from stdint.h have been redefined.  When I inspected Flex's generated code, I found a block guarded by `#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L` which defines Flex's names for integer types. The catch is, C++ compilers don't always define that symbol, but *do* define the fixed-size integer types (in cstdlib.) So, a C++ compiler defines the macros itself, then includes cstdlib where they're defined again.
+Compiling a C++ lexer from Flex produces warnings that the `INT*_MIN`,  `INT*_MAX` and `UINT*_MAX` macros from stdint.h have been redefined.  When I inspected Flex&#39;s generated code, I found a block guarded by `#if defined (__STDC_VERSION__) &amp;&amp; __STDC_VERSION__ &gt;= 199901L` which defines Flex&#39;s names for integer types. The catch is, C++ compilers don&#39;t always define that symbol, but *do* define the fixed-size integer types (in cstdlib.) So, a C++ compiler defines the macros itself, then includes cstdlib where they&#39;re defined again.

status: open --> accepted
Milestone: 2.0 --> 1.0

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Anonymous - 2018-10-12

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status: accepted --> closed
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Anonymous - 2018-10-12

status: closed --> wont-fix
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status: closed --> open

Milestone: 1.0 --> 2.0
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labels: --> 1
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-Compiling a C++ lexer from Flex produces warnings that the `INT*_MIN`,  `INT*_MAX` and `UINT*_MAX` macros from stdint.h have been redefined.  When I inspected Flex's generated code, I found a block guarded by `#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L` which defines Flex's names for integer types. The catch is, C++ compilers don't always define that symbol, but *do* define the fixed-size integer types (in cstdlib.) So, a C++ compiler defines the macros itself, then includes cstdlib where they're defined again.
+Compiling a C++ lexer from Flex produces warnings that the `INT*_MIN`,  `INT*_MAX` and `UINT*_MAX` macros from stdint.h have been redefined.  When I inspected Flex&#39;s generated code, I found a block guarded by `#if defined (__STDC_VERSION__) &amp;&amp; __STDC_VERSION__ &gt;= 199901L` which defines Flex&#39;s names for integer types. The catch is, C++ compilers don&#39;t always define that symbol, but *do* define the fixed-size integer types (in cstdlib.) So, a C++ compiler defines the macros itself, then includes cstdlib where they&#39;re defined again.

status: open --> unread
Milestone: 2.0 --> 1.0

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status: closed --> wont-fix
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status: accepted --> pending
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Description has changed:

Diff:

--- old
+++ new
@@ -1 +1 @@
-Compiling a C++ lexer from Flex produces warnings that the `INT*_MIN`,  `INT*_MAX` and `UINT*_MAX` macros from stdint.h have been redefined.  When I inspected Flex&#39;s generated code, I found a block guarded by `#if defined (__STDC_VERSION__) &amp;&amp; __STDC_VERSION__ &gt;= 199901L` which defines Flex&#39;s names for integer types. The catch is, C++ compilers don&#39;t always define that symbol, but *do* define the fixed-size integer types (in cstdlib.) So, a C++ compiler defines the macros itself, then includes cstdlib where they&#39;re defined again.
+Compiling a C++ lexer from Flex produces warnings that the `INT*_MIN`,  `INT*_MAX` and `UINT*_MAX` macros from stdint.h have been redefined.  When I inspected Flex&amp;#39;s generated code, I found a block guarded by `#if defined (__STDC_VERSION__) &amp;amp;&amp;amp; __STDC_VERSION__ &amp;gt;= 199901L` which defines Flex&amp;#39;s names for integer types. The catch is, C++ compilers don&amp;#39;t always define that symbol, but *do* define the fixed-size integer types (in cstdlib.) So, a C++ compiler defines the macros itself, then includes cstdlib where they&amp;#39;re defined again.

status: pending --> open
Milestone: 2.0 --> 1.0

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Flex C++ lexer redefines stdint.h macros

Win flex-bison is a port Flex & Bison tools to the Windows platform

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#9 Flex C++ lexer redefines stdint.h macros Edit

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