dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
- AC_CHECK_HEADERS_ONCE(unistd.h)
- AC_CHECK_HEADERS(search.h)
- AC_CHECK_FUNCS(tsearch)
+ AC_CHECK_HEADERS_ONCE([unistd.h])
+ AC_CHECK_HEADERS([search.h])
+ AC_CHECK_FUNCS([tsearch])
])
# Prerequisites of lib/unsetenv.c.
AC_DEFUN([gl_PREREQ_UNSETENV],
[
AC_REQUIRE([gl_ENVIRON])
])
# Prerequisites of lib/unsetenv.c.
AC_DEFUN([gl_PREREQ_UNSETENV],
[
AC_REQUIRE([gl_ENVIRON])