kc3-lang/automake/t/lex-depend-cxx.sh

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• Hash : 61075eab
  Author :
  Date : 2025-01-01T14:31:02
  

  maint: make update-copyright
  

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• t/lex-depend-cxx.sh

• #! /bin/sh
  # Copyright (C) 2011-2025 Free Software Foundation, Inc.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation; either version 2, or (at your option)
  # any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  
  # Test to make sure dependencies work with Lex/C++.
  # Test synthesized from PR automake/6.
  
  required='c++ lex'
  . test-init.sh
  
  cat >> configure.ac << 'END'
  AC_PROG_CXX
  AM_PROG_LEX
  AC_OUTPUT
  END
  
  cat > Makefile.am << 'END'
  AM_LFLAGS = --never-interactive
  
  noinst_PROGRAMS = joe moe
  joe_SOURCES = joe.ll
  moe_SOURCES = moe.l++
  LDADD = $(LEXLIB)
  
  .PHONY: test-deps-exist
  test-deps-exist:
  	ls -l $(DEPDIR) ;: For debugging.
  	test -f $(DEPDIR)/joe.Po
  	test -f $(DEPDIR)/moe.Po
  
  .PHONY: test-obj-updated
  test-obj-updated: joe.$(OBJEXT) moe.$(OBJEXT)
  	is_newest joe.$(OBJEXT) my-hdr.hxx
  	is_newest moe.$(OBJEXT) my-hdr.hxx
  END
  
  # For the explanation of the conditionals on using extern "C",
  # see https://debbugs.gnu.org/cgi/bugreport.cgi?bug=45205#13.
  cat > joe.ll << 'END'
  %{
  #define YY_DECL int yylex (void)
  #if (defined __cplusplus) && ((!defined __sun) || (defined __EXTERN_C__))
  extern "C"
  #endif
  YY_DECL;
  %}
  %%
  "foo" return EOF;
  .
  %%
  #include "my-hdr.hxx"
  int yywrap (void)
  {
    return 1;
  }
  int main (int argc, char **argv)
  {
    return 0;
  }
  END
  
  cp joe.ll moe.l++
  
  cat > my-hdr.hxx <<'END'
  // This header contains deliberately invalid C (but valid C++).
  using namespace std;
  END
  
  $ACLOCAL
  $AUTOMAKE -a
  
  $FGREP joe.Po Makefile.in
  $FGREP moe.Po Makefile.in
  
  $AUTOCONF
  # Try to enable dependency tracking if possible, even if that means
  # using slow dependency extractors.
  ./configure --enable-dependency-tracking
  
  # For debugging.
  for f in $(find . -name '*.Po'); do
    cat $f
  done
  
  $MAKE test-deps-exist
  $MAKE
  
  $sleep
  touch my-hdr.hxx
  $MAKE test-obj-updated
  
  :
  

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