mxml/configure.ac
Michael R Sweet 99aecba0d9
Drop HP-UX, IRIX support for shared libraries.
Fix installation of man page.
2019-01-07 12:05:16 -05:00

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dnl
dnl Configuration script for Mini-XML, a small XML-like file parsing library.
dnl
dnl https://www.msweet.org/mxml
dnl
dnl Copyright © 2003-2019 by Michael R Sweet.
dnl
dnl Licensed under Apache License v2.0. See the file "LICENSE" for more
dnl information.
dnl
dnl Package name and version...
AC_INIT([Mini-XML], [3.0], [https://github.com/michaelrsweet/mxml/issues], [mxml], [https://michaelrsweet.github.io/mxml])
dnl This line is provided to ensure that you don't run the autoheader program
dnl against this project. Doing so is completely unsupported and WILL cause
dnl problems!
AH_TOP([#error "Somebody ran autoheader on this project which is unsupported and WILL cause problems."])
dnl Get the build and host platforms and split the host_os value
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
[host_os_name=`echo $host_os | sed -e '1,$s/[0-9.]*$//g'`]
[host_os_version=`echo $host_os | sed -e '1,$s/^[^0-9.]*//g'`]
dnl Set the name of the config header file...
AC_CONFIG_HEADER(config.h)
dnl Version number...
VERSION="AC_PACKAGE_VERSION"
AC_SUBST(VERSION)
AC_DEFINE_UNQUOTED(MXML_VERSION, "Mini-XML v$VERSION")
dnl Clear default debugging options and set normal optimization by
dnl default unless the user asks for debugging specifically.
CFLAGS="${CFLAGS:=}"
CXXFLAGS="${CXXFLAGS:=}"
LDFLAGS="${LDFLAGS:=}"
AC_SUBST(LDFLAGS)
AC_ARG_WITH(ansi, [ --with-ansi set full ANSI C mode, default=no],
use_ansi="$withval",
use_ansi="no")
AC_ARG_WITH(archflags, [ --with-archflags set additional architecture flags, default=none],
ARCHFLAGS="$withval",
ARCHFLAGS="")
AC_SUBST(ARCHFLAGS)
AC_ARG_WITH(optim, [ --with-optim set additional optimization flags, default=none],
OPTIM="$withval",
OPTIM="")
AC_SUBST(OPTIM)
AC_ARG_ENABLE(debug, [ --enable-debug turn on debugging, default=no],
if eval "test x$enable_debug = xyes"; then
OPTIM="$OPTIM -g"
fi)
AC_ARG_WITH(docdir, [ --with-docdir set directory for documentation, default=${prefix}/share/doc/mxml],
docdir="$withval",
docdir="NONE")
AC_SUBST(docdir)
AC_ARG_WITH(vsnprintf, [ --with-vsnprintf use vsnprintf emulation functions, default=auto],
use_vsnprintf="$withval",
use_vsnprintf="no")
dnl Checks for programs...
AC_PROG_CC
AC_PROG_CXX
AC_PROG_INSTALL
if test "$INSTALL" = "$ac_install_sh"; then
# Use full path to install-sh script...
INSTALL="`pwd`/install-sh -c"
fi
AC_PROG_RANLIB
AC_CHECK_TOOL(AR,ar)
AC_PATH_PROG(CP,cp)
AC_PATH_PROG(LN,ln)
AC_PATH_PROG(MKDIR,mkdir)
AC_PATH_PROG(RM,rm)
dnl Flags for "ar" command...
case "$host_os_name" in
darwin* | *bsd)
ARFLAGS="-rcv"
;;
*)
ARFLAGS="crvs"
;;
esac
AC_SUBST(ARFLAGS)
dnl Inline functions...
AC_C_INLINE
dnl Checks for string functions.
if test "x$use_ansi" != xyes; then
AC_CHECK_FUNCS(strdup strlcat strlcpy)
fi
if test "x$use_vsnprintf" != xyes; then
AC_CHECK_FUNCS(snprintf vasprintf vsnprintf)
fi
dnl Check for "long long" support...
AC_CACHE_CHECK(for long long int, ac_cv_c_long_long,
[if test "$GCC" = yes; then
ac_cv_c_long_long=yes
else
AC_TRY_COMPILE(,[long long int i;],
ac_cv_c_long_long=yes,
ac_cv_c_long_long=no)
fi])
if test $ac_cv_c_long_long = yes; then
AC_DEFINE(HAVE_LONG_LONG)
fi
dnl Threading support
AC_ARG_ENABLE(threads, [ --enable-threads enable multi-threading support])
have_pthread=no
PTHREAD_FLAGS=""
PTHREAD_LIBS=""
if test "x$enable_threads" != xno; then
AC_CHECK_HEADER(pthread.h, AC_DEFINE(HAVE_PTHREAD_H))
if test x$ac_cv_header_pthread_h = xyes; then
dnl Check various threading options for the platforms we support
for flag in -lpthreads -lpthread -pthread; do
AC_MSG_CHECKING([for pthread_create using $flag])
SAVELIBS="$LIBS"
LIBS="$flag $LIBS"
AC_TRY_LINK([#include <pthread.h>],
[pthread_create(0, 0, 0, 0);],
have_pthread=yes)
AC_MSG_RESULT([$have_pthread])
LIBS="$SAVELIBS"
if test $have_pthread = yes; then
PTHREAD_FLAGS="-D_THREAD_SAFE -D_REENTRANT"
PTHREAD_LIBS="$flag"
# Solaris requires -D_POSIX_PTHREAD_SEMANTICS to
# be POSIX-compliant... :(
case "$host_os_name" in
sunos)
PTHREAD_FLAGS="$PTHREAD_FLAGS -D_POSIX_PTHREAD_SEMANTICS"
;;
esac
break
fi
done
fi
fi
AC_SUBST(PTHREAD_FLAGS)
AC_SUBST(PTHREAD_LIBS)
dnl Shared library support...
DSO="${DSO:=:}"
DSOFLAGS="${DSOFLAGS:=}"
AC_ARG_ENABLE(shared, [ --enable-shared turn on shared libraries, default=no])
if test x$enable_shared != xno; then
AC_MSG_CHECKING(for shared library support)
PICFLAG=1
case "$host_os_name" in
sunos | unix_s)
AC_MSG_RESULT(yes)
LIBMXML="libmxml.so.1.6"
DSO="\$(CC)"
DSOFLAGS="$DSOFLAGS -Wl,-h,libmxml.so.1 -G -R\$(libdir) \$(OPTIM)"
LDFLAGS="$LDFLAGS -R\$(libdir)"
;;
linux*)
AC_MSG_RESULT(yes)
LIBMXML="libmxml.so.1.6"
DSO="\$(CC)"
DSOFLAGS="$DSOFLAGS -Wl,-soname,libmxml.so.1 -shared \$(OPTIM)"
;;
osf | gnu)
AC_MSG_RESULT(yes)
LIBMXML="libmxml.so.1.6"
DSO="\$(CC)"
DSOFLAGS="$DSOFLAGS -Wl,-soname,libmxml.so.1,-rpath,\$(libdir) -shared \$(OPTIM)"
LDFLAGS="$LDFLAGS -Wl,-rpath,\$(libdir)"
;;
*bsd)
AC_MSG_RESULT(yes)
LIBMXML="libmxml.so.1.6"
DSO="\$(CC)"
DSOFLAGS="$DSOFLAGS -Wl,-soname,libmxml.so.1,-R\$(libdir) -shared \$(OPTIM)"
LDFLAGS="$LDFLAGS -Wl,-R\$(libdir)"
;;
darwin)
AC_MSG_RESULT(yes)
LIBMXML="libmxml.1.dylib"
DSO="\$(CC)"
DSOFLAGS="$DSOFLAGS \$(RC_CFLAGS) -dynamiclib -lc"
;;
mingw)
AC_MSG_RESULT(yes)
LIBMXML="mxml1.dll"
DSO="\$(CC)"
DSOFLAGS="$DSOFLAGS -shared -Wl,--out-implib,libmxml1.a,--no-undefined,--enable-runtime-pseudo-reloc"
;;
*)
AC_MSG_RESULT(no)
AC_MSG_WARN(shared libraries not supported on this platform.)
PICFLAG=0
LIBMXML="libmxml.a"
;;
esac
else
PICFLAG=0
LIBMXML="libmxml.a"
fi
AC_SUBST(DSO)
AC_SUBST(DSOFLAGS)
AC_SUBST(LIBMXML)
AC_SUBST(PICFLAG)
dnl Add -Wall for GCC...
if test -n "$GCC"; then
CFLAGS="-Wall -D_GNU_SOURCE $CFLAGS"
if test "x$OPTIM" = x; then
OPTIM="-Os -g"
fi
if test "x$use_ansi" = xyes; then
CFLAGS="-ansi -pedantic $CFLAGS"
fi
if test $PICFLAG = 1 -a "$host_os_name" != aix; then
OPTIM="-fPIC $OPTIM"
fi
else
case "$host_os_name" in
hp-ux)
CFLAGS="-Ae $CFLAGS"
if test "x$OPTIM" = x; then
OPTIM="-O"
fi
OPTIM="+DAportable $OPTIM"
if test $PICFLAG = 1; then
OPTIM="+z $OPTIM"
fi
;;
unix_svr | sunos)
if test "x$OPTIM" = x; then
OPTIM="-O"
fi
if test $PICFLAG = 1; then
OPTIM="-KPIC $OPTIM"
fi
;;
*)
if test "x$OPTIM" = x; then
OPTIM="-O"
fi
;;
esac
fi
dnl Determine whether we are cross-compiling...
if test "$build" = "$host"; then
TARGETS="ALLTARGETS"
else
TARGETS="CROSSTARGETS"
fi
AC_SUBST(TARGETS)
dnl Fix "prefix" variable if it hasn't been specified...
if test "$prefix" = "NONE"; then
prefix="/usr/local"
fi
dnl Fix "exec_prefix" variable if it hasn't been specified...
if test "$exec_prefix" = "NONE"; then
exec_prefix="$prefix"
fi
dnl Fix "docdir" variable if it hasn't been specified...
if test "$docdir" = "NONE"; then
docdir="$datadir/doc/mxml"
fi
dnl Fix "mandir" variable if it hasn't been specified...
if test "$mandir" = "\${prefix}/man" -a "$prefix" = "/usr"; then
case "$host_os_name" in
*bsd | darwin | linux*)
# *BSD, Darwin (macOS), and Linux
mandir="/usr/share/man"
;;
irix)
# SGI IRIX
mandir="/usr/share/catman/u_man"
;;
*)
# All others
mandir="/usr/man"
;;
esac
fi
dnl pkg-config stuff...
if test "$includedir" != /usr/include; then
PC_CFLAGS="-I$includedir"
else
PC_CFLAGS=""
fi
if test "$libdir" != /usr/lib; then
PC_LIBS="-L$libdir -lmxml"
else
PC_LIBS="-lmxml"
fi
AC_SUBST(PC_CFLAGS)
AC_SUBST(PC_LIBS)
dnl Output the makefile, etc...
AC_OUTPUT(Makefile mxml.pc)