strerror: drop strerror_r dependency

[gnulib.git] / modules / errno

diff --git a/modules/errno b/modules/errno
index 208636d..2640ec8 100644 (file)
--- a/modules/errno
+++ b/modules/errno
@@ -3,24 +3,32 @@ A POSIX-like <errno.h>.
 
 Files:
 lib/errno.in.h
+lib/strerror-override.h
+lib/strerror-override.c
 m4/errno_h.m4
 
 Depends-on:
 include_next
 
 configure.ac:
-AC_REQUIRE([gl_HEADER_ERRNO_H])
+gl_HEADER_ERRNO_H
+if test -n "$ERRNO_H"; then
+  AC_LIBOBJ([strerror-override])
+fi
 
 Makefile.am:
 BUILT_SOURCES += $(ERRNO_H)
 
 # We need the following in order to create <errno.h> when the system
 # doesn't have one that is POSIX compliant.
-errno.h: errno.in.h
-       rm -f $@-t $@
+if GL_GENERATE_ERRNO_H
+errno.h: errno.in.h $(top_builddir)/config.status
+       $(AM_V_GEN)rm -f $@-t $@ && \
        { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
-         sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+         sed -e 's|@''GUARD_PREFIX''@|${gl_include_guard_prefix}|g' \
+             -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
+             -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
              -e 's|@''NEXT_ERRNO_H''@|$(NEXT_ERRNO_H)|g' \
              -e 's|@''EMULTIHOP_HIDDEN''@|$(EMULTIHOP_HIDDEN)|g' \
              -e 's|@''EMULTIHOP_VALUE''@|$(EMULTIHOP_VALUE)|g' \
@@ -29,8 +37,12 @@ errno.h: errno.in.h
              -e 's|@''EOVERFLOW_HIDDEN''@|$(EOVERFLOW_HIDDEN)|g' \
              -e 's|@''EOVERFLOW_VALUE''@|$(EOVERFLOW_VALUE)|g' \
              < $(srcdir)/errno.in.h; \
-       } > $@-t
+       } > $@-t && \
        mv $@-t $@
+else
+errno.h: $(top_builddir)/config.status
+       rm -f $@
+endif
 MOSTLYCLEANFILES += errno.h errno.h-t
 
 Include: