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configure.ac: Check swig supports python and/or ruby
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Add extra checks for building the python and ruby bindings.

Also use the AS_IF and AS_CASE constructs instead of raw shell syntax.
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@ian-abbott
ian-abbott committed Jul 12, 2022
1 parent ba778bc commit 539dbb4
Showing 1 changed file with 91 additions and 83 deletions.
174 changes: 91 additions & 83 deletions configure.ac
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Expand Up @@ -103,6 +103,7 @@ AM_PROG_LEX
AC_PROG_YACC
AC_PROG_LIBTOOL
AC_PROG_MKDIR_P
AC_PROG_EGREP

AC_HEADER_STDC([])

Expand All @@ -123,29 +124,36 @@ AC_ARG_ENABLE(swig,
[AS_HELP_STRING([--disable-swig],
[Disable swig-generated language bindings])],
[ENABLE_SWIG=$enableval],[ENABLE_SWIG="yes"])
if test "x$ENABLE_SWIG" != "xyes"; then
AS_IF([test "x$ENABLE_SWIG" != "xyes"],
[
SWIG=
USE_SWIG="no (disabled)"
else
AX_PKG_SWIG(2.0.0, [], [USE_SWIG="no (not available)"])
fi
if test "x$SWIG" != "x" ; then
USE_SWIG="yes"
fi
],
[AX_PKG_SWIG(2.0.0, [], [USE_SWIG="no (not available)"])])
AS_IF([test "x$SWIG"] != "x"], [USE_SWIG="yes"])
AM_CONDITIONAL(HAVE_SWIG, [test "$USE_SWIG" = "yes"])

#python
AC_ARG_ENABLE([python-binding],
[AS_HELP_STRING([--disable-python-binding],
[Disable building of Python binding])],
[ENABLE_PYTHON=$enableval],[ENABLE_PYTHON="yes"])
if test "$ENABLE_PYTHON" = "yes" && test "$USE_SWIG" = "yes"; then
AS_IF([test "x$ENABLE_PYTHON" != "xyes"],
[USE_PYTHON="no (disabled)"],
[test "x$USE_SWIG" != "xyes"],
[USE_PYTHON="no (swig disabled)"],
[test `$SWIG -help 2>&1 | $EGREP -c '\-python *- Generate'` = 0],
[USE_PYTHON="no (swig does not support -python option)"],
[
AM_PATH_PYTHON
AM_CHECK_PYTHON_HEADERS(HAVE_PYTHON=yes,[HAVE_PYTHON=no;AC_MSG_WARN([python headers not found, disabling python binding])])
else
HAVE_PYTHON="no"
fi
AM_CONDITIONAL(HAVE_PYTHON, [test "$HAVE_PYTHON" = "yes" && test "$ENABLE_PYTHON" = "yes"])
AM_CHECK_PYTHON_HEADERS(
[USE_PYTHON="yes"],
[
USE_PYTHON="no (python headers not found)"
AC_MSG_WARN([python headers not found, disabling python binding])
])
])
AM_CONDITIONAL(HAVE_PYTHON, [test "$USE_PYTHON" = "yes"])

AS_COMPILER_FLAG([-fno-strict-aliasing],[PYTHON_QUIET="$PYTHON_QUIET -fno-strict-aliasing"], true )
AS_COMPILER_FLAG([-Wno-unused-function],[PYTHON_QUIET="$PYTHON_QUIET -Wno-unused-function"], true )
Expand All @@ -156,26 +164,30 @@ AC_ARG_ENABLE([ruby-binding],
[AS_HELP_STRING([--enable-ruby-binding],
[Enable building of Ruby binding])],
[ENABLE_RUBY=$enableval], [ENABLE_RUBY="no"])
if test "$ENABLE_RUBY" = "yes" && test "$USE_SWIG" = "yes"; then
AS_IF([test "x$ENABLE_RUBY" != "xyes"],
[USE_RUBY="no (disabled)"],
[test "x$USE_SWIG" != "xyes"],
[USE_RUBY="no (swig disabled)"],
[test `$SWIG -help 2>&1 | $EGREP -c '\-ruby *- Generate'` = 0],
[USE_RUBY="no (swig does not support -ruby option)"],
[
AX_RUBY_EXT
if test "x$RUBY" = "x"; then
AS_IF([test "x$RUBY" = "x"],
[
USE_RUBY="no"
AC_MSG_WARN([ruby not found, disabling ruby binding])
ENABLE_RUBY="no"
fi
else
ENABLE_RUBY="no"
fi
],
[USE_RUBY="yes"])
])

AM_CONDITIONAL(HAVE_RUBY, [test "$ENABLE_RUBY" = "yes"])
AM_CONDITIONAL(HAVE_RUBY, [test "$USE_RUBY" = "yes"])

AC_ARG_VAR(RUBY_PREFIX,[path prefix for Ruby binding])
AC_ARG_VAR(RUBY_SO_DIR,[path for Ruby extensions])
if test "$RUBY_PREFIX" != "" ; then
RUBY_CONFIG_OPTIONS="$RUBY_CONFIG_OPTIONS --prefix=\$(RUBY_PREFIX)"
fi
if test "$RUBY_SO_DIR" != "" ; then
RUBY_CONFIG_OPTIONS="$RUBY_CONFIG_OPTIONS --so-dir=\$(RUBY_SO_DIR)"
fi
AS_IF([test "x$RUBY_PREFIX" != "x"],
[RUBY_CONFIG_OPTIONS="$RUBY_CONFIG_OPTIONS --prefix=\$(RUBY_PREFIX)"])
AS_IF([test "x$RUBY_SO_DIR" != "x"],
[RUBY_CONFIG_OPTIONS="$RUBY_CONFIG_OPTIONS --so-dir=\$(RUBY_SO_DIR)"])
AC_SUBST(RUBY_CONFIG_OPTIONS)

# scxi
Expand All @@ -189,62 +201,60 @@ AC_ARG_ENABLE([docbook],
[AS_HELP_STRING([--disable-docbook], [Disable docbook])],
[ENABLE_DOCBOOK=$enableval],[ENABLE_DOCBOOK="yes"])

if test "$ENABLE_DOCBOOK" = "yes"; then
AS_IF([test "$ENABLE_DOCBOOK" = "yes"],
[
AC_PATH_PROG(XMLTO, xmlto, no)
if test "$XMLTO" = "no" ; then
AC_MSG_WARN([xmlto not found, will not be able to rebuild documentation])
fi
else
XMLTO="no"
fi

if test "$XMLTO" != "no"; then
AS_IF([test "$XMLTO" = "no"],
[AC_MSG_WARN([xmlto not found, will not be able to rebuild documentation])])
],
[XMLTO="no"])

AS_IF([test "$XMLTO" != "no"],
[
AC_ARG_WITH([pdf-backend],
[AS_HELP_STRING([--with-pdf-backend=[[yes|no|dblatex|fop|default]]],
[Enable or disable PDF generation with backend])],
[WITH_PDF_BACKEND=$withval],[WITH_PDF_BACKEND="yes"])
case "$WITH_PDF_BACKEND" in
no)
PDF_BACKEND="no"
;;
yes)
AS_CASE([$WITH_PDF_BACKEND],
[no],
[PDF_BACKEND="no"],
[yes],
[
# Prefer dblatex, then default backend.
# Could use [dblatex fop] to prefer dblatex or fop.
AC_CHECK_PROGS([PDF_BACKEND], [dblatex], [default])
# The default backend is broken, so avoid it for now.
if test "$PDF_BACKEND" = "default"; then
AS_IF([test "$PDF_BACKEND" = "default"],
[
AC_MSG_WARN([Default PDF backend is broken, disabling PDF generation])
AC_MSG_WARN([(dblatex is recommended for PDF generation)])
PDF_BACKEND="no"
fi
if test "$PDF_BACKEND" != "no"; then
AC_MSG_NOTICE([Will use $PDF_BACKEND backend for PDF generation])
fi
;;
default)
])
AS_IF([test "$PDF_BACKEND" != "no"],
[AC_MSG_NOTICE([Will use $PDF_BACKEND backend for PDF generation])])
],
[default],
[
# Use xmlto's default backend.
PDF_BACKEND="default"
;;
dblatex|fop)
],
[dblatex|fop],
[
AC_CHECK_PROG([PDF_BACKEND], [$WITH_PDF_BACKEND],
[$WITH_PDF_BACKEND], [no])
if test "$PDF_BACKEND" = "no"; then
AC_MSG_WARN([$WITH_PDF_BACKEND not found, disabling PDF generation])
fi
;;
*)
AS_IF([test "$PDF_BACKEND" = "no"],
[AC_MSG_WARN([$WITH_PDF_BACKEND not found, disabling PDF generation])])
],
[
AC_MSG_WARN([Bad --with-pdf-backend option, disabling PDF generation])
PDF_BACKEND="no"
;;
esac
else
PDF_BACKEND="no"
fi
case $PDF_BACKEND in
fop|default)
AC_MSG_WARN([$PDF_BACKEND PDF backend might not work. --without-pdf-backend disables PDF generation.])
;;
esac
])
],
[PDF_BACKEND="no"])

AS_CASE([$PDF_BACKEND],
[fop|default],
[AC_MSG_WARN([$PDF_BACKEND PDF backend might not work. --without-pdf-backend disables PDF generation.])])
AM_CONDITIONAL(HAVE_XMLTO, [test "$XMLTO" != "no"])
AM_CONDITIONAL(BUILD_PDF, [test "$PDF_BACKEND" != "no"])
AM_CONDITIONAL(BUILD_PDF_USING_DBLATEX, [test "$PDF_BACKEND" = "dblatex"])
Expand All @@ -263,28 +273,26 @@ AC_ARG_WITH([udev-hotplug],
[AS_HELP_STRING([--with-udev-hotplug=[[/lib]]], [enable udev hotplug])],
[ENABLE_UDEVHOTPLUG=$withval], [ENABLE_UDEVHOTPLUG="no"])
AM_CONDITIONAL(INSTALL_UDEVHOTPLUG, [test "$ENABLE_UDEVHOTPLUG" != "no"])
if test "$ENABLE_UDEVHOTPLUG" != "no"; then
if test "$ENABLE_UDEVHOTPLUG" = "yes"; then
AC_MSG_ERROR([udev-hotplug needs a path as an argument (usually: --enable-udev-hotplug=/lib).])
fi
if test "$ENABLE_UDEVHOTPLUG" != "/lib"; then
AC_MSG_WARN([Installing the udev scripts in the non-standard location: $ENABLE_UDEVHOTPLUG (should be --enable-udev-hotplug=/lib)])
fi
AS_IF([test "$ENABLE_UDEVHOTPLUG" != "no"],
[
AS_IF([test "$ENABLE_UDEVHOTPLUG" = "yes"],
[AC_MSG_ERROR([udev-hotplug needs a path as an argument (usually: --enable-udev-hotplug=/lib).])])
AS_IF([test "$ENABLE_UDEVHOTPLUG" != "/lib"],
[AC_MSG_WARN([Installing the udev scripts in the non-standard location: $ENABLE_UDEVHOTPLUG (should be --enable-udev-hotplug=/lib)])])
udevrulesdir="$ENABLE_UDEVHOTPLUG/udev/rules.d/"
udevscriptsdir="$ENABLE_UDEVHOTPLUG/udev"
AC_SUBST(udevrulesdir)
AC_SUBST(udevscriptsdir)
if test "$ENABLE_FIRMWARE" = "yes"; then
udevfirmwaredir="$ENABLE_UDEVHOTPLUG/firmware"
AC_SUBST(udevfirmwaredir)
fi
else
ENABLE_UDEVHOTPLUG="no"
fi

if test "$ENABLE_UDEVHOTPLUG" = "no" ; then
AC_MSG_WARN([No hotplug mechanism will be installed. Consult ./configure --help if you want hotplug.])
fi
AS_IF([test "$ENABLE_FIRMWARE" = "yes"],
[
udevfirmwaredir="$ENABLE_UDEVHOTPLUG/firmware"
AC_SUBST(udevfirmwaredir)
])
],
[ENABLE_UDEVHOTPLUG="no"])

AS_IF([test "$ENABLE_UDEVHOTPLUG" = "no"],
[AC_MSG_WARN([No hotplug mechanism will be installed. Consult ./configure --help if you want hotplug.])])

AC_CONFIG_FILES(
Makefile
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