Re: sed hangs on solaris

[Sam Steingold]

> * Paul Eggert <address@hidden> [2011-05-03 13:52:21 -0700]:
>
> On 05/03/11 13:26, Sam Steingold wrote:
>> note that some pipelines appear to succeed before the hanging:
>
> Yes.  If it is a kernel bug, quite possibly it's timing-dependent,
> and I wouldn't be surprised if it's not that common.

isn't gnulib's raison d'etre to work around system bugs and deficiencies? :-)
how about an --avoid-pipes option to something (configure?) which would
let me avoid editing the generated Makefile by hand?
Right now I need to apply the appended patch after each "make gllib".

-- 
Sam Steingold (http://sds.podval.org/) on CentOS release 5.6 (Final) X 
11.0.60900031
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--- gllib/Makefile.orig 2011-05-18 11:43:58.838261985 -0400
+++ gllib/Makefile      2011-05-18 11:46:31.150273797 -0400
@@ -2074,7 +2074,6 @@
 # <unistd.h> when the system doesn't have one.
 unistd.h: unistd.in.h $(top_builddir)/config.status $(CXXDEFS_H) 
$(ARG_NONNULL_H) $(WARN_ON_USE_H)
        $(AM_V_GEN)rm -f address@hidden $@ && \
-       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
          sed -e 's|@''HAVE_UNISTD_H''@|$(HAVE_UNISTD_H)|g' \
              -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|#pragma GCC system_header|g' \
@@ -2124,7 +2123,7 @@
              -e 's|@''GNULIB_UNLINKAT''@|$(GNULIB_UNLINKAT)|g' \
              -e 's|@''GNULIB_USLEEP''@|$(GNULIB_USLEEP)|g' \
              -e 's|@''GNULIB_WRITE''@|$(GNULIB_WRITE)|g' \
-             < $(srcdir)/unistd.in.h | \
+             < $(srcdir)/unistd.in.h > z
          sed -e 's|@''HAVE_CHOWN''@|$(HAVE_CHOWN)|g' \
              -e 's|@''HAVE_DUP2''@|$(HAVE_DUP2)|g' \
              -e 's|@''HAVE_DUP3''@|$(HAVE_DUP3)|g' \
@@ -2163,7 +2162,7 @@
              -e 's|@''HAVE_DECL_TTYNAME_R''@|$(HAVE_DECL_TTYNAME_R)|g' \
              -e 's|@''HAVE_OS_H''@|$(HAVE_OS_H)|g' \
              -e 's|@''HAVE_SYS_PARAM_H''@|$(HAVE_SYS_PARAM_H)|g' \
-         | \
+         < z > y
          sed -e 's|@''REPLACE_CHOWN''@|$(REPLACE_CHOWN)|g' \
              -e 's|@''REPLACE_CLOSE''@|$(REPLACE_CLOSE)|g' \
              -e 's|@''REPLACE_DUP''@|$(REPLACE_DUP)|g' \
@@ -2194,8 +2193,8 @@
              -e 
's|@''UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS''@|$(UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS)|g'
 \
              -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
              -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \
-             -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)'; \
-       } > address@hidden && \
+             -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \
+       < y > address@hidden && \
        mv address@hidden $@
 
 unitypes.h: unitypes.in.h
@@ -2224,7 +2223,6 @@
 # version does not work standalone.
 wchar.h: wchar.in.h $(top_builddir)/config.status $(CXXDEFS_H) 
$(ARG_NONNULL_H) $(WARN_ON_USE_H)
        $(AM_V_GEN)rm -f address@hidden $@ && \
-       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
          sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|#pragma GCC system_header|g' \
              -e 's|@''PRAGMA_COLUMNS''@||g' \
@@ -2270,7 +2268,7 @@
              -e 's|@''GNULIB_WCSSTR''@|$(GNULIB_WCSSTR)|g' \
              -e 's|@''GNULIB_WCSTOK''@|$(GNULIB_WCSTOK)|g' \
              -e 's|@''GNULIB_WCSWIDTH''@|$(GNULIB_WCSWIDTH)|g' \
-             < $(srcdir)/wchar.in.h | \
+             < $(srcdir)/wchar.in.h > z
          sed -e 's|@''HAVE_WINT_T''@|$(HAVE_WINT_T)|g' \
              -e 's|@''HAVE_BTOWC''@|$(HAVE_BTOWC)|g' \
              -e 's|@''HAVE_MBSINIT''@|$(HAVE_MBSINIT)|g' \
@@ -2311,7 +2309,7 @@
              -e 's|@''HAVE_WCSWIDTH''@|$(HAVE_WCSWIDTH)|g' \
              -e 's|@''HAVE_DECL_WCTOB''@|$(HAVE_DECL_WCTOB)|g' \
              -e 's|@''HAVE_DECL_WCWIDTH''@|$(HAVE_DECL_WCWIDTH)|g' \
-         | \
+         < z > y
          sed -e 's|@''REPLACE_MBSTATE_T''@|$(REPLACE_MBSTATE_T)|g' \
              -e 's|@''REPLACE_BTOWC''@|$(REPLACE_BTOWC)|g' \
              -e 's|@''REPLACE_WCTOB''@|$(REPLACE_WCTOB)|g' \
@@ -2327,8 +2325,8 @@
              -e 's|@''REPLACE_WCSWIDTH''@|$(REPLACE_WCSWIDTH)|g' \
              -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
              -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \
-             -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)'; \
-       } > address@hidden && \
+             -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \
+       < y > address@hidden && \
        mv address@hidden $@
 
 # We need the following in order to create <wctype.h> when the system