Change build system to support new and old GNU automake
Starting with GNU automake 1.12, the "de-ANSI-fication support" has been
removed, which ngIRCd used to enable building itself on very old systems.
Now the problem is, that using automake >= 1.12 isn't working because of
the now unsupported M4 macros. Therefore the solution that this patch
implements is to dynamically generate the automake input files with our
own ./autogen.sh script:
configure.ng => configure.in
Makefile.ng => Makefile.am
This is quite an ugly approach, but it works and enables us to:
1. use current automake >= 1.12 for development and "private builds",
2. still build distribution archives using automake 1.11.x that have
"de-ANSI-fication support" enabled in the generated Makefile's.
And if you are using Makefile's generated with a automake version newer
than 1.11.x (without "de-ANSI-fication support"), the ./configure script
warns you not to use this generated build system to generate distribution
archives.
Drawback of this patch: you MUST use our autogen.sh script, you can't call
the autoconf/automake commands directly any more; but autoreconf should
still work ...
This commit is contained in:
Alexander Barton
parent
1413a4886f
commit
192e304b94
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@ -9,6 +9,7 @@ build-stamp-ngircd*
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config.log
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config.status
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configure
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configure.in
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configure.lineno
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cscope.out
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debian
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44
autogen.sh
44
autogen.sh
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@ -16,6 +16,11 @@
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# GNU autoconf. It tries to be smart in finding the correct/usable/available
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# installed versions of these tools on your system.
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#
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# In addition, it enables or disables the "de-ANSI-fication" support of GNU
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# automake, which is supported up to autoconf 1.11.x an has been removed
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# in automake 1.12 -- make sure to use a version of automake supporting it
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# when generating distribution archives!
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#
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# The following strategy is used for each of aclocal, autoheader, automake,
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# and autoconf: first, "tool" (the regular name of the tool, e. g. "autoconf"
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# or "automake") is checked. If this fails, "tool<major><minor>" (for example
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@ -129,7 +134,7 @@ fi
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# Try to detect the needed tools when no environment variable already
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# specifies one:
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echo "Searching tools ..."
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echo "Searching for required tools ..."
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[ -z "$ACLOCAL" ] && ACLOCAL=`Search aclocal 1`
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[ "$VERBOSE" = "1" ] && echo " - ACLOCAL=$ACLOCAL"
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[ -z "$AUTOHEADER" ] && AUTOHEADER=`Search autoheader 2`
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@ -139,9 +144,8 @@ echo "Searching tools ..."
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[ -z "$AUTOCONF" ] && AUTOCONF=`Search autoconf 2`
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[ "$VERBOSE" = "1" ] && echo " - AUTOCONF=$AUTOCONF"
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# Call ./configure when parameters have been passed to this script and
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# GO isn't already defined.
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[ -z "$GO" -a $# -gt 0 ] && GO=1
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[ $# -gt 0 ] && CONFIGURE_ARGS=" $@" || CONFIGURE_ARGS=""
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[ -z "$GO" -a -n "$CONFIGURE_ARGS" ] && GO=1
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# Verify that all tools have been found
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[ -z "$ACLOCAL" ] && Notfound aclocal
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@ -149,10 +153,37 @@ echo "Searching tools ..."
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[ -z "$AUTOMAKE" ] && Notfound automake
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[ -z "$AUTOCONF" ] && Notfound autoconf
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AM_VERSION=`$AUTOMAKE --version | egrep -o "([0-9]+\.[0-9]+\.[0-9]+)"`
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ifs=$IFS; IFS="."; set $AM_VERSION; IFS=$ifs
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AM_MAJOR="$1"; AM_MINOR="$2"; AM_PATCHLEVEL="$3"
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AM_MAKEFILES="src/ipaddr/Makefile.ng src/ngircd/Makefile.ng src/testsuite/Makefile.ng src/tool/Makefile.ng"
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if [ "$AM_MAJOR" -eq "1" -a "$AM_MINOR" -lt "12" ]; then
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# automake < 1.12 => automatic de-ANSI-fication support available
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echo "Enabling de-ANSI-fication support (automake $AM_VERSION) ..."
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sed -e "s|^__ng_PROTOTYPES__|AM_C_PROTOTYPES|g" configure.ng >configure.in
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DEANSI_START=""
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DEANSI_END=""
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else
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# automake >= 1.12 => no de-ANSI-fication support available
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echo "Disabling de-ANSI-fication support (automake $AM_VERSION) ..."
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sed -e "s|^__ng_PROTOTYPES__|AC_C_PROTOTYPES|g" configure.ng >configure.in
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DEANSI_START="#"
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DEANSI_END=" # disabled by ./autogen.sh script"
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fi
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sed -e "s|^__ng_Makefile_am_template__|${DEANSI_START}AUTOMAKE_OPTIONS = ansi2knr${DEANSI_END}|g" \
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src/portab/Makefile.ng >src/portab/Makefile.am
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for makefile_ng in $AM_MAKEFILES; do
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makefile_am=`echo "$makefile_ng" | sed -e "s|\.ng\$|\.am|g"`
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sed -e "s|^__ng_Makefile_am_template__|${DEANSI_START}AUTOMAKE_OPTIONS = ../portab/ansi2knr${DEANSI_END}|g" \
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$makefile_ng >$makefile_am
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done
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export ACLOCAL AUTOHEADER AUTOMAKE AUTOCONF
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# Generate files
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echo "Generating files ..."
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echo "Generating files using GNU $AUTOCONF and $AUTOMAKE ..."
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Run $ACLOCAL && \
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Run $AUTOCONF && \
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Run $AUTOHEADER && \
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@ -164,8 +195,7 @@ if [ $? -eq 0 -a -x ./configure ]; then
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NAME=`grep PACKAGE_STRING= configure | cut -d"'" -f2`
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if [ "$GO" = "1" ]; then
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[ -n "$PREFIX" ] && p=" --prefix=$PREFIX" || p=""
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[ -n "$*" ] && a=" $*" || a=""
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c="./configure${p}${a}"
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c="./configure${p}${CONFIGURE_ARGS}"
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echo "Okay, autogen.sh for $NAME done."
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echo "Calling \"$c\" ..."
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$c
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@ -61,7 +61,7 @@ AC_PROG_RANLIB
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AC_C_CONST
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AC_C_INLINE
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AM_C_PROTOTYPES
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__ng_PROTOTYPES__
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# -- Hard coded system and compiler dependencies/features/options ... --
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@ -674,4 +674,12 @@ echo "$x_ssl_lib"
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echo
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if ! grep "^AUTOMAKE_OPTIONS = ../portab/ansi2knr" src/ngircd/Makefile.am >/dev/null 2>&1; then
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echo "WARNING:"
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echo "This GNU automake generated build system does not support \"de-ANSI-fication\","
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echo "therefore don't use it to generate \"official\" distribution archives!"
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echo "(Most probably you want to use GNU automake 1.11.x for this purpose ...)"
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echo
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fi
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# -eof-
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@ -0,0 +1 @@
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Makefile.am
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@ -3,7 +3,7 @@
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# (c) 2008 Florian Westphal <fw@strlen.de>, public domain.
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#
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AUTOMAKE_OPTIONS = ../portab/ansi2knr
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__ng_Makefile_am_template__
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INCLUDES = -I$(srcdir)/../portab
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@ -1,3 +1,4 @@
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Makefile.am
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check-help
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check-version
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ngircd
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@ -9,7 +9,7 @@
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# Please read the file COPYING, README and AUTHORS for more information.
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#
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AUTOMAKE_OPTIONS = ../portab/ansi2knr
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__ng_Makefile_am_template__
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INCLUDES = -I$(srcdir)/../portab -I$(srcdir)/../tool -I$(srcdir)/../ipaddr
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@ -1 +1,2 @@
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Makefile.am
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portabtest
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@ -10,7 +10,7 @@
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# der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
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#
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AUTOMAKE_OPTIONS = ansi2knr
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__ng_Makefile_am_template__
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noinst_LIBRARIES = libngportab.a
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@ -1,3 +1,4 @@
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Makefile.am
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T-ngircd1
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T-ngircd2
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channel-test
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@ -10,7 +10,7 @@
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# der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
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#
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AUTOMAKE_OPTIONS = ../portab/ansi2knr
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__ng_Makefile_am_template__
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INCLUDES = -I$(srcdir)/../portab
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@ -0,0 +1 @@
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Makefile.am
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@ -9,7 +9,7 @@
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# Please read the file COPYING, README and AUTHORS for more information.
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#
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AUTOMAKE_OPTIONS = ../portab/ansi2knr
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__ng_Makefile_am_template__
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INCLUDES = -I$(srcdir)/../portab
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