t/silent-cxx.sh

   1 #!/bin/sh
   2 # Copyright (C) 2010-2024 Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17 # Check silent-rules mode for C++, both with and without automatic
  18 # dependency tracking.
  19
  20 required=c++
  21 . test-init.sh
  22
  23 mkdir sub
  24
  25 cat >>configure.ac <<'EOF'
  26 AC_PROG_CXX
  27 AC_CONFIG_FILES([sub/Makefile])
  28 AC_OUTPUT
  29 EOF
  30
  31 cat > Makefile.am <<'EOF'
  32 # Need generic and non-generic rules.
  33 bin_PROGRAMS = foo1 foo2
  34 foo1_SOURCES = foo.cpp baz.cxx quux.cc
  35 foo2_SOURCES = $(foo1_SOURCES)
  36 foo2_CXXFLAGS = $(AM_CXXFLAGS)
  37 SUBDIRS = sub
  38 EOF
  39
  40 cat > sub/Makefile.am <<'EOF'
  41 AUTOMAKE_OPTIONS = subdir-objects
  42 # Need generic and non-generic rules.
  43 bin_PROGRAMS = bar1 bar2
  44 bar1_SOURCES = bar.cpp
  45 bar2_SOURCES = $(bar1_SOURCES)
  46 bar2_CXXFLAGS = $(AM_CXXFLAGS)
  47 EOF
  48
  49 cat > foo.cpp <<'EOF'
  50 using namespace std; /* C compilers fail on this. */
  51 int main (void) { return 0; }
  52 EOF
  53
  54 # Let's try out other extensions too.
  55 echo 'class Baz  { public: int i;  };' > baz.cxx
  56 echo 'class Quux { public: bool b; };' > quux.cc
  57
  58 cp foo.cpp sub/bar.cpp
  59
  60 $ACLOCAL
  61 $AUTOMAKE --add-missing
  62 $AUTOCONF
  63
  64 # Sanity check: make sure the cache variable we force is really used
  65 # by configure.
  66 $FGREP am_cv_CXX_dependencies_compiler_type configure
  67
  68 # Force dependency tracking explicitly, so that slow dependency
  69 # extractors are not rejected.  Try also with dependency tracking
  70 # explicitly disabled.
  71 for config_args in \
  72   --enable-dependency-tracking --disable-dependency-tracking
  73 do
  74
  75   ./configure $config_args --enable-silent-rules
  76
  77   run_make -O
  78
  79   $EGREP ' (-c|-o)' stdout && exit 1
  80   grep 'mv ' stdout && exit 1
  81
  82   grep 'CXX .*foo\.'  stdout
  83   grep 'CXX .*baz\.'  stdout
  84   grep 'CXX .*quux\.' stdout
  85   grep 'CXX .*bar\.'  stdout
  86   grep 'CXXLD .*foo1' stdout
  87   grep 'CXXLD .*bar1' stdout
  88   grep 'CXXLD .*foo2' stdout
  89   grep 'CXXLD .*bar2' stdout
  90
  91   # Ensure a clean rebuild.
  92   $MAKE clean
  93
  94   run_make -O V=1
  95
  96   grep ' -c ' stdout
  97   grep ' -o ' stdout
  98
  99   $EGREP '(CXX|LD) ' stdout && exit 1
 100
 101   # Ensure a clean reconfiguration/rebuild.
 102   $MAKE clean
 103   $MAKE maintainer-clean
 104
 105 done
 106
 107 :