+dnl If needed, define the m4_ifblank and m4_ifnblank macros from autoconf 2.64
+dnl This allows us to run with earlier Autoconfs as well.
+dnl
+dnl m4_ifblank(COND, [IF-BLANK], [IF-TEXT])
+dnl m4_ifnblank(COND, [IF-TEXT], [IF-BLANK])
+dnl ----------------------------------------
+dnl If COND is empty, or consists only of blanks (space, tab, newline),
+dnl then expand IF-BLANK, otherwise expand IF-TEXT. This differs from
+dnl m4_ifval only if COND has just whitespace, but it helps optimize in
+dnl spite of users who mistakenly leave trailing space after what they
+dnl thought was an empty argument:
+dnl macro(
+dnl []
+dnl )
+dnl
+dnl Writing one macro in terms of the other causes extra overhead, so
+dnl we inline both definitions.
+ifdef([m4_ifblank],[],[
+m4_define([m4_ifblank],
+[m4_if(m4_translit([[$1]], [ ][ ][
+]), [], [$2], [$3])])])
+
+ifdef([m4_ifnblank],[],[
+m4_define([m4_ifnblank],
+[m4_if(m4_translit([[$1]], [ ][ ][
+]), [], [$3], [$2])])])
dnl UL_PKG_STATIC(VARIABLE, MODULES)
dnl
dnl Calls pkg-config --static
dnl
AC_DEFUN([UL_PKG_STATIC], [
- if AC_RUN_LOG([pkg-config --exists --print-errors "$2"]); then
- $1=`pkg-config --libs --static "$2"`
+ if AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$2"]); then
+ $1=`$PKG_CONFIG --libs --static "$2"`
else
AC_MSG_ERROR([pkg-config description of $2, needed for static build, is not available])
fi
dnl UL_CHECK_LIB(LIBRARY, FUNCTION, [VARSUFFIX = $1]))
dnl
-dnl The VARSUFFIX is optional and overrides the default behaviour. For example:
+dnl The VARSUFFIX is optional and overrides the default behavior. For example:
dnl UL_CHECK_LIB(yyy, func, xxx) generates have_xxx and HAVE_LIBXXX
dnl UL_CHECK_LIB(yyy, func) generates have_yyy and HAVE_LIBYYY
dnl
])
ul_cv_syscall_$1=$syscall
])
- AM_CONDITIONAL([HAVE_]m4_toupper($1), [test "x$ul_cv_syscall_$1" != xno])
case $ul_cv_syscall_$1 in #(
no) AC_MSG_WARN([Unable to detect syscall $1.]) ;;
SYS_*) ;;
check:yes)
[build_]suffix=yes ;;
check:*)
- AC_MSG_WARN([non-linux system; do not build $1])
+ AC_MSG_WARN([non-linux system; not building $1])
[build_]suffix=no ;;
esac
fi
])
-dnl UL_EXCLUDE_ARCH(NAME, ARCH, VARSUFFIX = $1])
+dnl UL_EXCLUDE_ARCH(NAME, ARCH, [VARSUFFIX = $1])
dnl
dnl Modifies $build_<name> variable according to $enable_<name> and $host. The
dnl $enable_<name> could be "yes", "no" and "check". If build_<name> is "no" then
yes:*)
[build_]suffix=yes ;;
check:$2)
- AC_MSG_WARN([exclude for $host architecture; do not build $1])
+ AC_MSG_WARN([excluded for $host architecture; not building $1])
[build_]suffix=no ;;
check:*)
[build_]suffix=yes ;;
fi
])
-dnl UL_REQUIRES_HAVE(NAME, HAVENAME, HAVEDESC [VARSUFFIX=$1])
+dnl UL_REQUIRES_HAVE(NAME, HAVENAME, HAVEDESC, [VARSUFFIX=$1])
dnl
dnl Modifies $build_<name> variable according to $enable_<name> and
-dnl $have_<havename>. The <havedesc> is description used ifor warning/error
+dnl $have_<havename>. The <havedesc> is description used for warning/error
dnl message (e.g. "function").
dnl
dnl The <havename> maybe a list, then at least one of the items in the list
dnl have to exist, for example: [ncurses, tinfo] means that have_ncurser=yes
dnl *or* have_tinfo=yes must be defined.
dnl
-dnl The default <name> for $build_ and $enable_ could be overwrited by option $3.
+dnl The default <name> for $build_ and $enable_ could be overwrited by option $4.
dnl
AC_DEFUN([UL_REQUIRES_HAVE], [
m4_define([suffix], m4_default([$4],$1))
check:yes)
[build_]suffix=yes ;;
check:*)
- AC_MSG_WARN([$3 not found; do not build $1])
+ AC_MSG_WARN([$3 not found; not building $1])
[build_]suffix=no ;;
esac
fi
])
+dnl UL_REQUIRES_HAVE(NAME, PROGRAM_PROLOGUE, PROGRAM_BODY, DESC, [VARSUFFIX=$1])
+dnl
+dnl Modifies $build_<name> variable according to $enable_<name> and
+dnl ability compile AC_LANG_PROGRAM(<program_prologue>, <program_body>).
+dnl
+dnl The <desc> is description used for warning/error dnl message (e.g. "foo support").
+dnl
+dnl The default <name> for $build_ and $enable_ could be overwrited by option $5.
+
+AC_DEFUN([UL_REQUIRES_COMPILE], [
+ m4_define([suffix], m4_default([$5],$1))
+
+ if test "x$[build_]suffix" != xno; then
+
+ AC_MSG_CHECKING([$4])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
+ [AC_MSG_RESULT([yes])
+ [ul_haveprogram_]suffix=yes],
+ [AC_MSG_RESULT([no])
+ [ul_haveprogram_]suffix=no])
+
+ case $[enable_]suffix:$[ul_haveprogram_]suffix in #(
+ no:*)
+ [build_]suffix=no ;;
+ yes:yes)
+ [build_]suffix=yes ;;
+ yes:*)
+ AC_MSG_ERROR([$1 selected, but required $4 not available]);;
+ check:yes)
+ [build_]suffix=yes ;;
+ check:*)
+ AC_MSG_WARN([$4 not found; not building $1])
+ [build_]suffix=no ;;
+ esac
+ fi
+])
dnl
-dnl UL_CONFLICTS_BUILD(NAME, ANOTHER, ANOTHERDESC [VARSUFFIX=$1])
+dnl UL_CONFLICTS_BUILD(NAME, ANOTHER, ANOTHERDESC, [VARSUFFIX=$1])
dnl
dnl - ends with error if $enable_<name> and $build_<another>
dnl are both set to 'yes'
dnl The <havedesc> is description used for warning/error
dnl message (e.g. "function").
dnl
-dnl The default <name> for $build_ and $enable_ could be overwrited by option $3.
+dnl The default <name> for $build_ and $enable_ could be overwrited by option $4.
dnl
AC_DEFUN([UL_CONFLICTS_BUILD], [
m4_define([suffix], m4_default([$4],$1))
check:yes)
[build_]suffix=yes ;;
check:*)
- AC_MSG_WARN([$2 disabled; do not build $1])
+ AC_MSG_WARN([$2 disabled; not building $1])
[build_]suffix=no ;;
esac
fi
m4_define([suffix], m4_default([$4],$1))
m4_define([callname], m4_default([$3],$1))
- dnl This is default, $3 will redefine the condition
- dnl
- dnl TODO: remove this junk, AM_CONDITIONAL should not be used for any HAVE_*
- dnl variables, all we need is BUILD_* only.
- dnl
- AM_CONDITIONAL([HAVE_]m4_toupper(callname), [false])
-
if test "x$[build_]suffix" != xno; then
if test "x$[enable_]suffix" = xno; then
[build_]suffix=no
yes:no)
AC_MSG_ERROR([$1 selected but callname syscall not found]) ;;
check:no)
- AC_MSG_WARN([callname syscall not found; do not build $1])
+ AC_MSG_WARN([callname syscall not found; not building $1])
[build_]suffix=no ;;
*)
dnl default $ul_cv_syscall_ is SYS_ value
dnl $enable_<name> is undefined then ENABLE_STATE is used and $enable_<name> is
dnl set to ENABLE_STATE.
dnl
-dnl The default <name> for $build_ and $enable_ could be overwrited by option $2.
+dnl The default <name> for $build_ and $enable_ could be overwrited by option $3.
dnl
AC_DEFUN([UL_BUILD_INIT], [
m4_define([suffix], m4_default([$3],$1))
fi],
[if test "x$ul_default_estate" != x; then
enable_[]suffix=$ul_default_estate
+ build_[]suffix=yes
+ if test "x$ul_default_estate" = xno; then
+ build_[]suffix=no
+ fi
else[]
ifelse(
[$2], [check],[
enable_[]suffix=$2
fi
])
+
+
+dnl UL_ENABLE_ALIAS(NAME, MASTERNAME)
+dnl
+dnl Initializes $enable_<name> variable according to $enable_<mastername>. This
+dnl is useful for example if you want to use one --enable-mastername option
+dnl for group of programs.
+dnl
+AC_DEFUN([UL_ENABLE_ALIAS], [
+ m4_define([suffix], $1)
+ m4_define([mastersuffix], $2)
+
+ enable_[]suffix=$enable_[]mastersuffix
+])
+
+
+dnl UL_NCURSES_CHECK(NAME)
+dnl
+dnl Initializes $have_<name>, NCURSES_LIBS and NCURSES_CFLAGS variables according to
+dnl <name>{6,5}_config output.
+dnl
+dnl The expected <name> is ncurses or ncursesw.
+dnl
+AC_DEFUN([UL_NCURSES_CHECK], [
+ m4_define([suffix], $1)
+ m4_define([SUFFIX], m4_toupper($1))
+
+ # ncurses6-config
+ #
+ AS_IF([test "x$have_[]suffix" = xno], [
+ AC_CHECK_TOOL(SUFFIX[]6_CONFIG, suffix[]6-config)
+ if AC_RUN_LOG([$SUFFIX[]6_CONFIG --version >/dev/null]); then
+ have_[]suffix=yes
+ NCURSES_LIBS=`$SUFFIX[]6_CONFIG --libs`
+ NCURSES_CFLAGS=`$SUFFIX[]6_CONFIG --cflags`
+ else
+ have_[]suffix=no
+ fi
+ ])
+
+ # ncurses5-config
+ #
+ AS_IF([test "x$have_[]suffix" = xno], [
+ AC_CHECK_TOOL(SUFFIX[]5_CONFIG, suffix[]5-config)
+ if AC_RUN_LOG([$SUFFIX[]5_CONFIG --version >/dev/null]); then
+ have_[]suffix=yes
+ NCURSES_LIBS=`$SUFFIX[]5_CONFIG --libs`
+ NCURSES_CFLAGS=`$SUFFIX[]5_CONFIG --cflags`
+ else
+ have_[]suffix=no
+ fi
+ ])
+
+ # pkg-config (not supported by ncurses upstream by default)
+ #
+ AS_IF([test "x$have_[]suffix" = xno], [
+ PKG_CHECK_MODULES(SUFFIX, [$1], [
+ have_[]suffix=yes
+ NCURSES_LIBS=${SUFFIX[]_LIBS}
+ NCURSES_CFLAGS=${SUFFIX[]_CFLAGS}
+ ],[have_[]suffix=no])
+ ])
+
+ # classic autoconf way
+ #
+ AS_IF([test "x$have_[]suffix" = xno], [
+ AC_CHECK_LIB([$1], [initscr], [have_[]suffix=yes], [have_[]suffix=no])
+ AS_IF([test "x$have_[]suffix" = xyes], [NCURSES_LIBS="-l[]suffix"])
+ ])
+])
+
+dnl
+dnl UL_TINFO_CHECK(NAME)
+dnl
+dnl Initializes $have_<name>, TINFO_LIBS and TINFO_CFLAGS variables.
+dnl
+dnl The expected <name> is tinfow or tinfo.
+dnl
+AC_DEFUN([UL_TINFO_CHECK], [
+ m4_define([suffix], $1)
+ m4_define([SUFFIX], m4_toupper($1))
+
+ PKG_CHECK_MODULES(SUFFIX, [$1], [
+ dnl pkg-config success
+ have_[]suffix=yes
+ TINFO_LIBS=${SUFFIX[]_LIBS}
+ TINFO_CFLAGS=${SUFFIX[]_CFLAGS}
+ UL_PKG_STATIC([TINFO_LIBS_STATIC], [$1])
+ ],[
+ dnl If pkg-config failed, fall back to classic searching.
+ AC_CHECK_LIB([$1], [tgetent], [
+ have_[]suffix=yes
+ TINFO_LIBS="-l[]suffix"
+ TINFO_LIBS_STATIC="-l[]suffix"
+ TINFO_CFLAGS=""])
+ ])
+])
projects / thirdparty / util-linux.git / blobdiff