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wchar_t is a C++ built in and should not (always) be defined 

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4128 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2011-11-29 14:26:12 +00:00
parent bb06036229
commit 6ec0789266
4 changed files with 18 additions and 6 deletions
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3
nuttx/ChangeLog
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@ -2222,3 +2222,6 @@
STM32F50xxx family of MCUs.
* configs/stm3240g-eval: Add framework for the STMicro STM3240G-EVAL
board.
* include/sys/types.h: wchar_t is a builtin type in C++ and its
declaration can cause errors with certain C++ compilers.

11
nuttx/Documentation/NuttxUserGuide.html
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@ -1260,6 +1260,9 @@ interface of the same name.
If the message queue is full and <code>NON_BLOCK</code> is set, the message
is not queued and <code>ERROR</code> is returned.
</p>
<p>
<b>NOTE</b>: <i>mq_send()</i> may be called from an interrupt handler.
<p>
<p>
<b>Input Parameters:</b>
</p>
@ -2236,7 +2239,7 @@ If the value of the semaphore resulting from this operation is zero, then
on of the tasks blocked waiting for the semaphore will be allowed to
return successfully from its call to <i>sem_wait()</i>.
<p>
<b>NOTE</b>: <i>sem_post()</i> may be called from an interrupt handler.
<b>NOTE</b>: <i>sem_post()</i> may be called from an interrupt handler.
<p>
<b>Input Parameters:</b>
<ul>
@ -2250,9 +2253,9 @@ return successfully from its call to <i>sem_wait()</i>.
</ul>
<p>
<b>Assumptions/Limitations:</b> This function cannot be called
from an interrupt handler. It assumes the currently executing
task is the one that is performing the unlock.
<b>Assumptions/Limitations:</b>.
When called from an interrupt handler, it will appear as though the
interrupt task is the one that is performing the unlock.
<p>
<b> POSIX Compatibility:</b> Comparable to the POSIX
interface of the same name.

3
nuttx/configs/sim/nsh2/Make.defs
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@ -49,6 +49,7 @@ ARCHPICFLAGS = -fpic
ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow
ARCHWARNINGSXX = -Wall -Wshadow
ARCHDEFINES =
ARCHDEFINESXX = -DCONFIG_WCHAR_BUILTIN
ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
ARCHSCRIPT =
@ -66,7 +67,7 @@ OBJDUMP = $(CROSSDEV)objdump
CFLAGS = $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
$(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
CXXFLAGS = $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
$(ARCHCPUFLAGSXX) $(ARCHINCLUDESXX) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
$(ARCHCPUFLAGSXX) $(ARCHINCLUDESXX) $(ARCHDEFINESXX) $(EXTRADEFINES) -pipe
CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
AFLAGS = $(CFLAGS) -D__ASSEMBLY__

7
nuttx/include/sys/types.h
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@ -165,9 +165,14 @@ typedef unsigned int id_t;
typedef intptr_t ptrdiff_t;
/* Wide, 16-bit character types */
/* Wide, 16-bit character types. wchar_t is a built-in type in C++ and
* its declaration here may cause compilation errors on some compilers
* if -DCONFIG_WCHAR_BUILTIN is not included in the CXXFLAGS.
*/
#ifndef CONFIG_WCHAR_BUILTIN
typedef uint16_t wchar_t;
#endif
/* blkcnt_t and off_t are signed integer types.
*