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libtoolize: refactor ACLOCAL_AMFLAGS extraction.
Another simple refactor to simplify following changesets. * libtoolize.m4sh (require_Makefile_am, require_aclocal_amflags) (require_am_macro_dir): Generate these functions at runtime. Signed-off-by: Gary V. Vaughan <gary@gnu.org>
This commit is contained in:
Gary V. Vaughan
parent
5e07c2fc65
commit
0c19864f3d
172
libtoolize.m4sh
172
libtoolize.m4sh
@ -1190,6 +1190,106 @@ func_autoconf_configure ()
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# used in preference to deriving the default. Call them using their
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# associated `require_*' variable to ensure that they are executed, at
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# most, once.
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#
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# Some of the require functions are very similar, so we generate those
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# as this file is sourced. They look complicated, but they are the same
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# as normal function declarations wrapped in "eval '<definition>'", so
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# that embedded single quotes need to be escaped, and wherever a symbol
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# is generated, we drop out of the single quotes and expand a variable
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# that holds the symbol.
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#
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# After that, the rest appear in asciibetical order.
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base=
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p=
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# require_Makefile_am
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# -------------------
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# If not already set, set Makefile_am to `Makefile.am' if that file is
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# present in the current directory.
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r=${base}Makefile_am
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v=require_$r
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f=func_$v
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eval $v'='$f'
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'$f' ()
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{
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$debug_cmd
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test -n "$'$r'" || '$r'='$p'Makefile.am
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if test -f "$'$r'"; then
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func_verbose "found \`$'$r\''"
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else
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'$r'=
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fi
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'$v'=:
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}'
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# Some of these functions need to acquire the resource managed by the
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# lexically preceding function; $o serves that purpose.
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o=$r
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# require_aclocal_amflags
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# -----------------------
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# Extract `$aclocal_amflags' from `Makefile.am' if present.
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r=${base}aclocal_amflags
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v=require_$r
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f=func_$v
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eval $v'='$f'
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'$f' ()
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{
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$debug_cmd
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$require_'$o'
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test -n "$'$o'" && {
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_G_sed_extract_aclocal_amflags='\''s|#.*$||
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/^[ ]*ACLOCAL_AMFLAGS[ ]*=/ {
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s|^.*=[ ]*\(.*\)|'$r'="\1"|
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p
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}'\''
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_G_aclocal_flags_cmd=`$SED -n "$_G_sed_extract_aclocal_amflags" \
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"$'$o'"`
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eval "$_G_aclocal_flags_cmd"
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test -n "$'$r'" && func_verbose "'$r'='\$$r\''"
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}
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'$v'=:
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}'
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o=$r
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# require_am_macro_dir
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# --------------------
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# Set am_macro_dir to the first directory specified in
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# ACLOCAL_AMFLAGS from `Makefile.am'.
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r=${base}am_macro_dir
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v=require_$r
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f=func_$v
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eval $v'='$f'
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'$f' ()
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{
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$debug_cmd
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$require_'$o'
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_G_minus_I_seen=false
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for _G_arg in $'$o'; do
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case $_G_minus_I_seen,$_G_arg in
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:,*) '$r'=$_G_arg; break ;;
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*,-I) _G_minus_I_seen=: ;;
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*,-I*) '$r'=`expr x$_G_opt : '\''x-I\(.*\)$'\''`; break ;;
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esac
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done
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test -n "$'$r'" && func_verbose "'$r'='\'\$$r\''"
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'$v'=:
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}'
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o=$r
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# require_Makefile_am_filter
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@ -1370,57 +1470,6 @@ func_require_ac_macro_dir ()
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}
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# require_aclocal_amflags
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# -----------------------
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# Extract `$aclocal_amflags' from `Makefile.am' if present.
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require_aclocal_amflags=func_require_aclocal_amflags
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func_require_aclocal_amflags ()
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{
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$debug_cmd
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$require_Makefile_am
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test -n "$Makefile_am" && {
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_G_sed_extract_aclocal_amflags='s|#.*$||
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/^[ ]*ACLOCAL_AMFLAGS[ ]*=/ {
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s|^.*=[ ]*\(.*\)|aclocal_amflags="\1"|
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p
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}'
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_G_aclocal_flags_cmd=`$SED -n "$_G_sed_extract_aclocal_amflags" \
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"$Makefile_am"`
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eval "$_G_aclocal_flags_cmd"
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func_verbose "ACLOCAL_AMFLAGS='$aclocal_amflags'"
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}
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require_aclocal_amflags=:
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}
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# require_am_macro_dir
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# --------------------
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# Set am_macro_dir to the first directory specified in ACLOCAL_AMFLAGS.
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require_am_macro_dir=func_require_am_macro_dir
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func_require_am_macro_dir ()
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{
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$debug_cmd
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$require_aclocal_amflags
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_G_minus_I_seen=false
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for _G_arg in $aclocal_amflags; do
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case $_G_minus_I_seen,$_G_arg in
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:,*) am_macro_dir=$_G_arg; break ;;
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*,-I) _G_minus_I_seen=: ;;
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*,-I*) am_macro_dir=`expr x$_G_opt : 'x-I\(.*\)$'`; break ;;
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esac
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done
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require_am_macro_dir=:
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}
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# require_aux_dir
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# ---------------
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# Set aux_dir according to AC_CONFIG_AUX_DIR or else use the same
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@ -1542,27 +1591,6 @@ AC_CONFIG_MACRO_DIR([$ac_macro_dir]) conflicts with ACLOCAL_AMFLAGS=-I $am_macro
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}
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# require_Makefile_am
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# -------------------
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# If not already set, set Makefile_am to `Makefile.am' if that file is
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# present in the current directory.
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require_Makefile_am=func_require_Makefile_am
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func_require_Makefile_am ()
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{
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$debug_cmd
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test -n "$Makefile_am" || Makefile_am=Makefile.am
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if test -f Makefile.am; then
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func_verbose "found \`$Makefile_am'"
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else
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Makefile_am=
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fi
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require_Makefile_am=:
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}
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# require_seen_ltdl
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# -----------------
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# Determine from contents of $configure_ac whether this project contains
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