diff options
Diffstat (limited to 'm4/_ax_text_tpl.m4')
| -rw-r--r-- | m4/_ax_text_tpl.m4 | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/m4/_ax_text_tpl.m4 b/m4/_ax_text_tpl.m4 deleted file mode 100644 index 0977c05..0000000 --- a/m4/_ax_text_tpl.m4 +++ /dev/null @@ -1,163 +0,0 @@ -# Text templating system with autoconf -# ==================================== -# -# Correctly generate files based on ./configure check results. The @variable@ -# substitution is usually done by config.status from *.in files, however -# substuing paths like @libexecdir@ can result into '${exec_prefix}/libexec' -# which is not desired for installed scripts, for example, where we need to have -# fully expanded paths. The aim of this script is to generalize steps users -# usually do to perform full expansion of configure variables. Currently we use -# sed substitution only. -# -# The easiest usage of this templating system is like this: -# $ cat configure.ac | "grep interresting lines" -# _AX_TEXT_TPL_INIT -# some_other_var="some other var content" -# _AX_TEXT_TPL_SUBST([some_other_var]) -# -# $ cat Makefile (or Makefile.am): -# generated_file: TEMPLATE.in $(text_tpl_deps) -# <<tab>>$(text_tpl_gen) -# -# Limitations: -# - this code is probably not terribly portable -# - substitutions should not contain '|' character (because we use sed rules -# spelled like 's|||'), you can do things like '\|', however you need to -# take into account that substitution done by 'sed' and by 'config.status' are -# not the same. Also be careful about escaping '\' caracter. -# - only single-line substitutions are expected; you may use '\n' however -# there is the same problem as with '|' and '\'. -# -# TODO: -# - we should do something similar to what config.status does (awk generated -# source code for substitutions), however even thought usually variable -# (macro) values are defined by ./configure, some may be defined like 'make -# VARIABLE=VALUE'. - -# sed_subst_var_pattern VARNAME (private macro) -# --------------------------------------------- -# Generate sed substitution rule to substitute @VARNAME@ with fully expaned -# value of $VARNAME. The trick is that we use 'make' to expand the value. -# The VARNAME must be AC_SUBST'ed (and all its sub-components like ${prefix}, -# etc.) to allow 'make' doing correct expansion. -m4_define([sed_subst_var_pattern], [\\ - -e 's|@$1[[@]]|\$($1)|g']) - -# _AX_TEXT_TPL_INIT -# ----------------- -# Initialize the templating system. -AC_DEFUN([_AX_TEXT_TPL_INIT], [ - -__ax_text_tpl_default_variables="\ - abs_builddir - abs_srcdir - abs_top_builddir - abs_top_srcdir - bindir - build_alias - builddir - datarootdir - datadir - docdir - dvidir - exec_prefix - host_alias - htmldir - includedir - infodir - libdir - libexecdir - localedir - localstatedir - mandir - oldincludedir - pdfdir - pkgdatadir - prefix - psdir - sbindir - sharedstatedir - srcdir - sysconfdir - target_alias - top_srcdir - PACKAGE - PACKAGE_BUGREPORT - PACKAGE_NAME - PACKAGE_STRING - PACKAGE_TARNAME - PACKAGE_URL - PACKAGE_VERSION - PATH_SEPARATOR - SHELL - VERSION -" - -__ax_text_tpl_sed_rules="" -for i in $__ax_text_tpl_default_variables -do -__ax_text_tpl_sed_rules="$__ax_text_tpl_sed_rules \ -sed_subst_var_pattern($i)" -done - -__ax_text_tpl_sed_rules="$__ax_text_tpl_sed_rules \\ - \$(__ax_text_tpl_user_sed_rules) \\ - \$(_AX_TEXT_ADDITIONAL_SED_SUBSTITUTIONS) \\ - \$\$ax_text_add_sed_substs \\ - -e 's|@__FILE__[[@]]|\@S|@@|g'" - -__ax_text_tpl_sed_call="\$(SED) \$(__ax_text_tpl_sed_rules)" -text_tpl_sed_call=$__ax_text_tpl_sed_call -m4_pattern_allow(AM_V_GEN) - -# Convenient snippet to clean & prepare for following build -text_tpl_gen_conv_verbose="rm -rf \@S|@@; \$(MKDIR_P) \$(@D)" -text_tpl_gen_conv="\$(AM_V_GEN)\$(text_tpl_gen_conv_verbose)" - -# Instantiate arbitrary data text file -text_tpl_gen_verbose="\$(text_tpl_gen_conv_verbose) && \$(__ax_text_tpl_sed_call) \$< > \@S|@@ && chmod -w \@S|@@" -text_tpl_gen="\$(AM_V_GEN)\$(text_tpl_gen_verbose)" - -# Instantiate script file -text_tpl_gen_script_verbose="\$(text_tpl_gen_verbose) && chmod +x \@S|@@" -text_tpl_gen_script="\$(AM_V_GEN)\$(text_tpl_gen_script_verbose) && chmod +x \@S|@@" - -# Make dependencies for targets of $(text_tpl_gen) and $(text_tpl_gen_script) -text_tpl_deps='$(top_builddir)/config.status' - -AC_PATH_PROG([SED], [sed]) -test -z "$ac_cv_path_SED" && - AC_MSG_ERROR([Sed is needed but not found.]) - -AC_SUBST([__ax_text_tpl_sed_call]) -AC_SUBST([__ax_text_tpl_sed_rules]) -AC_SUBST([__ax_text_tpl_user_sed_rules]) -AC_SUBST([text_tpl_deps]) -AC_SUBST([text_tpl_sed_call]) -AC_SUBST([text_tpl_gen]) -AC_SUBST([text_tpl_gen_verbose]) -AC_SUBST([text_tpl_gen_conv]) -AC_SUBST([text_tpl_gen_conv_verbose]) -AC_SUBST([text_tpl_gen_script]) -AC_SUBST([text_tpl_gen_script_verbose]) -]) - -# _AX_TEXT_TPL_SUBST SHELL_VARNAME [VALUE] -# ---------------------------------------- -# Do substitution of SHELL_VARNAME both by config.status, and by sed call -# in instantiation rules. -AC_DEFUN([_AX_TEXT_TPL_SUBST], [ -test x = x"$2" || $1=$2 -__ax_text_tpl_user_sed_rules="$__ax_text_tpl_user_sed_rules\ -sed_subst_var_pattern($1)" -AC_SUBST($1) -]) - - -# _AX_TEXT_TPL_ARG_VAR VARNAME DEFAULT DESCRIPTION -# ------------------------------------------------ -AC_DEFUN([_AX_TEXT_TPL_ARG_VAR], [ -AC_ARG_VAR([$1], [$3]) -test -z "$$1" && $1=$2 -_AX_TEXT_TPL_SUBST($1) -]) |