link-warning: always build headers with link warnings Replacement headers must be built unconditionally if they use GL_LINK_WARNING, if the warning is to ever trigger on a glibc system during CFLAGS=-DGNULIB_POSIXCHECK. * modules/arpa_inet (Makefile.am): Always build replacement header. * modules/ctype (Makefile.am): Likewise. * modules/dirent (Makefile.am): Likewise. * modules/inttypes (Makefile.am): Likewise. * modules/langinfo (Makefile.am): Likewise. * modules/locale (Makefile.am): Likewise. * modules/spawn (Makefile.am): Likewise. * modules/sys_file (Makefile.am): Likewise. * modules/sys_ioctl (Makefile.am): Likewise. * modules/sys_select (Makefile.am): Likewise. * modules/sys_socket (Makefile.am): Likewise. * modules/sys_times (Makefile.am): Likewise. * modules/sys_utsname (Makefile.am): Likewise. * modules/sys_wait (Makefile.am): Likewise. * modules/wchar (Makefile.am): Likewise. * m4/arpa_inet_h.m4 (gl_HEADER_ARPA_INET) (gl_ARPA_INET_H_DEFAULTS): Drop unneeded variable. * m4/ctype.m4 (gl_CTYPE_H_DEFAULTS): Likewise. * m4/isblank.m4 (gl_FUNC_ISBLANK): Likewise. * m4/dirent_h.m4 (gl_REPLACE_DIRENT_H, gl_DIRENT_H_DEFAULTS): Likewise. * m4/inttypes.m4 (gl_INTTYPES_H): Likewise. * m4/langinfo_h.m4 (gl_LANGINFO_H): Likewise. * m4/locale_h.m4 (gl_REPLACE_LOCALE_H, gl_LOCALE_H_DEFAULTS): Likewise. * m4/spawn_h.m4 (gl_REPLACE_SPAWN_H, gl_SPAWN_H_DEFAULTS): Likewise. * m4/sys_file_h.m4 (gl_HEADER_SYS_FILE_H): Likewise. * m4/sys_ioctl_h.m4 (gl_SYS_IOCTL_H, gl_REPLACE_SYS_IOCTL_H) (gl_SYS_IOCTL_H_DEFAULTS): Likewise. * m4/sys_select_h.m4 (gl_HEADER_SYS_SELECT): Likewise. * m4/sys_times_h.m4 (gl_SYS_TIMES_H): Likewise. * m4/sys_utsname_h.m4 (gl_SYS_UTSNAME_H) (gl_SYS_UTSNAME_H_DEFAULTS): Likewise. * m4/wchar.m4 (gl_WCHAR_H, gl_REPLACE_WCHAR_H) (gl_WCHAR_H_DEFAULTS): Likewise.

Description:
A <sys/ioctl.h> for systems with missing declarations.

Files:
lib/sys_ioctl.in.h
m4/sys_ioctl_h.m4

Depends-on:
include_next
link-warning
unistd

configure.ac:
gl_SYS_IOCTL_H
AC_PROG_MKDIR_P

Makefile.am:
BUILT_SOURCES += sys/ioctl.h

# We need the following in order to create <sys/ioctl.h> when the system
# does not have a complete one.
sys/ioctl.h: sys_ioctl.in.h $(LINK_WARNING_H)
	$(AM_V_at)$(MKDIR_P) sys
	$(AM_V_GEN)rm -f $@-t $@ && \
	{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
	  sed -e 's|@''HAVE_SYS_IOCTL_H''@|$(HAVE_SYS_IOCTL_H)|g' \
	      -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
	      -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
	      -e 's|@''NEXT_SYS_IOCTL_H''@|$(NEXT_SYS_IOCTL_H)|g' \
	      -e 's|@''GNULIB_IOCTL''@|$(GNULIB_IOCTL)|g' \
	      -e 's|@''SYS_IOCTL_H_HAVE_WINSOCK2_H''@|$(SYS_IOCTL_H_HAVE_WINSOCK2_H)|g' \
	      -e 's|@''SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS''@|$(SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS)|g' \
	      -e '/definition of GL_LINK_WARNING/r $(LINK_WARNING_H)' \
	      < $(srcdir)/sys_ioctl.in.h; \
	} > $@-t && \
	mv $@-t $@
MOSTLYCLEANFILES += sys/ioctl.h sys/ioctl.h-t
MOSTLYCLEANDIRS += sys

Include:
<sys/ioctl.h>

License:
LGPLv2+

Maintainer:
all