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build: flex.m4: quote properly.

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* m4/flex.m4: Use quotes more systematically.
This commit is contained in:
Akim Demaille
2012-04-10 21:19:59 +02:00
parent 22cd137bc9
commit a4e4295ad2
1 changed files with 6 additions and 5 deletions
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11
m4/flex.m4
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@@ -12,7 +12,7 @@ AN_MAKEVAR([LEX], [AC_PROG_LEX])
AN_PROGRAM([lex], [AC_PROG_LEX]) AN_PROGRAM([lex], [AC_PROG_LEX])
AN_PROGRAM([flex], [AC_PROG_LEX]) AN_PROGRAM([flex], [AC_PROG_LEX])
AC_DEFUN_ONCE([AC_PROG_LEX], AC_DEFUN_ONCE([AC_PROG_LEX],
[AC_CHECK_PROGS(LEX, flex lex, :) [AC_CHECK_PROGS([LEX], [flex lex], [:])
if test "x$LEX" != "x:"; then if test "x$LEX" != "x:"; then
_AC_PROG_LEX_YYTEXT_DECL _AC_PROG_LEX_YYTEXT_DECL
fi]) fi])
@@ -43,7 +43,7 @@ main (void)
return ! yylex () + ! yywrap (); return ! yylex () + ! yywrap ();
} }
]_ACEOF ]_ACEOF
_AC_DO_VAR(LEX conftest.l) _AC_DO_VAR([LEX conftest.l])
AC_CACHE_CHECK([lex output file root], [ac_cv_prog_lex_root], [ AC_CACHE_CHECK([lex output file root], [ac_cv_prog_lex_root], [
if test -f lex.yy.c; then if test -f lex.yy.c; then
ac_cv_prog_lex_root=lex.yy ac_cv_prog_lex_root=lex.yy
@@ -68,9 +68,10 @@ if test -z "${LEXLIB+set}"; then
]) ])
test "$ac_cv_lib_lex" != 'none needed' && LEXLIB=$ac_cv_lib_lex test "$ac_cv_lib_lex" != 'none needed' && LEXLIB=$ac_cv_lib_lex
fi fi
AC_SUBST(LEXLIB) AC_SUBST([LEXLIB])
AC_CACHE_CHECK(whether yytext is a pointer, ac_cv_prog_lex_yytext_pointer, AC_CACHE_CHECK([whether yytext is a pointer],
[ac_cv_prog_lex_yytext_pointer],
[# POSIX says lex can declare yytext either as a pointer or an array; the [# POSIX says lex can declare yytext either as a pointer or an array; the
# default is implementation-dependent. Figure out which it is, since # default is implementation-dependent. Figure out which it is, since
# not all implementations provide the %pointer and %array declarations. # not all implementations provide the %pointer and %array declarations.
@@ -85,7 +86,7 @@ LIBS=$ac_save_LIBS
]) ])
dnl dnl
if test $ac_cv_prog_lex_yytext_pointer = yes; then if test $ac_cv_prog_lex_yytext_pointer = yes; then
AC_DEFINE(YYTEXT_POINTER, 1, AC_DEFINE([YYTEXT_POINTER], [1],
[Define to 1 if `lex' declares `yytext' as a `char *' by default, [Define to 1 if `lex' declares `yytext' as a `char *' by default,
not a `char[]'.]) not a `char[]'.])
fi fi