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pselect: Fix compilation error in C++ mode on mingw
From: |
Bruno Haible |
Subject: |
pselect: Fix compilation error in C++ mode on mingw |
Date: |
Sun, 04 Sep 2022 15:54:19 +0200 |
In a testdir build on mingw, I get this compilation error:
depbase=`echo test-sys_select-c++.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
x86_64-w64-mingw32-g++ -DHAVE_CONFIG_H -DEXEEXT=\".exe\" -I. -I../../gltests
-I.. -DGNULIB_STRICT_CHECKING=1 -DIN_GNULIB_TESTS=1 -I. -I../../gltests -I..
-I../../gltests/.. -I../gllib -I../../gltests/../gllib
-D_WIN32_WINNT=_WIN32_WINNT_WINXP -I/usr/local/mingw64/include -Wall
-Wno-error -g -O2 -MT test-sys_select-c++.o -MD -MP -MF $depbase.Tpo -c -o
test-sys_select-c++.o ../../gltests/test-sys_select-c++.cc &&\
mv -f $depbase.Tpo $depbase.Po
In file included from ../gllib/sys/select.h:119:0,
from ../../gltests/test-sys_select-c++.cc:22:
../gllib/sys/select.h:772:1: error: 'pselect' was not declared in this scope
_GL_CXXALIASWARN (pselect);
^
../gllib/sys/select.h:772:1: note: suggested alternative:
../gllib/sys/select.h:755:1: note: 'gnulib::pselect'
_GL_CXXALIAS_RPL (pselect, int,
^
make[4]: *** [Makefile:23382: test-sys_select-c++.o] Error 1
This patch fixes it.
2022-09-04 Bruno Haible <bruno@clisp.org>
pselect: Fix compilation error in C++ mode on mingw.
* lib/sys_select.in.h (pselect): Enable the C++ alias warning only on
glibc systems.
diff --git a/lib/sys_select.in.h b/lib/sys_select.in.h
index b424f1b803..860e957fe0 100644
--- a/lib/sys_select.in.h
+++ b/lib/sys_select.in.h
@@ -288,7 +288,9 @@ _GL_CXXALIAS_SYS_CAST (pselect, int,
struct timespec const *restrict,
const sigset_t *restrict));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (pselect);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef pselect
# if HAVE_RAW_DECL_PSELECT
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