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build: look for Perl in configure.

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Bison uses "/usr/bin/perl" or "perl" in several places, and it does
not appear to be a problem.  But, at least to make it simpler to
change PERL on the make command line, check for perl in configure.

* configure.ac (PERL): New.
* doc/Doxyfile.in, doc/Makefile.am, tests/bison.in: Use it.
This commit is contained in:
Akim Demaille
2012-04-08 08:58:43 +02:00
parent a727e7124d
commit 45fdfd8108
4 changed files with 7 additions and 3 deletions
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4
configure.ac
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@@ -123,6 +123,10 @@ AC_PROG_GNU_M4
AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.]) AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
AC_DEFINE_UNQUOTED([M4_GNU_OPTION], ["$M4_GNU"], [Define to "-g" if GNU M4 AC_DEFINE_UNQUOTED([M4_GNU_OPTION], ["$M4_GNU"], [Define to "-g" if GNU M4
supports -g, otherwise to "".]) supports -g, otherwise to "".])
AC_PATH_PROG([PERL], [perl])
if test -z "$PERL"; then
AC_MSG_ERROR([perl not found])
fi
AM_MISSING_PROG([HELP2MAN], [help2man]) AM_MISSING_PROG([HELP2MAN], [help2man])
AC_PATH_PROG([XSLTPROC], [xsltproc]) AC_PATH_PROG([XSLTPROC], [xsltproc])
AC_SUBST([XSLTPROC]) AC_SUBST([XSLTPROC])

2
doc/Doxyfile.in
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@@ -940,7 +940,7 @@ EXTERNAL_GROUPS = YES
# The PERL_PATH should be the absolute path and name of the perl script # The PERL_PATH should be the absolute path and name of the perl script
# interpreter (i.e. the result of `which perl'). # interpreter (i.e. the result of `which perl').
PERL_PATH = /usr/bin/perl PERL_PATH = @PERL@
#--------------------------------------------------------------------------- #---------------------------------------------------------------------------
# Configuration options related to the dot tool # Configuration options related to the dot tool

2
doc/Makefile.am
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@@ -30,7 +30,7 @@ $(srcdir)/cross-options.texi: $(top_srcdir)/src/getargs.c $(CROSS_OPTIONS_PL)
$(AM_V_at)rm -f $@.tmp $(AM_V_at)rm -f $@.tmp
$(AM_V_at)cd $(top_builddir)/src && $(MAKE) $(AM_MAKEFLAGS) bison $(AM_V_at)cd $(top_builddir)/src && $(MAKE) $(AM_MAKEFLAGS) bison
$(AM_V_at)$(top_builddir)/src/bison --help \ $(AM_V_at)$(top_builddir)/src/bison --help \
| perl $(CROSS_OPTIONS_PL) $(top_srcdir)/src/scan-gram.l >$@.tmp | $(PERL) $(CROSS_OPTIONS_PL) $(top_srcdir)/src/scan-gram.l >$@.tmp
$(AM_V_at)diff -u $@~ $@.tmp || true $(AM_V_at)diff -u $@~ $@.tmp || true
$(AM_V_at)mv $@.tmp $@ $(AM_V_at)mv $@.tmp $@
MAINTAINERCLEANFILES = $(srcdir)/cross-options.texi MAINTAINERCLEANFILES = $(srcdir)/cross-options.texi

2
tests/bison.in
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@@ -19,7 +19,7 @@
abs_top_srcdir='@abs_top_srcdir@' abs_top_srcdir='@abs_top_srcdir@'
abs_top_builddir='@abs_top_builddir@' abs_top_builddir='@abs_top_builddir@'
: ${PERL=perl} : ${PERL='@PERL@'}
# Use the shipped files, not those installed. # Use the shipped files, not those installed.
BISON_PKGDATADIR=$abs_top_srcdir/data BISON_PKGDATADIR=$abs_top_srcdir/data