doc: style fixes

[bison.git] / tests / atlocal.in

diff --git a/tests/atlocal.in b/tests/atlocal.in
index 2f68259288179815590bdc989037ad8a06bc902e..bdc6d47cb8aa35e73b964201c2d9381b82b67516 100644 (file)
--- a/tests/atlocal.in
+++ b/tests/atlocal.in
@@ -1,4 +1,4 @@
-# @configure_input@                                    -*- shell-script -*-
+# @configure_input@                                     -*- shell-script -*-

 # Configurable variable values for Bison test suite.
 
 # Copyright (C) 2000-2012 Free Software Foundation, Inc.
 # Configurable variable values for Bison test suite.
 
 # Copyright (C) 2000-2012 Free Software Foundation, Inc.


@@ -19,6 +19,15 @@
 # We need `config.h'.
 CPPFLAGS="-I$abs_top_builddir/lib @CPPFLAGS@"
 
 # We need `config.h'.
 CPPFLAGS="-I$abs_top_builddir/lib @CPPFLAGS@"
 

+# Don't just check if $POSIXLY_CORRECT is set, as Bash, when launched
+# as /bin/sh, sets the shell variable POSIXLY_CORRECT to y, but not
+# the environment variable.
+if env | grep '^POSIXLY_CORRECT=' >/dev/null; then
+  POSIXLY_CORRECT_IS_EXPORTED=true
+else
+  POSIXLY_CORRECT_IS_EXPORTED=false
+fi
+

 ## ------------------- ##
 ## C/C++ Compilation.  ##
 ## ------------------- ##
 ## ------------------- ##
 ## C/C++ Compilation.  ##
 ## ------------------- ##


@@ -38,15 +47,30 @@ NO_WERROR_CXXFLAGS='@CXXFLAGS@ @WARN_CXXFLAGS@ @WARN_CXXFLAGS_TEST@'
   CFLAGS="$NO_WERROR_CFLAGS   @WERROR_CFLAGS@"
 CXXFLAGS="$NO_WERROR_CXXFLAGS @WERROR_CXXFLAGS@"
 
   CFLAGS="$NO_WERROR_CFLAGS   @WERROR_CFLAGS@"
 CXXFLAGS="$NO_WERROR_CXXFLAGS @WERROR_CXXFLAGS@"
 

+# C++ variants break strict aliasing analysis.
+NO_STRICT_ALIAS_CXXFLAGS='@NO_STRICT_ALIAS_CXXFLAGS@'
+

 # If 'exit 77'; skip all C++ tests; otherwise ':'.
 BISON_CXX_WORKS='@BISON_CXX_WORKS@'
 
 # If 'exit 77'; skip all C++ tests; otherwise ':'.
 BISON_CXX_WORKS='@BISON_CXX_WORKS@'
 

+# Whether the compiler supports POSIXLY_CORRECT defined.
+: ${C_COMPILER_POSIXLY_CORRECT='@C_COMPILER_POSIXLY_CORRECT@'}
+: ${CXX_COMPILER_POSIXLY_CORRECT='@CXX_COMPILER_POSIXLY_CORRECT@'}
+
+if $POSIXLY_CORRECT_IS_EXPORTED; then
+  $C_COMPILER_POSIXLY_CORRECT ||
+    BISON_C_WORKS="as_fn_error 77 POSIXLY_CORRECT"
+  $CXX_COMPILER_POSIXLY_CORRECT ||
+    BISON_CXX_WORKS="as_fn_error 77 POSIXLY_CORRECT"
+fi
+

 # Handle --compile-c-with-cxx here, once CXX and CXXFLAGS are known.
 if "$at_arg_compile_c_with_cxx"; then
   CC_IS_CXX=1
   CC=$CXX
   NO_WERROR_CFLAGS=$NO_WERROR_CXXFLAGS
   CFLAGS=$CXXFLAGS
 # Handle --compile-c-with-cxx here, once CXX and CXXFLAGS are known.
 if "$at_arg_compile_c_with_cxx"; then
   CC_IS_CXX=1
   CC=$CXX
   NO_WERROR_CFLAGS=$NO_WERROR_CXXFLAGS
   CFLAGS=$CXXFLAGS

+  BISON_C_WORKS=$BISON_CXX_WORKS

 else
   CC_IS_CXX=0
 fi
 else
   CC_IS_CXX=0
 fi


@@ -62,8 +86,9 @@ CONF_JAVAC='@CONF_JAVAC@'
 # Empty if no Java VM was found
 CONF_JAVA='@CONF_JAVA@'
 
 # Empty if no Java VM was found
 CONF_JAVA='@CONF_JAVA@'
 

-# We need egrep.
+# We need egrep and perl.

 : ${EGREP='@EGREP@'}
 : ${EGREP='@EGREP@'}

+: ${PERL='@PERL@'}

 
 # Use simple quotes (lib/quote.c).
 LC_CTYPE=C
 
 # Use simple quotes (lib/quote.c).
 LC_CTYPE=C


@@ -78,4 +103,12 @@ LIBS="$abs_top_builddir/lib/libbison.a @LIBS@ @INTLLIBS@"
 # Empty if no xsltproc was found
 : ${XSLTPROC='@XSLTPROC@'}
 
 # Empty if no xsltproc was found
 : ${XSLTPROC='@XSLTPROC@'}
 

-: ${PERL='@PERL@'}
+# Don't just check if $POSIXLY_CORRECT is set, as Bash, when launched
+# as /bin/sh, sets the shell variable POSIXLY_CORRECT to y, but not
+# the environment variable.
+: ${C_COMPILER_POSIXLY_CORRECT='@C_COMPILER_POSIXLY_CORRECT@'}
+if env | grep '^POSIXLY_CORRECT=' >/dev/null; then
+  POSIXLY_CORRECT_IS_EXPORTED=true
+else
+  POSIXLY_CORRECT_IS_EXPORTED=false
+fi