configure.ac - third_party/yasm - Git at Google

 # Process this file with autoconf to produce a configure script.
 # $Id$

 #
 # autoconf setup
 #
 AC_PREREQ(2.53)
 AC_INIT([yasm], [HEAD], [bug-yasm@tortall.net])
 #AC_CONFIG_SRCDIR([src/main.c])
 AC_CONFIG_AUX_DIR(config)
 AM_CONFIG_HEADER([config.h])

 AM_INIT_AUTOMAKE(yasm, [0.4.0])
 AM_MAINTAINER_MODE

 #
 # autoconf command-line options
 #
 AC_ARG_ENABLE(debug,
 AC_HELP_STRING([--enable-debug],
 	       [Turn on debugging and compile time warnings]),
 [case "${enableval}" in
   yes) debugging="yes" ;;
   no)  debugging="no" ;;
   *) AC_MSG_ERROR([bad value ${enableval} for --enable-debug]) ;;
 esac])

 AC_ARG_ENABLE(warnerror,
 AC_HELP_STRING([--enable-warnerror],[Treat GCC warnings as errors]),
 [case "${enableval}" in
   yes) warnerror="yes" ;;
   no)  warnerror="no" ;;
   *) AC_MSG_ERROR([bad value ${enableval} for --enable-warnerror]) ;;
 esac])

 AC_ARG_ENABLE(profiling,
 AC_HELP_STRING([--enable-profiling],[Enable profiling (requires GCC)]),
 [case "${enableval}" in
   yes) profiling="yes" ;;
   no)  profiling="no" ;;
   *) AC_MSG_ERROR([bad value ${enableval} for --enable-profiling]) ;;
 esac])

 AC_ARG_ENABLE(gcov,
 AC_HELP_STRING([--enable-gcov],[Enable gcov code coverage (requires GCC)]),
 [case "${enableval}" in
   yes) gcov="yes" ;;
   no)  gcov="no" ;;
   *) AC_MSG_ERROR([bad value ${enableval} for --enable-gcov]) ;;
 esac])

 #
 # Checks for programs.
 #
 AC_PROG_YACC
 # check for Bison in particular
 if test "$YACC" != "bison -y"; then
     	AC_MSG_WARN([You will need bison if you want to regenerate parsers.])
 else
     	AC_MSG_CHECKING([bison version])
 	set `bison --version | sed -e 's/^@<:@A-Za-z() @:>@*//' -e 's/\./ /'`
 	if test "$1" = "1" -a "$2" -lt "25"; then
 	    	AC_MSG_WARN([You will need bison 1.25 or better if you want to regenerate parsers (found $1.$2).])
 	fi
 	AC_MSG_RESULT([$1.$2 (ok)])
 fi
 AC_PROG_CC_STDC
 AC_PROG_INSTALL
 AC_PROG_LN_S

 # Libtool
 AC_LIBTOOL_DLOPEN
 AC_LIBTOOL_WIN32_DLL
 AC_LIBLTDL_CONVENIENCE
 AC_PROG_LIBTOOL
 AC_SUBST([LIBTOOL_DEPS])

 # REQUIRE a standard (ANSI/ISO) C compiler
 if test "$ac_cv_prog_cc_stdc" = no; then
 	AC_MSG_ERROR([A standard (ANSI/ISO C89) C compiler is required.])
 fi

 # Check for xmlto (for rendering manpages, needed only for development)
 AC_CHECK_PROGS([XMLTO], [$XMLTO xmlto], [:])
 if test "$XMLTO" = ":"; then
   AC_MSG_WARN([xmlto not found, manpages will not be rebuilt.])
 fi
 AM_CONDITIONAL(BUILD_MAN, test "$XMLTO" != ":")

 # Check for compiler output filename suffixes.
 AC_OBJEXT
 AC_EXEEXT

 #
 # Checks for libraries.
 #
 AM_WITH_DMALLOC

 #
 # Checks for header files.
 #
 AC_HEADER_STDC
 AC_HEADER_SYS_WAIT
 AC_CHECK_HEADERS([alloca.h limits.h sys/cdefs.h sys/ipc.h sys/msg.h sys/param.h sys/types.h sys/queue.h unistd.h libgen.h])

 # REQUIRE standard C headers
 if test "$ac_cv_header_stdc" != yes; then
 	AC_MSG_ERROR([Standard (ANSI/ISO C89) header files are required.])
 fi

 #
 # Checks for typedefs, structures, and compiler characteristics.
 #
 AC_C_CONST
 AC_C_INLINE
 AC_C_PROTOTYPES
 # PID_T is used by the test suite (not required).
 AC_TYPE_PID_T
 AC_TYPE_SIZE_T

 #
 # Checks for library functions.
 #
 AC_FUNC_FORK
 AC_FUNC_VPRINTF
 AC_CHECK_FUNCS([abort memcpy memmove strrchr toascii vsnprintf])
 AC_CHECK_FUNCS([strsep mergesort])
 # Look for the case-insensitive comparison functions
 AC_CHECK_FUNCS([strcasecmp strncasecmp stricmp strcmpi])
 # Check for stuff wanted by the test suite.  None of this is required.
 AC_CHECK_FUNCS([msgctl msgget msgrcv msgsnd strerror snprintf wait])
 AC_REPLACE_FUNCS([basename dirname])
 AC_LIB_LTDL

 #
 # Check for gettext() and other i18n/l10n things.
 #
 ALL_LINGUAS=""
 AM_GNU_GETTEXT([external])
 # autoheader templates for AM_GNU_GETTEXT checks.
 AH_TEMPLATE([ENABLE_NLS], [])
 AH_TEMPLATE([HAVE_CATGETS], [])
 AH_TEMPLATE([HAVE_GETTEXT], [])
 AH_TEMPLATE([HAVE_LC_MESSAGES], [])
 AH_TEMPLATE([HAVE_STPCPY], [])

 # Check for GNU C Library
 AH_TEMPLATE([HAVE_GNU_C_LIBRARY], [Define if you have the GNU C Library])
 AC_CACHE_CHECK([for GNU C Library], yasm_cv_header_gnulib,
 	AC_EGREP_CPP(gnulib,
 	[#include <features.h>
 	#ifdef __GNU_LIBRARY__
 	  gnulib
 	#endif
 	], yasm_cv_header_gnulib=yes, yasm_cv_header_gnulib=no))
 if test "$yasm_cv_header_gnulib" = yes; then
 	AC_DEFINE([HAVE_GNU_C_LIBRARY])
 fi

 # Force x86 architecture only for now.
 ARCH=x86
 AC_SUBST([ARCH])

 # Require things for --enable-maintainer-mode option.
 if test "$USE_MAINTAINER_MODE" = "yes"; then
   # Enable debugging
   if test "$debugging" != "no"; then
     debugging=yes
   fi

   # Enable more warnings
   if test "$GCC" = "yes"; then
     MORE_CFLAGS="$MORE_CFLAGS -Waggregate-return -Wbad-function-cast -Wcast-align -Wcast-qual -Wconversion -Winline -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wshadow -Wsign-compare -Wstrict-prototypes -Wwrite-strings"
   fi
 fi

 #
 # Add some more CFLAGS for various options.
 #

 # "Check" tests can use fork/wait/msg* if ALL are available.
 AH_TEMPLATE([USE_FORKWAITMSG], [Combined test for fork/wait/msg*])
 if ${check}; then
   if test "$ac_cv_func_fork" = yes &&
      test "$ac_cv_func_wait" = yes &&
      test "$ac_cv_func_msgctl" = yes &&
      test "$ac_cv_func_msgget" = yes &&
      test "$ac_cv_func_msgrcv" = yes &&
      test "$ac_cv_func_msgsnd" = yes; then
     AC_DEFINE([USE_FORKWAITMSG])
     AC_DEFINE([_GNU_SOURCE], 1,
 	      [Make sure we see all GNU extensions.])
     AC_DEFINE([_SVID_SOURCE], 1,
 	      [Make sure we see all SVID extensions.])
   fi
 fi

 if test "$debugging" = "no" ; then
   changequote(,)
   CFLAGS="`echo $CFLAGS' ' | sed -e 's/-g[0-9] //g' | sed -e 's/-g//g'`"
   changequote([,])
 fi

 # Turn warnings into errors
 if test "$warnerror" = "yes"; then
   if test "$GCC" = "yes"; then
     MORE_CFLAGS="$MORE_CFLAGS -Werror"
   fi
 fi

 # Enable output of profiling information
 if test "$profiling" = "yes"; then
   if test "$GCC" = "yes"; then
     MORE_CFLAGS="$MORE_CFLAGS -pg"
   fi
 fi

 # Enable output of gcov information
 if test "$gcov" = "yes"; then
   if test "$GCC" = "yes"; then
     MORE_CFLAGS="$MORE_CFLAGS -fprofile-arcs -ftest-coverage"
   fi
 fi

 # If we're using GCC, then we can turn on -ansi -pedantic -Wall too.
 if test "$GCC" = yes; then
   MORE_CFLAGS="-ansi -pedantic -Wall $MORE_CFLAGS"
 fi
 AC_SUBST(MORE_CFLAGS)

 # Substitutions for libltdl
 AC_SUBST(INCLTDL)
 AC_SUBST(LIBLTDL)

 #
 # Cross-building
 #
 if test "$cross_compiling" = "yes"; then
     AC_MSG_CHECKING([cc for build])
     CC_FOR_BUILD="${CC_FOR_BUILD-PATH=/usr/bin:$PATH cc}"
     AC_MSG_RESULT($CC_FOR_BUILD)
     CCLD_FOR_BUILD="$CC_FOR_BUILD"
 else
     CC_FOR_BUILD="${CC_FOR_BUILD-$CC}"
     CCLD_FOR_BUILD="${CCLD_FOR_BUILD-$CC}"
 fi

 AC_ARG_VAR(CC_FOR_BUILD,[build system C compiler])
 AC_ARG_VAR(CCLD_FOR_BUILD,[build system C linker frontend])
 AC_SUBST(CC_FOR_BUILD)
 AC_SUBST(CCLD_FOR_BUILD)

 # libtool erroneously calls CC_FOR_BUILD HOST_CC;
 # --host is the platform that the package is compiled for.
 HOST_CC="$CC_FOR_BUILD"
 AC_SUBST(HOST_CC)


 AC_CONFIG_FILES([Makefile
 	libltdl/Makefile
 	m4/Makefile
 	po/Makefile.in
 ])
 AC_OUTPUT
	# Process this file with autoconf to produce a configure script.
	# $Id$

	#
	# autoconf setup
	#
	AC_PREREQ(2.53)
	AC_INIT([yasm], [HEAD], [bug-yasm@tortall.net])
	#AC_CONFIG_SRCDIR([src/main.c])
	AC_CONFIG_AUX_DIR(config)
	AM_CONFIG_HEADER([config.h])

	AM_INIT_AUTOMAKE(yasm, [0.4.0])
	AM_MAINTAINER_MODE

	#
	# autoconf command-line options
	#
	AC_ARG_ENABLE(debug,
	AC_HELP_STRING([--enable-debug],
	[Turn on debugging and compile time warnings]),
	[case "${enableval}" in
	yes) debugging="yes" ;;
	no) debugging="no" ;;
	*) AC_MSG_ERROR([bad value ${enableval} for --enable-debug]) ;;
	esac])

	AC_ARG_ENABLE(warnerror,
	AC_HELP_STRING([--enable-warnerror],[Treat GCC warnings as errors]),
	[case "${enableval}" in
	yes) warnerror="yes" ;;
	no) warnerror="no" ;;
	*) AC_MSG_ERROR([bad value ${enableval} for --enable-warnerror]) ;;
	esac])

	AC_ARG_ENABLE(profiling,
	AC_HELP_STRING([--enable-profiling],[Enable profiling (requires GCC)]),
	[case "${enableval}" in
	yes) profiling="yes" ;;
	no) profiling="no" ;;
	*) AC_MSG_ERROR([bad value ${enableval} for --enable-profiling]) ;;
	esac])

	AC_ARG_ENABLE(gcov,
	AC_HELP_STRING([--enable-gcov],[Enable gcov code coverage (requires GCC)]),
	[case "${enableval}" in
	yes) gcov="yes" ;;
	no) gcov="no" ;;
	*) AC_MSG_ERROR([bad value ${enableval} for --enable-gcov]) ;;
	esac])

	#
	# Checks for programs.
	#
	AC_PROG_YACC
	# check for Bison in particular
	if test "$YACC" != "bison -y"; then
	AC_MSG_WARN([You will need bison if you want to regenerate parsers.])
	else
	AC_MSG_CHECKING([bison version])
	set `bison --version \| sed -e 's/^@<:@A-Za-z() @:>@*//' -e 's/\./ /'`
	if test "$1" = "1" -a "$2" -lt "25"; then
	AC_MSG_WARN([You will need bison 1.25 or better if you want to regenerate parsers (found $1.$2).])
	fi
	AC_MSG_RESULT([$1.$2 (ok)])
	fi
	AC_PROG_CC_STDC
	AC_PROG_INSTALL
	AC_PROG_LN_S

	# Libtool
	AC_LIBTOOL_DLOPEN
	AC_LIBTOOL_WIN32_DLL
	AC_LIBLTDL_CONVENIENCE
	AC_PROG_LIBTOOL
	AC_SUBST([LIBTOOL_DEPS])

	# REQUIRE a standard (ANSI/ISO) C compiler
	if test "$ac_cv_prog_cc_stdc" = no; then
	AC_MSG_ERROR([A standard (ANSI/ISO C89) C compiler is required.])
	fi

	# Check for xmlto (for rendering manpages, needed only for development)
	AC_CHECK_PROGS([XMLTO], [$XMLTO xmlto], [:])
	if test "$XMLTO" = ":"; then
	AC_MSG_WARN([xmlto not found, manpages will not be rebuilt.])
	fi
	AM_CONDITIONAL(BUILD_MAN, test "$XMLTO" != ":")

	# Check for compiler output filename suffixes.
	AC_OBJEXT
	AC_EXEEXT

	#
	# Checks for libraries.
	#
	AM_WITH_DMALLOC

	#
	# Checks for header files.
	#
	AC_HEADER_STDC
	AC_HEADER_SYS_WAIT
	AC_CHECK_HEADERS([alloca.h limits.h sys/cdefs.h sys/ipc.h sys/msg.h sys/param.h sys/types.h sys/queue.h unistd.h libgen.h])

	# REQUIRE standard C headers
	if test "$ac_cv_header_stdc" != yes; then
	AC_MSG_ERROR([Standard (ANSI/ISO C89) header files are required.])
	fi

	#
	# Checks for typedefs, structures, and compiler characteristics.
	#
	AC_C_CONST
	AC_C_INLINE
	AC_C_PROTOTYPES
	# PID_T is used by the test suite (not required).
	AC_TYPE_PID_T
	AC_TYPE_SIZE_T

	#
	# Checks for library functions.
	#
	AC_FUNC_FORK
	AC_FUNC_VPRINTF
	AC_CHECK_FUNCS([abort memcpy memmove strrchr toascii vsnprintf])
	AC_CHECK_FUNCS([strsep mergesort])
	# Look for the case-insensitive comparison functions
	AC_CHECK_FUNCS([strcasecmp strncasecmp stricmp strcmpi])
	# Check for stuff wanted by the test suite. None of this is required.
	AC_CHECK_FUNCS([msgctl msgget msgrcv msgsnd strerror snprintf wait])
	AC_REPLACE_FUNCS([basename dirname])
	AC_LIB_LTDL

	#
	# Check for gettext() and other i18n/l10n things.
	#
	ALL_LINGUAS=""
	AM_GNU_GETTEXT([external])
	# autoheader templates for AM_GNU_GETTEXT checks.
	AH_TEMPLATE([ENABLE_NLS], [])
	AH_TEMPLATE([HAVE_CATGETS], [])
	AH_TEMPLATE([HAVE_GETTEXT], [])
	AH_TEMPLATE([HAVE_LC_MESSAGES], [])
	AH_TEMPLATE([HAVE_STPCPY], [])

	# Check for GNU C Library
	AH_TEMPLATE([HAVE_GNU_C_LIBRARY], [Define if you have the GNU C Library])
	AC_CACHE_CHECK([for GNU C Library], yasm_cv_header_gnulib,
	AC_EGREP_CPP(gnulib,
	[#include <features.h>
	#ifdef __GNU_LIBRARY__
	gnulib
	#endif
	], yasm_cv_header_gnulib=yes, yasm_cv_header_gnulib=no))
	if test "$yasm_cv_header_gnulib" = yes; then
	AC_DEFINE([HAVE_GNU_C_LIBRARY])
	fi

	# Force x86 architecture only for now.
	ARCH=x86
	AC_SUBST([ARCH])

	# Require things for --enable-maintainer-mode option.
	if test "$USE_MAINTAINER_MODE" = "yes"; then
	# Enable debugging
	if test "$debugging" != "no"; then
	debugging=yes
	fi

	# Enable more warnings
	if test "$GCC" = "yes"; then
	MORE_CFLAGS="$MORE_CFLAGS -Waggregate-return -Wbad-function-cast -Wcast-align -Wcast-qual -Wconversion -Winline -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wshadow -Wsign-compare -Wstrict-prototypes -Wwrite-strings"
	fi
	fi

	#
	# Add some more CFLAGS for various options.
	#

	# "Check" tests can use fork/wait/msg* if ALL are available.
	AH_TEMPLATE([USE_FORKWAITMSG], [Combined test for fork/wait/msg*])
	if ${check}; then
	if test "$ac_cv_func_fork" = yes &&
	test "$ac_cv_func_wait" = yes &&
	test "$ac_cv_func_msgctl" = yes &&
	test "$ac_cv_func_msgget" = yes &&
	test "$ac_cv_func_msgrcv" = yes &&
	test "$ac_cv_func_msgsnd" = yes; then
	AC_DEFINE([USE_FORKWAITMSG])
	AC_DEFINE([_GNU_SOURCE], 1,
	[Make sure we see all GNU extensions.])
	AC_DEFINE([_SVID_SOURCE], 1,
	[Make sure we see all SVID extensions.])
	fi
	fi

	if test "$debugging" = "no" ; then
	changequote(,)
	CFLAGS="`echo $CFLAGS' ' \| sed -e 's/-g[0-9] //g' \| sed -e 's/-g//g'`"
	changequote([,])
	fi

	# Turn warnings into errors
	if test "$warnerror" = "yes"; then
	if test "$GCC" = "yes"; then
	MORE_CFLAGS="$MORE_CFLAGS -Werror"
	fi
	fi

	# Enable output of profiling information
	if test "$profiling" = "yes"; then
	if test "$GCC" = "yes"; then
	MORE_CFLAGS="$MORE_CFLAGS -pg"
	fi
	fi

	# Enable output of gcov information
	if test "$gcov" = "yes"; then
	if test "$GCC" = "yes"; then
	MORE_CFLAGS="$MORE_CFLAGS -fprofile-arcs -ftest-coverage"
	fi
	fi

	# If we're using GCC, then we can turn on -ansi -pedantic -Wall too.
	if test "$GCC" = yes; then
	MORE_CFLAGS="-ansi -pedantic -Wall $MORE_CFLAGS"
	fi
	AC_SUBST(MORE_CFLAGS)

	# Substitutions for libltdl
	AC_SUBST(INCLTDL)
	AC_SUBST(LIBLTDL)

	#
	# Cross-building
	#
	if test "$cross_compiling" = "yes"; then
	AC_MSG_CHECKING([cc for build])
	CC_FOR_BUILD="${CC_FOR_BUILD-PATH=/usr/bin:$PATH cc}"
	AC_MSG_RESULT($CC_FOR_BUILD)
	CCLD_FOR_BUILD="$CC_FOR_BUILD"
	else
	CC_FOR_BUILD="${CC_FOR_BUILD-$CC}"
	CCLD_FOR_BUILD="${CCLD_FOR_BUILD-$CC}"
	fi

	AC_ARG_VAR(CC_FOR_BUILD,[build system C compiler])
	AC_ARG_VAR(CCLD_FOR_BUILD,[build system C linker frontend])
	AC_SUBST(CC_FOR_BUILD)
	AC_SUBST(CCLD_FOR_BUILD)

	# libtool erroneously calls CC_FOR_BUILD HOST_CC;
	# --host is the platform that the package is compiled for.
	HOST_CC="$CC_FOR_BUILD"
	AC_SUBST(HOST_CC)


	AC_CONFIG_FILES([Makefile
	libltdl/Makefile
	m4/Makefile
	po/Makefile.in
	])
	AC_OUTPUT