diff options
Diffstat (limited to 'm4/include_next.m4')
| -rw-r--r-- | m4/include_next.m4 | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/m4/include_next.m4 b/m4/include_next.m4 index ebf081a1101..14a1009b5d4 100644 --- a/m4/include_next.m4 +++ b/m4/include_next.m4 @@ -1,4 +1,4 @@ -# include_next.m4 serial 20 +# include_next.m4 serial 21 dnl Copyright (C) 2006-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -207,17 +207,34 @@ dnl until we can assume autoconf 2.64 or newer. aix*) gl_absname_cpp="$ac_cpp -C" ;; *) gl_absname_cpp="$ac_cpp" ;; esac +changequote(,) + case "$host_os" in + mingw*) + dnl For the sake of native Windows compilers (excluding gcc), + dnl treat backslash as a directory separator, like /. + dnl Actually, these compilers use a double-backslash as + dnl directory separator, inside the + dnl # line "filename" + dnl directives. + gl_dirsep_regex='[/\\]' + ;; + *) + gl_dirsep_regex='/' + ;; + esac +changequote([,]) + gl_absolute_header_sed='\#'"${gl_dirsep_regex}"']m4_defn([gl_HEADER_NAME])[#{ + s#.*"\(.*'"${gl_dirsep_regex}"']m4_defn([gl_HEADER_NAME])[\)".*#\1# + s#^/[^/]#//&# + p + q + }' dnl eval is necessary to expand gl_absname_cpp. dnl Ultrix and Pyramid sh refuse to redirect output of eval, dnl so use subshell. AS_VAR_SET(gl_next_header, ['"'`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD | - sed -n '\#/]m4_defn([gl_HEADER_NAME])[#{ - s#.*"\(.*/]m4_defn([gl_HEADER_NAME])[\)".*#\1# - s#^/[^/]#//&# - p - q - }'`'"']) + sed -n "$gl_absolute_header_sed"`'"']) m4_if([$2], [check], [else AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>']) |