mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
synced 2025-12-28 16:50:19 +01:00
262 lines
7.7 KiB
Text
262 lines
7.7 KiB
Text
dnl -*- mode: autoconf -*-
|
|
|
|
# serial 1
|
|
|
|
dnl Usage:
|
|
dnl GTK_DOC_CHECK([minimum-gtk-doc-version])
|
|
AC_DEFUN([GTK_DOC_CHECK],
|
|
[
|
|
AC_BEFORE([AC_PROG_LIBTOOL],[$0])dnl setup libtool first
|
|
AC_BEFORE([AM_PROG_LIBTOOL],[$0])dnl setup libtool first
|
|
dnl for overriding the documentation installation directory
|
|
AC_ARG_WITH(html-dir,
|
|
AC_HELP_STRING([--with-html-dir=PATH], [path to installed docs]),,
|
|
[with_html_dir='${datadir}/gtk-doc/html'])
|
|
HTML_DIR="$with_html_dir"
|
|
AC_SUBST(HTML_DIR)
|
|
|
|
dnl enable/disable documentation building
|
|
AC_ARG_ENABLE(gtk-doc,
|
|
AC_HELP_STRING([--enable-gtk-doc],
|
|
[use gtk-doc to build documentation [default=no]]),,
|
|
enable_gtk_doc=no)
|
|
|
|
have_gtk_doc=no
|
|
if test x$enable_gtk_doc = xyes; then
|
|
if test -z "$PKG_CONFIG"; then
|
|
AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
|
|
fi
|
|
if test "$PKG_CONFIG" != "no" && $PKG_CONFIG --exists gtk-doc; then
|
|
have_gtk_doc=yes
|
|
fi
|
|
|
|
dnl do we want to do a version check?
|
|
ifelse([$1],[],,
|
|
[gtk_doc_min_version=$1
|
|
if test "$have_gtk_doc" = yes; then
|
|
AC_MSG_CHECKING([gtk-doc version >= $gtk_doc_min_version])
|
|
if $PKG_CONFIG --atleast-version $gtk_doc_min_version gtk-doc; then
|
|
AC_MSG_RESULT(yes)
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
have_gtk_doc=no
|
|
fi
|
|
fi
|
|
])
|
|
if test "$have_gtk_doc" != yes; then
|
|
enable_gtk_doc=no
|
|
fi
|
|
fi
|
|
|
|
AM_CONDITIONAL(ENABLE_GTK_DOC, test x$enable_gtk_doc = xyes)
|
|
AM_CONDITIONAL(GTK_DOC_USE_LIBTOOL, test -n "$LIBTOOL")
|
|
])
|
|
|
|
# AX_C_FLOAT_WORDS_BIGENDIAN ([ACTION-IF-TRUE], [ACTION-IF-FALSE],
|
|
# [ACTION-IF-UNKNOWN])
|
|
#
|
|
# Checks the ordering of words within a multi-word float. This check
|
|
# is necessary because on some systems (e.g. certain ARM systems), the
|
|
# float word ordering can be different from the byte ordering. In a
|
|
# multi-word float context, "big-endian" implies that the word containing
|
|
# the sign bit is found in the memory location with the lowest address.
|
|
# This implemenation was inspired by the AC_C_BIGENDIAN macro in autoconf.
|
|
# -------------------------------------------------------------------------
|
|
AC_DEFUN([AX_C_FLOAT_WORDS_BIGENDIAN],
|
|
[AC_CACHE_CHECK(whether float word ordering is bigendian,
|
|
ax_cv_c_float_words_bigendian, [
|
|
|
|
# The endianess is detected by first compiling C code that contains a special
|
|
# double float value, then grepping the resulting object file for certain
|
|
# strings of ascii values. The double is specially crafted to have a
|
|
# binary representation that corresponds with a simple string. In this
|
|
# implementation, the string "noonsees" was selected because the individual
|
|
# word values ("noon" and "sees") are palindromes, thus making this test
|
|
# byte-order agnostic. If grep finds the string "noonsees" in the object
|
|
# file, the target platform stores float words in big-endian order. If grep
|
|
# finds "seesnoon", float words are in little-endian order. If neither value
|
|
# is found, the user is instructed to specify the ordering.
|
|
|
|
ax_cv_c_float_words_bigendian=unknown
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
|
|
|
|
double d = 90904234967036810337470478905505011476211692735615632014797120844053488865816695273723469097858056257517020191247487429516932130503560650002327564517570778480236724525140520121371739201496540132640109977779420565776568942592.0;
|
|
|
|
]])], [
|
|
|
|
if strings - conftest.$ac_objext | grep noonsees >/dev/null ; then
|
|
ax_cv_c_float_words_bigendian=yes
|
|
fi
|
|
if strings - conftest.$ac_objext | grep seesnoon >/dev/null ; then
|
|
if test "$ax_cv_c_float_words_bigendian" = unknown; then
|
|
ax_cv_c_float_words_bigendian=no
|
|
else
|
|
ax_cv_c_float_words_bigendian=unknown
|
|
fi
|
|
fi
|
|
|
|
])])
|
|
|
|
case $ax_cv_c_float_words_bigendian in
|
|
yes)
|
|
m4_default([$1],
|
|
[AC_DEFINE([FLOAT_WORDS_BIGENDIAN], 1,
|
|
[Define to 1 if your system stores words within floats
|
|
with the most significant word first])]) ;;
|
|
no)
|
|
$2 ;;
|
|
*)
|
|
m4_default([$3],
|
|
[AC_MSG_ERROR([
|
|
|
|
Unknown float word ordering. You need to manually preset
|
|
ax_cv_c_float_words_bigendian=no (or yes) according to your system.
|
|
|
|
])]) ;;
|
|
esac
|
|
|
|
])# AX_C_FLOAT_WORDS_BIGENDIAN
|
|
|
|
|
|
|
|
dnl ==========================================================================
|
|
dnl
|
|
dnl Cairo-specific macros
|
|
dnl
|
|
m4_pattern_forbid([CAIRO])
|
|
m4_pattern_forbid([^cr_])
|
|
|
|
dnl ==========================================================================
|
|
|
|
dnl Usage:
|
|
dnl CAIRO_BIGENDIAN
|
|
dnl
|
|
AC_DEFUN([CAIRO_BIGENDIAN], [
|
|
case $host_os in
|
|
darwin*)
|
|
AH_VERBATIM([X_BYTE_ORDER],
|
|
[
|
|
/* Deal with multiple architecture compiles on Mac OS X */
|
|
#ifdef __APPLE_CC__
|
|
#ifdef __BIG_ENDIAN__
|
|
#define WORDS_BIGENDIAN 1
|
|
#define FLOAT_WORDS_BIGENDIAN 1
|
|
#else
|
|
#undef WORDS_BIGENDIAN
|
|
#undef FLOAT_WORDS_BIGENDIAN
|
|
#endif
|
|
#endif
|
|
])
|
|
;;
|
|
*)
|
|
AC_C_BIGENDIAN
|
|
AX_C_FLOAT_WORDS_BIGENDIAN
|
|
;;
|
|
esac
|
|
])
|
|
|
|
dnl CAIRO_CHECK_FUNCS_WITH_FLAGS(FUNCTION..., CFLAGS, LIBS
|
|
dnl [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
|
|
dnl Like AC_CHECK_FUNCS but with additional CFLAGS and LIBS
|
|
dnl --------------------------------------------------------------------
|
|
AC_DEFUN([CAIRO_CHECK_FUNCS_WITH_FLAGS],
|
|
[
|
|
_save_cflags="$CFLAGS"
|
|
_save_libs="$LIBS"
|
|
CFLAGS="$CFLAGS $2"
|
|
LIBS="$LIBS $3"
|
|
AC_CHECK_FUNCS($1, $4, $5)
|
|
CFLAGS="$_save_cflags"
|
|
LIBS="$_save_libs"
|
|
])
|
|
|
|
dnl CAIRO_CONFIG_COMMANDS is like AC_CONFIG_COMMANDS, except that:
|
|
dnl
|
|
dnl 1) It redirects the stdout of the command to the file.
|
|
dnl 2) It does not recreate the file if contents didn't change.
|
|
dnl
|
|
AC_DEFUN([CAIRO_CONFIG_COMMANDS],
|
|
[
|
|
AC_CONFIG_COMMANDS($1,
|
|
[
|
|
_config_file=$1
|
|
_tmp_file=cairoconf.tmp
|
|
AC_MSG_NOTICE([creating $_config_file])
|
|
{
|
|
$2
|
|
} >> "$_tmp_file" ||
|
|
AC_MSG_ERROR([failed to write to $_tmp_file])
|
|
|
|
if cmp -s "$_tmp_file" "$_config_file"; then
|
|
AC_MSG_NOTICE([$_config_file is unchanged])
|
|
rm -f "$_tmp_file"
|
|
else
|
|
mv "$_tmp_file" "$_config_file" ||
|
|
AC_MSG_ERROR([failed to update $_config_file])
|
|
fi
|
|
], $3)
|
|
])
|
|
|
|
dnl check compiler flags
|
|
AC_DEFUN([CAIRO_CC_TRY_FLAG],
|
|
[
|
|
AC_MSG_CHECKING([whether $CC supports $1])
|
|
|
|
_save_cflags="$CFLAGS"
|
|
CFLAGS="$CFLAGS -Werror $1"
|
|
AC_COMPILE_IFELSE([ ], [cairo_cc_flag=yes], [cairo_cc_flag=no])
|
|
CFLAGS="$_save_cflags"
|
|
|
|
if test "x$cairo_cc_flag" = "xyes"; then
|
|
ifelse([$2], , :, [$2])
|
|
else
|
|
ifelse([$3], , :, [$3])
|
|
fi
|
|
AC_MSG_RESULT([$cairo_cc_flag])
|
|
])
|
|
|
|
dnl Usage:
|
|
dnl CAIRO_CHECK_NATIVE_ATOMIC_PRIMITIVES
|
|
AC_DEFUN([CAIRO_CHECK_NATIVE_ATOMIC_PRIMITIVES],
|
|
[
|
|
AC_CACHE_CHECK([for native atomic primitives], cairo_cv_atomic_primitives,
|
|
[
|
|
cairo_cv_atomic_primitives="none"
|
|
|
|
AC_TRY_LINK([int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }], [],
|
|
cairo_cv_atomic_primitives="Intel"
|
|
)
|
|
])
|
|
if test "x$cairo_cv_atomic_primitives" = xIntel; then
|
|
AC_DEFINE(HAVE_INTEL_ATOMIC_PRIMITIVES, 1,
|
|
[Enable if your compiler supports the Intel __sync_* atomic primitives])
|
|
fi
|
|
])
|
|
|
|
dnl Usage:
|
|
dnl CAIRO_CHECK_ATOMIC_OP_NEEDS_MEMORY_BARRIER
|
|
AC_DEFUN([CAIRO_CHECK_ATOMIC_OP_NEEDS_MEMORY_BARRIER],
|
|
[
|
|
AC_CACHE_CHECK([whether atomic ops require a memory barrier], cairo_cv_atomic_op_needs_memory_barrier,
|
|
[
|
|
case $host_cpu in
|
|
i?86) cairo_cv_atomic_op_needs_memory_barrier="no" ;;
|
|
x86_64) cairo_cv_atomic_op_needs_memory_barrier="no" ;;
|
|
arm*) cairo_cv_atomic_op_needs_memory_barrier="no" ;;
|
|
*) cairo_cv_atomic_op_needs_memory_barrier="yes" ;;
|
|
esac
|
|
])
|
|
if test "x$cairo_cv_atomic_op_needs_memory_barrier" = "xyes"; then
|
|
AC_DEFINE_UNQUOTED(ATOMIC_OP_NEEDS_MEMORY_BARRIER, 1,
|
|
[whether memory barriers are needed around atomic operations])
|
|
fi
|
|
])
|
|
|
|
dnl Parse Version.mk and declare m4 variables out of it
|
|
m4_define([CAIRO_PARSE_VERSION],
|
|
m4_translit(
|
|
m4_bpatsubst(m4_include(cairo-version.h),
|
|
[^.define \([a-zA-Z0-9_]*\) *\([0-9][0-9]*\)],
|
|
[[m4_define(\1, \[\2\])]]),
|
|
[A-Z], [a-z])
|
|
)
|