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maint: avoid empty lines in recipes

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AIX 7.2 ‘make’ complains about recipe lines that are empty after
macro expansion, and I suppose there’s a good chance some
non-POSIX ‘make’ would prohibit them.  Rework macros so
that we can avoid them.
* gnulib-tool (func_emit_lib_Makefile_am)
(func_emit_lib_Makefile_am): Support @!NMD@ too.
* modules/gen-header (@gl_V_at): New macro.
* modules/alloca-opt, modules/argz, modules/assert-h:
* modules/byteswap, modules/configmake, modules/ctype:
* modules/dirent, modules/errno, modules/execinfo, modules/fcntl-h:
* modules/float, modules/fnmatch-h, modules/getopt-posix:
* modules/glob-h, modules/iconv-h, modules/ieee754-h:
* modules/inttypes-incomplete, modules/langinfo:
* modules/libtextstyle-optional, modules/limits-h, modules/locale:
* modules/malloc-h, modules/math, modules/monetary, modules/netdb:
* modules/openmp-init, modules/poll-h, modules/posix-shell:
* modules/pthread-h, modules/pty, modules/sched, modules/search:
* modules/signal-h, modules/sigsegv, modules/snippet/link-warning:
* modules/spawn, modules/stdalign, modules/stdarg, modules/stdbool:
* modules/stddef, modules/stdint, modules/stdio, modules/stdlib:
* modules/stdnoreturn, modules/string, modules/strings:
* modules/sysexits, modules/termios, modules/threads-h:
* modules/time, modules/uchar, modules/unicase/base:
* modules/uniconv/base, modules/unictype/base, modules/unigbrk/base:
* modules/unilbrk/base, modules/uniname/base, modules/uninorm/base:
* modules/unistd, modules/unistdio/base, modules/unistr/base:
* modules/unitypes, modules/uniwbrk/base, modules/uniwidth/base:
* modules/utime-h, modules/wchar, modules/wctype-h:
Use it.
This commit is contained in:
Paul Eggert
2021-12-24 17:22:00 -08:00
parent bb172844a8
commit b4c57b4240
71 changed files with 177 additions and 205 deletions
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6
modules/snippet/link-warning
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@@ -8,6 +8,7 @@ Files:
build-aux/snippet/link-warning.h
Depends-on:
gen-header
configure.ac:
AC_REQUIRE([gl_FEATURES_H])
@@ -25,9 +26,8 @@ Makefile.am:
BUILT_SOURCES += link-warning.h
link-warning.h: $(top_srcdir)/build-aux/snippet/link-warning.h
$(AM_V_GEN)
@NMD@ $(AM_V_at)$(MKDIR_P) '%reldir%'
$(AM_V_at)sed -n -e '/HAVE_FEATURES_H/,$$p' \
@NMD@ $(AM_V_GEN)$(MKDIR_P) '%reldir%'
$(gl_V_at)sed -n -e '/HAVE_FEATURES_H/,$$p' \
< $(top_srcdir)/build-aux/snippet/link-warning.h \
| sed -e 's|@''HAVE_FEATURES_H''@|$(HAVE_FEATURES_H)|g' \
> $@-t