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AC_INIT(gwm, 0.0, gtw@gnu.org)
AC_PREREQ([2.60])
AC_CONFIG_SRCDIR(gwm.c)
AM_INIT_AUTOMAKE
AC_CONFIG_FILES(Makefile gwm.ld)
AC_CONFIG_HEADERS(config.h)
if test -f config.options; then
. ./config.options
fi
gwm_packages=""
# GWM_MANDATORY_PACKAGE(PKG-NAME)
AC_DEFUN([GWM_MANDATORY_PACKAGE],[
AC_MSG_CHECKING([for $1])
PKG_CHECK_EXISTS([$1],
[AC_MSG_RESULT(yes)
gwm_packages="$gwm_packages $1"],
[AC_MSG_ERROR(no)])
])
# GWM_OPTIONAL_PACKAGE(PKG-NAME, [LABEL], [DEPENDENCIES])
AC_DEFUN([GWM_OPTIONAL_PACKAGE],[
gwm_label=m4_ifval([$2], [$2], [$1])
gwm_name=`echo $ECHO_N $gwm_label | tr 'a-z' 'A-Z' | tr -c 'a-zA-Z0-9' _`
gwm_have_deps=yes
for gwm_i in [$3]; do
if eval test "x\$gwm_found_$gwm_i" != "xyes"; then gwm_have_deps=no; fi
done
if test $gwm_have_deps = yes; then
AC_MSG_CHECKING([for $gwm_label])
if eval test "x\$with_$gwm_label" = xno; then
AC_MSG_RESULT(disabled)
else
PKG_CHECK_EXISTS([$1],
[AC_MSG_RESULT(yes)
gwm_packages="$gwm_packages $1"
eval "gwm_found_$gwm_label=yes"
AC_DEFINE_UNQUOTED(USE_$gwm_name, 1)],
[AC_MSG_RESULT(no)])
fi
fi
])
AH_BOTTOM([/* If we haven't been told that we're debugging, assume we aren't. */
#ifndef DEBUG
#define NDEBUG 1
#endif])
# Checks for programs:
AC_PROG_CC
AC_USE_SYSTEM_EXTENSIONS
PKG_PROG_PKG_CONFIG
# Checks for libraries:
AC_ARG_WITH(composite,[ --with-composite use the X Composite extension.])
AC_ARG_WITH(cursor, [ --with-cursor use the XCB cursor library.])
AC_ARG_WITH(damage, [ --with-damage use the X DAMAGE extension.])
AC_ARG_WITH(randr, [ --with-randr use the X RANDR extension.])
AC_ARG_WITH(render, [ --with-render use the X RENDER extension.])
AC_ARG_WITH(shape, [ --with-shape use the X SHAPE extension.])
AC_ARG_WITH(xfixes, [ --with-xfixes use the XFIXES extension.])
AH_TEMPLATE(USE_COMPOSITE,[Use the X Composite extension.])
AH_TEMPLATE(USE_CURSOR,[Use the XCB cursor library.])
AH_TEMPLATE(USE_DAMAGE,[Use the X DAMAGE extension.])
AH_TEMPLATE(USE_RANDR,[Use the X RANDR extension.])
AH_TEMPLATE(USE_RENDER,[Use the X RENDER extension.])
AH_TEMPLATE(USE_SHAPE,[Use the X SHAPE extension.])
AH_TEMPLATE(USE_XFIXES,[Use the XFIXES extension.])
GWM_MANDATORY_PACKAGE(xcb)
GWM_OPTIONAL_PACKAGE(fontconfig)
GWM_OPTIONAL_PACKAGE(freetype2)
GWM_OPTIONAL_PACKAGE(xcb-composite, composite)
GWM_OPTIONAL_PACKAGE(xcb-cursor, cursor)
GWM_OPTIONAL_PACKAGE(xcb-damage, damage)
GWM_OPTIONAL_PACKAGE(xcb-randr, randr)
GWM_OPTIONAL_PACKAGE(xcb-render, render, fontconfig freetype2)
GWM_OPTIONAL_PACKAGE(xcb-shape, shape)
GWM_OPTIONAL_PACKAGE(xcb-xfixes, xfixes)
AM_CONDITIONAL(RENDER, [test x$gwm_found_render = xyes])
AC_SEARCH_LIBS(iconv, iconv)
# Checks for header files:
AC_CHECK_HEADERS(iconv.h mcheck.h sys/mman.h poll.h sys/param.h)
# Checks for types:
AC_TYPE_UINT64_T
# Checks for functions:
AC_CHECK_FUNCS(iconv mtrace ppoll)
# Check for a reasonable section alignment to pass to the linker. First,
# try looking for typical compile-time constants in system header files...
AC_MSG_CHECKING([linker section alignment])
gwm_align=512
gwm_found_align=no
while test $gwm_align -le 65536; do
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#if HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if EXEC_PAGESIZE == ]] $gwm_align [[ || PAGE_SIZE == ]] $gwm_align [[ || PAGESIZE == ]] $gwm_align [[
int main() { return 0; }
#else
Failure.
#endif
]])], [gwm_found_align=yes; break], [])
gwm_align=$(expr $gwm_align \* 2)
done
if test $gwm_found_align = no; then
# No luck so far...
if test $cross_compiling != yes; then
for gwm_prog in pagesize "getconf PAGE_SIZE"; do
if $gwm_prog > /dev/null 2>&1; then
gwm_align=512
gwm_found_align=no
while test $gwm_align -le 65536; do
if test $($gwm_prog 2> /dev/null) = $gwm_align; then
gwm_found_align=yes
break
fi
gwm_align=$(expr $gwm_align \* 2)
done
if test $gwm_found_align = yes; then break; fi
fi
done
fi
fi
if test $gwm_found_align = no; then
gwm_align=4096 # complete guess
fi
AC_MSG_RESULT([$gwm_align])
SECTION_ALIGN=$gwm_align
AC_SUBST(SECTION_ALIGN)
AC_MSG_CHECKING([for linker script support])
gwm_ldflags="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,-Tconftest.ld"
cat > conftest.ld <<EOF
SECTIONS
{
init_start = .;
.gwminit.text : { init*(.text ) }
.gwminit.rodata : { init*(.rodata ) }
init_end = .;
}
INSERT AFTER .text;
EOF
AC_LINK_IFELSE([AC_LANG_SOURCE([[
extern char init_start, init_end;
int main() { (void) ( &init_end - &init_start ); return 0; }
]])], [gwm_linker_scripts=yes
AC_DEFINE(HAVE_INIT_SECTION, 1)
AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)])
LDFLAGS="$gwm_ldflags"
AM_CONDITIONAL(LINKER_SCRIPTS, [test x$gwm_linker_scripts = xyes])
AH_TEMPLATE(HAVE_INIT_SECTION,[Define if the linker supports scripts (used to locate the init section).])
PKG_CFLAGS=$($PKG_CONFIG --cflags $gwm_packages)
PKG_LIBS=$($PKG_CONFIG --libs $gwm_packages)
AC_SUBST(PKG_CFLAGS)
AC_SUBST(PKG_LIBS)
AC_OUTPUT
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