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configure.ac: Intentionally underquote m4_normalize calls

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This works around a bug in Autoconf 2.64 and earlier, which generated
ridiculous symbols like
  /* #undef HAVE_M4_NORMALIZE___FCNTL_H__LANGINFO_H__LIMITS_H__… */
instead of the ones we need.  It was fixed by v2.65~21:
  http://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=81c80d1bf6c8ddf732d0b89f6fc5e306dac9705e

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
This commit is contained in:
Anders Kaseorg
2014-02-26 01:16:09 -05:00
committed by John Hood
parent 3f38a10a2e
commit af720b41e1
1 changed files with 4 additions and 4 deletions
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configure.ac
+4 -4
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@@ -170,7 +170,7 @@ AC_SEARCH_LIBS([socket], [socket])
AC_SEARCH_LIBS([inet_addr], [nsl]) AC_SEARCH_LIBS([inet_addr], [nsl])
# Checks for header files. # Checks for header files.
AC_CHECK_HEADERS([m4_normalize([ AC_CHECK_HEADERS(m4_normalize([
fcntl.h fcntl.h
langinfo.h langinfo.h
limits.h limits.h
@@ -191,7 +191,7 @@ AC_CHECK_HEADERS([m4_normalize([
unistd.h unistd.h
wchar.h wchar.h
wctype.h wctype.h
])], [], [AC_MSG_ERROR([Missing required header file.])]) ]), [], [AC_MSG_ERROR([Missing required header file.])])
AC_CHECK_HEADERS([pty.h util.h libutil.h paths.h]) AC_CHECK_HEADERS([pty.h util.h libutil.h paths.h])
AC_CHECK_HEADERS([endian.h sys/endian.h]) AC_CHECK_HEADERS([endian.h sys/endian.h])
@@ -216,7 +216,7 @@ AC_TYPE_UINTPTR_T
# Checks for library functions. # Checks for library functions.
AC_FUNC_FORK AC_FUNC_FORK
AC_FUNC_MBRTOWC AC_FUNC_MBRTOWC
AC_CHECK_FUNCS([m4_normalize([ AC_CHECK_FUNCS(m4_normalize([
gettimeofday gettimeofday
setrlimit setrlimit
iswprint iswprint
@@ -239,7 +239,7 @@ AC_CHECK_FUNCS([m4_normalize([
pselect pselect
getaddrinfo getaddrinfo
getnameinfo getnameinfo
])]) ]))
AC_SEARCH_LIBS([clock_gettime], [rt], [AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [Define if clock_gettime is available.])]) AC_SEARCH_LIBS([clock_gettime], [rt], [AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [Define if clock_gettime is available.])])