200 lines
5.8 KiB
Plaintext
200 lines
5.8 KiB
Plaintext
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# Helper function to check for gcc attributes.
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# AST_GCC_ATTRIBUTE([attribute name], [attribute syntax], [attribute scope], [makeopts flag])
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AC_DEFUN([AST_GCC_ATTRIBUTE],
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[
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AC_MSG_CHECKING(checking for compiler 'attribute $1' support)
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -Wall -Wno-unused -Werror"
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m4_ifval([$4],$4=0)
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if test "x$2" = "x"
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then
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AC_COMPILE_IFELSE(
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AC_LANG_PROGRAM([$3 void __attribute__(($1)) *test(void *muffin, ...) {return (void *) 0;}],
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[]),
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AC_MSG_RESULT(yes)
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m4_ifval([$4],$4=1)
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AC_DEFINE_UNQUOTED([HAVE_ATTRIBUTE_$1], 1, [Define to 1 if your GCC C compiler supports the '$1' attribute.]),
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AC_MSG_RESULT(no)
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)
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else
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AC_COMPILE_IFELSE(
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AC_LANG_PROGRAM([$3 void __attribute__(($2)) *test(void *muffin, ...) {return (void *) 0;}],
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[]),
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AC_MSG_RESULT(yes)
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m4_ifval([$4],$4=1)
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AC_DEFINE_UNQUOTED([HAVE_ATTRIBUTE_$1], 1, [Define to 1 if your GCC C compiler supports the '$1' attribute.]),
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AC_MSG_RESULT(no)
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)
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fi
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m4_ifval([$4],[AC_SUBST($4)])
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CFLAGS="$saved_CFLAGS"
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])
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# AST_EXT_LIB_SETUP([package symbol name], [package friendly name], [package option name], [additional help text])
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AC_DEFUN([AST_EXT_LIB_SETUP],
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[
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$1_DESCRIP="$2"
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$1_OPTION="$3"
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AC_ARG_WITH([$3], AC_HELP_STRING([--with-$3=PATH],[use $2 files in PATH $4]),[
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case ${withval} in
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n|no)
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USE_$1=no
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;;
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y|ye|yes)
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$1_MANDATORY="yes"
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;;
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*)
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$1_DIR="${withval}"
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$1_MANDATORY="yes"
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;;
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esac
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])
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PBX_$1=0
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AC_SUBST([$1_LIB])
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AC_SUBST([$1_INCLUDE])
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AC_SUBST([PBX_$1])
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])
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# AST_EXT_LIB_CHECK([package symbol name], [package library name], [function to check], [package header], [additional LIB data])
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AC_DEFUN([AST_EXT_LIB_CHECK],
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[
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if test "${USE_$1}" != "no"; then
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pbxlibdir=""
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if test "x${$1_DIR}" != "x"; then
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if test -d ${$1_DIR}/lib; then
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pbxlibdir="-L${$1_DIR}/lib"
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else
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pbxlibdir="-L${$1_DIR}"
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fi
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fi
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AC_CHECK_LIB([$2], [$3], [AST_$1_FOUND=yes], [AST_$1_FOUND=no], ${pbxlibdir} $5)
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if test "${AST_$1_FOUND}" = "yes"; then
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$1_LIB="-l$2 $5"
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$1_HEADER_FOUND="1"
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if test "x${$1_DIR}" != "x"; then
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$1_LIB="${pbxlibdir} ${$1_LIB}"
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$1_INCLUDE="-I${$1_DIR}/include"
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if test "x$4" != "x" ; then
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AC_CHECK_HEADER([${$1_DIR}/include/$4], [$1_HEADER_FOUND=1], [$1_HEADER_FOUND=0] )
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fi
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else
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if test "x$4" != "x" ; then
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AC_CHECK_HEADER([$4], [$1_HEADER_FOUND=1], [$1_HEADER_FOUND=0] )
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fi
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fi
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if test "x${$1_HEADER_FOUND}" = "x0" ; then
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if test ! -z "${$1_MANDATORY}" ;
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then
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AC_MSG_NOTICE( ***)
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AC_MSG_NOTICE( *** It appears that you do not have the $2 development package installed.)
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AC_MSG_NOTICE( *** Please install it to include ${$1_DESCRIP} support, or re-run configure)
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AC_MSG_NOTICE( *** without explicitly specifying --with-${$1_OPTION})
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exit 1
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fi
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$1_LIB=""
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$1_INCLUDE=""
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PBX_$1=0
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else
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PBX_$1=1
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AC_DEFINE_UNQUOTED([HAVE_$1], 1, [Define to indicate the ${$1_DESCRIP} library])
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fi
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elif test ! -z "${$1_MANDATORY}";
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then
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AC_MSG_NOTICE(***)
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AC_MSG_NOTICE(*** The ${$1_DESCRIP} installation on this system appears to be broken.)
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AC_MSG_NOTICE(*** Either correct the installation, or run configure)
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AC_MSG_NOTICE(*** without explicitly specifying --with-${$1_OPTION})
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exit 1
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fi
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fi
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])
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AC_DEFUN(
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[AST_CHECK_GNU_MAKE], [AC_CACHE_CHECK([for GNU make], [ac_cv_GNU_MAKE],
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ac_cv_GNU_MAKE='Not Found' ;
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ac_cv_GNU_MAKE_VERSION_MAJOR=0 ;
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ac_cv_GNU_MAKE_VERSION_MINOR=0 ;
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for a in make gmake gnumake ; do
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if test -z "$a" ; then continue ; fi ;
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if ( sh -c "$a --version" 2> /dev/null | grep GNU 2>&1 > /dev/null ) ; then
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ac_cv_GNU_MAKE=$a ;
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ac_cv_GNU_MAKE_VERSION_MAJOR=`$ac_cv_GNU_MAKE --version | grep "GNU Make" | cut -f3 -d' ' | cut -f1 -d'.'`
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ac_cv_GNU_MAKE_VERSION_MINOR=`$ac_cv_GNU_MAKE --version | grep "GNU Make" | cut -f2 -d'.' | cut -c1-2`
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break;
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fi
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done ;
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) ;
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if test "x$ac_cv_GNU_MAKE" = "xNot Found" ; then
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AC_MSG_ERROR( *** Please install GNU make. It is required to build Asterisk!)
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exit 1
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fi
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AC_SUBST([GNU_MAKE], [$ac_cv_GNU_MAKE])
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])
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# AST_FUNC_FORK
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# -------------
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AN_FUNCTION([fork], [AST_FUNC_FORK])
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AN_FUNCTION([vfork], [AST_FUNC_FORK])
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AC_DEFUN([AST_FUNC_FORK],
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[AC_REQUIRE([AC_TYPE_PID_T])dnl
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AC_CHECK_HEADERS(vfork.h)
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AC_CHECK_FUNCS(fork vfork)
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if test "x$ac_cv_func_fork" = xyes; then
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_AST_FUNC_FORK
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else
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ac_cv_func_fork_works=$ac_cv_func_fork
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fi
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if test "x$ac_cv_func_fork_works" = xcross; then
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case $host in
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*-*-amigaos* | *-*-msdosdjgpp* | *-*-uclinux* | *-*-linux-uclibc* )
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# Override, as these systems have only a dummy fork() stub
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ac_cv_func_fork_works=no
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;;
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*)
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ac_cv_func_fork_works=yes
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;;
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esac
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AC_MSG_WARN([result $ac_cv_func_fork_works guessed because of cross compilation])
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fi
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ac_cv_func_vfork_works=$ac_cv_func_vfork
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if test "x$ac_cv_func_vfork" = xyes; then
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_AC_FUNC_VFORK
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fi;
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if test "x$ac_cv_func_fork_works" = xcross; then
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ac_cv_func_vfork_works=$ac_cv_func_vfork
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AC_MSG_WARN([result $ac_cv_func_vfork_works guessed because of cross compilation])
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fi
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if test "x$ac_cv_func_vfork_works" = xyes; then
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AC_DEFINE(HAVE_WORKING_VFORK, 1, [Define to 1 if `vfork' works.])
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else
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AC_DEFINE(vfork, fork, [Define as `fork' if `vfork' does not work.])
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fi
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if test "x$ac_cv_func_fork_works" = xyes; then
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AC_DEFINE(HAVE_WORKING_FORK, 1, [Define to 1 if `fork' works.])
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fi
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])# AST_FUNC_FORK
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# _AST_FUNC_FORK
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# -------------
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AC_DEFUN([_AST_FUNC_FORK],
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[AC_CACHE_CHECK(for working fork, ac_cv_func_fork_works,
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[AC_RUN_IFELSE(
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[AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
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[
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/* By Ruediger Kuhlmann. */
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return fork () < 0;
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])],
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[ac_cv_func_fork_works=yes],
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[ac_cv_func_fork_works=no],
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[ac_cv_func_fork_works=cross])])]
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)# _AST_FUNC_FORK
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