Description:
-A <unistd.h> for systems lacking it.
+A GNU-like <unistd.h>.
Files:
m4/unistd_h.m4
+lib/unistd_.h
Depends-on:
+absolute-header
+link-warning
configure.ac:
-gl_HEADER_UNISTD
+gl_UNISTD_H
Makefile.am:
-BUILT_SOURCES += $(UNISTD_H)
+BUILT_SOURCES += unistd.h
# We need the following in order to create an empty placeholder for
# <unistd.h> when the system doesn't have one.
-unistd.h:
+unistd.h: unistd_.h
+ rm -f $@-t $@
{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
- echo '/* Empty placeholder for $@. */'; \
- } > $@
-MOSTLYCLEANFILES += unistd.h
+ sed -e 's|@''HAVE_UNISTD_H''@|$(HAVE_UNISTD_H)|g' \
+ -e 's|@''ABSOLUTE_UNISTD_H''@|$(ABSOLUTE_UNISTD_H)|g' \
+ -e 's|@''GNULIB_CHOWN''@|$(GNULIB_CHOWN)|g' \
+ -e 's|@''GNULIB_DUP2''@|$(GNULIB_DUP2)|g' \
+ -e 's|@''GNULIB_FCHDIR''@|$(GNULIB_FCHDIR)|g' \
+ -e 's|@''GNULIB_FTRUNCATE''@|$(GNULIB_FTRUNCATE)|g' \
+ -e 's|@''GNULIB_GETCWD''@|$(GNULIB_GETCWD)|g' \
+ -e 's|@''GNULIB_GETLOGIN_R''@|$(GNULIB_GETLOGIN_R)|g' \
+ -e 's|@''GNULIB_READLINK''@|$(GNULIB_READLINK)|g' \
+ -e 's|@''HAVE_DUP2''@|$(HAVE_DUP2)|g' \
+ -e 's|@''HAVE_FTRUNCATE''@|$(HAVE_FTRUNCATE)|g' \
+ -e 's|@''HAVE_READLINK''@|$(HAVE_READLINK)|g' \
+ -e 's|@''HAVE_DECL_GETLOGIN_R''@|$(HAVE_DECL_GETLOGIN_R)|g' \
+ -e 's|@''REPLACE_CHOWN''@|$(REPLACE_CHOWN)|g' \
+ -e 's|@''REPLACE_FCHDIR''@|$(REPLACE_FCHDIR)|g' \
+ -e 's|@''REPLACE_GETCWD''@|$(REPLACE_GETCWD)|g' \
+ < $(srcdir)/unistd_.h; \
+ } > $@-t
+ mv $@-t $@
+MOSTLYCLEANFILES += unistd.h unistd.h-t
Include:
#include <unistd.h>