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configure.ac
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configure.ac
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dnl ##
dnl ## configure.ac -- RPM Autoconf specification
dnl ##
dnl ##
dnl ## ==== REQUIREMENTS & INITIALIZATION ====
dnl ##
AC_PREREQ(2.63)
m4_define([PACKAGE_BUGREPORT_DEFAULT], [rpm-devel@rpm5.org])
AC_INIT([rpm],[5.4.DEVEL],[PACKAGE_BUGREPORT_DEFAULT])
PACKAGE_TIMESTAMP="2010-12-29" dnl # YYYY[-MM[-DD[ HH[:MM]]]]
AC_MSG_TITLE([RPM Package Manager (RPM)], [$PACKAGE_VERSION])
AC_MSG_HEADER([INITIALIZATION])
AC_CONFIG_SRCDIR([rpmqv.c])
AC_CONFIG_HEADERS([config.h])
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE([foreign tar-ustar])
AC_REQUIRE_AUX_FILE([install-sh])
AC_REQUIRE_AUX_FILE([mkinstalldirs])
AM_MAINTAINER_MODE
dnl # allow packagers to override the officially branding name
RPM_NAME="RPM"
AC_ARG_WITH(name,
AS_HELP_STRING([--with-name=NAME], [set official name of program (default: "RPM")]), [dnl
RPM_NAME="$withval"
])
AC_DEFINE_UNQUOTED(RPM_NAME, "$RPM_NAME", [official name of program])
dnl # allow packagers to override the bugreport address
AC_ARG_WITH(bugreport,
AS_HELP_STRING([--with-bugreport=ADDRESS], [set packager bugreport Email/Web address (PACKAGE_BUGREPORT_DEFAULT)]), [dnl
case "$withval" in
*@*|http*://* ) PACKAGE_BUGREPORT="$withval" ;;
* ) AC_MSG_ERROR([invalid bugreport Email/Web address]) ;;
esac
])
dnl # Library code modified: REVISION++
dnl # Interfaces changed/added/removed: CURRENT++ REVISION=0
dnl # Interfaces added: AGE++
dnl # Interfaces removed: AGE=0
AC_SUBST(LT_CURRENT, 5)
AC_SUBST(LT_REVISION, 4)
AC_SUBST(LT_AGE, 0)
dnl # provide RPM exported version
RPM_VERSION="0,0,_,0,0,_"
case "$PACKAGE_VERSION" in
*.*.DEVEL )
RPM_VERSION=`echo "$PACKAGE_VERSION" |\
sed -e 's;^\([[^.]]*\)\.\([[^.]]*\).*;\1,\2,_,0,0,_;'`
;;
*.*.SNAPSHOT.* )
RPM_VERSION=`echo "$PACKAGE_VERSION" |\
sed -e 's;^\([[^.]]*\)\.\([[^.]]*\).*;\1,\2,_,0,0,s;'`
;;
*.*a* )
RPM_VERSION=`echo "$PACKAGE_VERSION" |\
sed -e 's;^;X;' \
-e 's;^X\([[^.]]*\)\.\([[^.]]*\)a\([[^.]]*\)\.\([[^.]]*\)$;\1,\2,a,\3,\4,_;' \
-e 's;^X\([[^.]]*\)\.\([[^.]]*\)a\([[^.]]*\)$;\1,\2,a,\3,0,_;'`
;;
*.*b* )
RPM_VERSION=`echo "$PACKAGE_VERSION" |\
sed -e 's;^;X;' \
-e 's;^X\([[^.]]*\)\.\([[^.]]*\)b\([[^.]]*\)\.\([[^.]]*\)$;\1,\2,b,\3,\4,_;' \
-e 's;^X\([[^.]]*\)\.\([[^.]]*\)b\([[^.]]*\)$;\1,\2,b,\3,0,_;'`
;;
*.*rc* )
RPM_VERSION=`echo "$PACKAGE_VERSION" |\
sed -e 's;^;X;' \
-e 's;^X\([[^.]]*\)\.\([[^.]]*\)rc\([[^.]]*\)\.\([[^.]]*\)$;\1,\2,c,\3,\4,_;' \
-e 's;^X\([[^.]]*\)\.\([[^.]]*\)rc\([[^.]]*\)$;\1,\2,c,\3,0,_;'`
;;
*.*.* )
RPM_VERSION=`echo "$PACKAGE_VERSION" |\
sed -e 's;^;X;' \
-e 's;^X\([[^.]]*\)\.\([[^.]]*\)\.\([[^.]]*\)\.\([[^.]]*\)$;\1,\2,c,\3,\4,_;' \
-e 's;^X\([[^.]]*\)\.\([[^.]]*\)\.\([[^.]]*\)$;\1,\2,r,\3,0,_;'`
;;
esac
RPM_TIMESTAMP=`echo "$PACKAGE_TIMESTAMP" |\
sed -e 's;^;X;' \
-e 's;^X\([[0-9]]*\)-\([[0-9]]*\)-\([[0-9]]*\) \([[0-9]]*\):\([[0-9]]*\)$;\1,\2,\3,\4,\5;' \
-e 's;^X\([[0-9]]*\)-\([[0-9]]*\)-\([[0-9]]*\) \([[0-9]]*\)$;\1,\2,\3,\4,0;' \
-e 's;^X\([[0-9]]*\)-\([[0-9]]*\)-\([[0-9]]*\)$;\1,\2,\3,0,0;' \
-e 's;^X\([[0-9]]*\)-\([[0-9]]*\)$;\1,\2,0,0,0;' \
-e 's;^X\([[0-9]]*\)$;\1,0,0,0,0;' \
-e 's;^X.*$;0,0,0,0,0;' \
-e 's;,0\([[0-9]]\);,\1;g'`
RPM_VENDOR="'R','P','M','5'"
AC_SUBST([RPM_VERSION])
AC_SUBST([RPM_TIMESTAMP])
AC_SUBST([RPM_VENDOR])
dnl ##
dnl ## ==== TOOL-CHAIN CHECKS ====
dnl ##
AC_MSG_HEADER([TOOL-CHAIN CHECKS])
AC_PROG_CC_STDC
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXX
AC_USE_SYSTEM_EXTENSIONS
AC_CPP_FUNC
AC_PROG_AWK
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_LIBTOOL
AC_PROG_YACC
AC_PATH_PROG(AS, as, as)
dnl # GCC specifics
AC_PROG_GCC_TRADITIONAL
AC_ARG_ENABLE(build-pic,
AS_HELP_STRING([--enable-build-pic], [build RPM with Position Independent Code (PIC) (GCC only)]), [dnl
if test ".$enableval" = .yes; then
if test ".`$CC --version 2>&1 | grep 'GCC'`" != .; then
dnl # GNU GCC (usually "gcc")
CFLAGS="$CFLAGS -fPIC -DPIC"
elif test ".`$CC -V 2>&1 | grep 'Sun C'`" != .; then
dnl # Sun Studio (usually "cc")
CFLAGS="$CFLAGS -KPIC -DPIC"
elif test ".`$CC -help 2>&1 | grep 'Intel Corporation'`" != .; then
dnl # Intel C/C++ Compiler (usually "icc")
CFLAGS="$CFLAGS -fPIC -DPIC"
else
AC_MSG_WARN([--enable-build-pic requires GCC, Sun Studio or Intel C/C++])
fi
fi
])
AC_ARG_ENABLE(build-pie,
AS_HELP_STRING([--enable-build-pie], [build RPM as Position Independent Executable (PIE) (GCC only)]), [dnl
if test ".$enableval" = .yes; then
if test ".$GCC" = .yes; then
CFLAGS="$CFLAGS -fpie"
LDFLAGS="$LDFLAGS -pie"
else
AC_MSG_WARN([--enable-build-pie requires GCC])
fi
fi
])
AC_ARG_ENABLE(build-warnings,
AS_HELP_STRING([--enable-build-warnings], [build RPM with extra compiler warnings turned on (GCC only)]), [dnl
if test ".$enableval" = .yes; then
if test ".`$CC --version 2>&1 | grep 'GCC'`" != .; then
dnl # GNU GCC (usually "gcc")
CFLAGS="$CFLAGS -Wall -W -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wno-char-subscripts -Wno-unused-parameter -Wformat-security"
elif test ".`$CC -V 2>&1 | grep 'Sun C'`" != .; then
dnl # Sun Studio (usually "cc")
CFLAGS="$CFLAGS -v"
elif test ".`$CC -help 2>&1 | grep 'Intel Corporation'`" != .; then
dnl # Intel C/C++ Compiler (usually "icc")
CFLAGS="$CFLAGS -Wall -Wcheck -w1 -wr188 -wr981 -wr593 -wr869 -wr810"
else
AC_MSG_WARN([--enable-build-warnings requires GCC, Sun Studio or Intel C/C++])
fi
fi
])
AC_ARG_ENABLE(build-debug,
AS_HELP_STRING([--enable-build-debug], [build RPM instrumented for debugging]), [dnl
if test ".$enableval" = .yes; then
if test ".`$CC --version 2>&1 | grep 'GCC'`" != .; then
dnl # GNU GCC (usually "gcc")
CFLAGS="$CFLAGS -g3"
elif test ".`$CC -V 2>&1 | grep 'Sun C'`" != .; then
dnl # Sun Studio (usually "cc")
CFLAGS="$CFLAGS -xO0 -g"
elif test ".`$CC -help 2>&1 | grep 'Intel Corporation'`" != .; then
dnl # Intel C/C++ Compiler (usually "icc")
CFLAGS="$CFLAGS -O0 -g"
else
CFLAGS="$CFLAGS -g"
fi
fi
])
dnl # build RPM instrumented for extra optimization/security (GCC only)
dnl # -fno-delete-null-pointer as the kernel does http://patchwork.kernel.org/patch/36060/
if test ".`$CC --version 2>&1 | grep 'GCC'`" != .; then
dnl # GNU GCC (usually "gcc")
for c in -fno-delete-null-pointer-checks -D_FORTIFY_SOURCE=2 -fstack-protector -fexceptions -fnested-functions -Wno-missing-field-initializers
do
my_save_cflags="$CFLAGS"
CFLAGS=$c
AC_MSG_CHECKING([whether GCC supports $c])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
[AC_MSG_RESULT([yes])]
[my_cflags=$c],
[AC_MSG_RESULT([no])]
)
CFLAGS="$my_save_cflags $my_cflags"
done
fi
AC_ARG_ENABLE(build-gcov,
AS_HELP_STRING([--enable-build-gcov], [build RPM instrumented for gcov]), [dnl
if test ".$enableval" = .yes; then
if test ".`$CC --version 2>&1 | grep 'GCC'`" != .; then
dnl # GNU GCC (usually "gcc")
CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage"
fi
fi
])
dnl # optional valgrind/cachegrind support
AC_ARG_WITH(valgrind, AS_HELP_STRING([--with-valgrind], [build RPM insturmented for valgrind tools]), [
if test ".$withval" = .yes; then
AC_CHECK_HEADERS(valgrind/valgrind.h)
AC_DEFINE(WITH_VALGRIND, 1, [Build with valgrind support?])
fi
])
dnl # Checks for OpenMP support
AC_LANG_PUSH(C)
AC_OPENMP
AC_LANG_POP(C)
AC_LANG_PUSH(C++)
AC_OPENMP
AC_LANG_POP(C++)
dnl # RPM tries hard to use adaptive "feature tests" instead of
dnl # problematic "platform tests". Nevertheless for some extremely
dnl # platform specific parts of the code, we have to know for what
dnl # particular target Unix platform we are building.
RPM_OS_NAME=`dnl
[echo "$host_os" | \
sed -e 's;^;X;' \
-e 's;^X[^a-zA-Z]*\([a-zA-Z][a-zA-Z/-]*\).*$;\1;' \
-e 's;^X.*;UNKNOWN;' | \
sed -e 's;[/-];;' | \
tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ']`
case "$RPM_OS_NAME" in
LINUX* ) RPM_OS_NAME="LINUX" ;;
esac
v1=0; v2=0; v3=0
my_os="$host_os"
case "$my_os" in
*[[0-9]]* ) ;;
* ) my_os="${my_os}`uname -r`" ;;
esac
eval `dnl
[echo "$my_os" | \
sed -e 's/^[^0-9]*\([0-9][0-9.]*\).*$/\1/' | \
sed -e 's/^/X/' \
-e 's/^X\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.\([0-9][0-9]*\).*$/v1="\1"; v2="\2"; v3="\3"/' \
-e 's/^X\([0-9][0-9]*\)\.\([0-9][0-9]*\).*$/v1="\1"; v2="\2"/' \
-e 's/^X\([0-9][0-9]*\).*$/v1="\1"/' \
-e 's/^X.*$/:/']`
RPM_OS_VERS=`echo . |\
awk '{ printf("%02d%02d%02d", v1, v2, v3); }' \
v1="$v1" v2="$v2" v3="$v3"`
CPPFLAGS="$CPPFLAGS -DRPM_OS_${RPM_OS_NAME}=${RPM_OS_VERS}"
dnl # support static linking of RPM via GNU libtool
LDFLAGS_STATIC=""
AC_ARG_ENABLE(build-static,
AS_HELP_STRING([--enable-build-static], [build RPM as a static executable]), [dnl
AC_MSG_CHECKING([whether to build RPM as a static executable (via GNU libtool)])
if test ".$enableval" = .yes; then
case "$target" in
*-*-darwin*) LDFLAGS_STATIC="";; # Mac OS X does not do static binaries.
*-*-sysv5uw*) LDFLAGS_STATIC="-static";; # Unixware has no shared libthread.
*-*-linux*) LDFLAGS_STATIC="-all-static";;
*-*-freebsd*) LDFLAGS_STATIC="-all-static";;
*-*-osf*) LDFLAGS_STATIC="";; # OSF5 has no shared pthreads libs
*-*-aix*) LDFLAGS_STATIC="-static";; # -Wl,-bnso doesn't seem to work...
*-*-hpux*) LDFLAGS_STATIC="-static";;
*-*-solaris*) LDFLAGS_STATIC="-static";;
*-*-irix*) LDFLAGS_STATIC="-static";; # should be -non_shared, but can't link because of crt1.o then.
*-*-ultrix*) LDFLAGS_STATIC="-all-static";; # ultrix doesn't have shared libs.
*-*-*) LDFLAGS_STATIC="-static";; # let GNU libtool decide how to do it for the particular platform
esac
case "$target" in
*-*-linux*)
dnl # use libpthread.a that is NPTL aware
if test -f /usr/lib/nptl/libpthread.a; then
LDFLAGS_STATIC="$LDFLAGS_STATIC -L/usr/lib/nptl"
fi
if test -f /usr/lib64/nptl/libpthread.a; then
LDFLAGS_STATIC="$LDFLAGS_STATIC -L/usr/lib64/nptl"
fi
;;
esac
AC_MSG_RESULT([yes (flag "$LDFLAGS_STATIC")])
else
AC_MSG_RESULT([no])
fi
])
AC_SUBST(LDFLAGS_STATIC)
dnl check for version script support in the linker (GNU ld, or Solaris ld style)
AC_ARG_ENABLE([build-versionscript],
AS_HELP_STRING([--enable-build-versionscript],[enable/disable use of linker version script.
(default is system dependent)]),
[have_ld_version_script=$enableval],
[have_ld_version_script=yes] )
AS_IF([test "x$have_ld_version_script" = xyes],
[
AC_MSG_CHECKING([if ld version-script works - GNU ld, Solaris ld])
cat > conftest.map <<EOF
RELEASE
{
global:
rpm_*;
local:
*;
};
PRIVATE
{
global:
rpmi_*;
local:
*;
};
EOF
save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
void rpm_symbol1(void) {}
void rpmi_symbol2(void) {}
]], [])],
[have_ld_version_script=yes], [have_ld_version_script=no])
LDFLAGS="$save_LDFLAGS"
if test x$have_ld_version_script != xyes
then
save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,-M,conftest.map"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
void rpm_symbol1(void) {}
void rpmi_symbol2(void) {}
]], [])],
[have_ld_version_script=yes], [have_ld_version_script=no])
LDFLAGS="$save_LDFLAGS"
if test x$have_ld_version_script = xyes
then
LD_VERSION_SCRIPT_FLAG=-M
fi
else
LD_VERSION_SCRIPT_FLAG=--version-script
fi
AC_MSG_RESULT($have_ld_version_script)
rm -f conftest.map conftest.c
])
AC_SUBST([LD_VERSION_SCRIPT_FLAG])
AM_CONDITIONAL([HAVE_LD_VERSION_SCRIPT],[test "$have_ld_version_script" = "yes"])
dnl # support implicit internal library dependencies
AC_ARG_ENABLE(
[build-intlibdep],
AS_HELP_STRING([--disable-build-intlibdep],[disable use of implicit internal library dependencies]),
[ do_build_intlibdep=$enableval ],
[ do_build_intlibdep=yes ])
AM_CONDITIONAL(
[ENABLE_BUILD_INTLIBDEP],
[test ".$do_build_intlibdep" = .yes])
dnl # support implicit external library dependencies
AC_ARG_ENABLE(
[build-extlibdep],
AS_HELP_STRING([--disable-build-extlibdep],[disable use of implicit external library dependencies]),
[ do_build_extlibdep=$enableval ],
[ do_build_extlibdep=yes ])
AM_CONDITIONAL(
[ENABLE_BUILD_EXTLIBDEP],
[test ".$do_build_extlibdep" = .yes])
dnl # support implicit maximum external library dependencies
AC_ARG_ENABLE(
[build-maxextlibdep],
AS_HELP_STRING([--disable-build-maxextlibdep],[disable use of implicit maximum external library dependencies]),
[ do_build_maxextlibdep=$enableval ],
[ do_build_maxextlibdep=yes ])
AM_CONDITIONAL(
[ENABLE_BUILD_MAXEXTLIBDEP],
[test ".$do_build_maxextlibdep" = .yes])
dnl # support removal of GNU libtool *.la files
AC_ARG_ENABLE(
[build-lafiles],
AS_HELP_STRING([--disable-build-lafiles],[disable the removal of GNU libtool *.la files on installation]),
[ do_build_lafiles=$enableval ],
[ do_build_lafiles=yes ])
AM_CONDITIONAL(
[ENABLE_BUILD_LAFILES],
[test ".$do_build_lafiles" = .yes])
dnl # optional sysmlink and parentdir dependency
AC_ARG_ENABLE(
[dirname-and-symlink-deps],
AS_HELP_STRING([--disable-dirname-and-symlink-deps],[permit to disable via macro the automatic dirname and symlink dependecy]),
[ do_optional_dirname_and_symlink_deps=$enableval ],
[ do_optional_dirname_and_symlink_deps=yes ])
AS_IF([test "x$do_optional_dirname_and_symlink_deps" != xyes],
[
AC_DEFINE([RPM_OPTIONAL_DIRNAME_AND_SYMLINK_DEPS],[1],[permit to disable via macro the automatic dirname and symlink dependecy])
])
dnl # Adds RPM Lua extensions based on rpmlib functionality
AC_ARG_ENABLE(
[rpm-lua-extensions-based-on-rpmlib],
AS_HELP_STRING([--enable-rpm-lua-extensions-based-on-rpmlib],[Adds RPM Lua extensions based on rpmlib functionality (default:no)]),
[ do_rpm_lua_extensions_based_on_rpmlib=$enableval ],
[ do_rpm_lua_extensions_based_on_rpmlib=no ])
AS_IF([test "x$do_rpm_lua_extensions_based_on_rpmlib" != xno],
[
AC_DEFINE([RPM_LUA_EXTENSIONS_BASED_ON_RPMLIB],[1],[Adds RPM Lua extensions based on rpmlib functionality])
])
dnl # Permit to revert to the old rpmvercmp behavior where digits beat alpha
dnl # called in VENDOR old-comparision-behaviour
AC_ARG_ENABLE(
[rpmvercmp-digits-beat-alpha],
AS_HELP_STRING([--enable-rpmvercmp-digits-beat-alpha],[Permit in RPM version comparison that digits beat alpha (default:no)]),
[ do_rpmvercmp_digits_beat_alpha=$enableval ],
[ do_rpmvercmp_digits_beat_alpha=no ])
AS_IF([test "x$do_rpmvercmp_digits_beat_alpha" != xno],
[
AC_DEFINE([RPMVERCMP_DIGITS_BEAT_ALPHA],[1],[Permit in RPM version comparison that digits beat alpha])
])
dnl # FIXME: partly Linux-specific only!?
dnl # (but at least it usually doesn't harm on other platforms)
CFLAGS="$CFLAGS -D_GNU_SOURCE -D_REENTRANT"
dnl ##
dnl ## ==== PROGRAM CHECKS ====
dnl ##
AC_MSG_HEADER([PROGRAM CHECKS])
dnl # look for POSIX chmod attributes
AC_MSG_CHECKING(POSIX chmod)
touch foo.chmodtest
chmod 744 foo.chmodtest
chmod +X foo.chmodtest 2>/dev/null || true
a=`ls -l foo.chmodtest | awk '{print $1}'`
rm -f foo.chmodtest
if test "$a" = "-rwxr-xr-x"; then
AC_MSG_RESULT(yes)
FIXPERMS=a+rX,u+w,g-w,o-w
else
AC_MSG_RESULT([no (tell your OS vendor about GNU fileutils)])
FIXPERMS=a+r,u+w,g-w,o-w
fi
AC_SUBST(FIXPERMS)
dnl # see if we have a mkdir(1) that supports option "-p".
AC_PATH_PROGS(MKDIR, mkdir, mkdir)
AC_MSG_CHECKING([if $MKDIR supports -p])
rm -rf conftest
__MKDIR_P=""
$MKDIR -p conftest/a 2>/dev/null
if test $? = 0; then
rmdir conftest/a 2>/dev/null
if test $? = 0; then
rmdir conftest 2>/dev/null
if test $? = 0; then
__MKDIR_P="$MKDIR -p"
fi
fi
fi
if test ".$__MKDIR_P" = .; then
AC_MSG_RESULT(no)
__MKDIR_P="%{_rpmhome}/mkinstalldirs"
else
AC_MSG_RESULT(yes)
fi
AC_DEFINE_UNQUOTED(__MKDIR_P, "${__MKDIR_P}", [full path to a 'mkdir -p' style program])
AC_SUBST(__MKDIR_P)
dnl # check for chown and symlink handling
AC_CHECK_FUNC(lchown,
[__CHOWN_RHF="%{__chown} -Rhf"
__CHGRP_RHF="%{__chgrp} -Rhf"
AC_DEFINE(HAVE_LCHOWN, 1, [Define as 1 if you have lchown()])],
[__CHOWN_RHF="%{__chown} -Rf"
__CHGRP_RHF="%{__chgrp} -Rf"
dnl Does chown() follow symlinks? This should be a good enough test.
AC_MSG_CHECKING(whether chown() follows symlinks)
AC_ARG_ENABLE([broken-chown],
[ --enable-broken-chown this system's chown follows symbolic links],
result=$enableval, result=unknown)
if echo "$build" | egrep "(aix|hpux|linux)" >/dev/null; then
result=yes
elif echo "$build" | grep "nextstep" >/dev/null; then
result=no
fi
if test $result = unknown; then
if test `${__ID} | cut -f2 -d\= | cut -f1 -d\(` = 0; then
rm -f foo bar
touch foo
ln -s foo bar
${__CHOWN} 10 bar
if test `ls -l foo | awk '{print $3}'` != "root"; then
result=yes
else
result=no
fi
${__RM} -f foo bar
else
AC_MSG_CHECKING((cannot check by non-root user))
result=no
fi
fi
AC_MSG_RESULT($result)
if test $result = yes; then
AC_DEFINE(CHOWN_FOLLOWS_SYMLINK, 1, [Define as 1 if chown() follows symlinks and you don't have lchown()])
fi])
AC_SUBST(__CHOWN_RHF)
AC_SUBST(__CHGRP_RHF)
dnl # find the Perl interpreter
AC_PATH_PROG(PERL, perl perl5 miniperl)
if test ".$PERL" = .; then
AC_MSG_ERROR([Perl required in PATH for building rpmconstant/])
fi
AC_SUBST(PERL)
dnl # find some common programs
if test "$cross_compiling" = "yes"; then
MYPATH=":"
else
MYPATH=$PATH
fi
AC_PATH_PROG(__BASH, bash, %{_bindir}/bash, $MYPATH)
AC_PATH_PROG(__BZIP2, bzip2, %{_bindir}/bzip2, $MYPATH)
AC_PATH_PROG(__CAT, cat, /bin/cat, $MYPATH)
AC_PATH_PROG(__CHGRP, chgrp, /bin/chgrp, $MYPATH)
AC_PATH_PROG(__CHMOD, chmod, /bin/chmod, $MYPATH)
AC_PATH_PROG(__CHOWN, chown, /bin/chown, $MYPATH)
AC_PATH_PROG(__CMAKE, cmake, %{_bindir}/cmake, $MYPATH)
AC_PATH_PROG(__CPIO, cpio, /bin/cpio, $MYPATH)
AC_PATH_PROG(__CURL, curl, %{_bindir}/curl, $MYPATH)
AC_PATH_PROG(__CVS, cvs, %{_bindir}/cvs, $MYPATH)
AC_PATH_PROG(__DB_ARCHIVE, db51_archive, %{_bindir}/db51_archive, $MYPATH)
AC_PATH_PROG(__DB_CHECKPOINT, db51_checkpoint, %{_bindir}/db51_checkpoint, $MYPATH)
AC_PATH_PROG(__DB_DUMP, db51_dump, %{_bindir}/db51_dump, $MYPATH)
AC_PATH_PROG(__DB_LOAD, db51_load, %{_bindir}/db51_load, $MYPATH)
AC_PATH_PROG(__DB_LOG_VERIFY, db51_log_verify, %{_bindir}/db51_log_verify, $MYPATH)
AC_PATH_PROG(__DB_PRINTLOG, db51_printlog, %{_bindir}/db51_printlog, $MYPATH)
AC_PATH_PROG(__DB_RECOVER, db51_recover, %{_bindir}/db51_recover, $MYPATH)
AC_PATH_PROG(__DB_STAT, db51_stat, %{_bindir}/db51_stat, $MYPATH)
AC_PATH_PROG(__DB_UPGRADE, db51_upgrade, %{_bindir}/db51_upgrade, $MYPATH)
AC_PATH_PROG(__DB_VERIFY, db51_verify, %{_bindir}/db51_verify, $MYPATH)
AC_PATH_PROG(__DIFF, diff, /bin/diff, $MYPATH)
AC_PATH_PROG(__DITTO, ditto, %{_bindir}/ditto, $MYPATH)
AC_PATH_PROG(__FILE, file, %{_bindir}/file, $MYPATH)
AC_PATH_PROG(__GIT, git, %{_bindir}/git, $MYPATH)
AC_PATH_PROG(__GPG, gpg2, %{_bindir}/gpg2, $MYPATH)
AC_PATH_PROG(__GSR, gsr, %{_bindir}/gsr, $MYPATH)
AC_PATH_PROG(__GST_INSPECT, gst-inspect-0.10, %{_bindir}/gst-inspect-0.10, $MYPATH)
AC_PATH_PROG(__GZIP, gzip, /bin/gzip, $MYPATH)
AC_PATH_PROG(__HG, hg, %{_bindir}/hg, $MYPATH)
AC_PATH_PROG(__ID, id, /usr/bin/id, $MYPATH)
AC_PATH_PROG(__INSTALL, install, /usr/bin/install, $MYPATH)
AC_PATH_PROG(__LRZIP, lrzip, /usr/bin/lrzip, $MYPATH)
AC_PATH_PROG(__LZIP, lzip, /usr/bin/lzip, $MYPATH)
AC_PATH_PROG(__INSTALL_INFO, install-info, /sbin/install-info, $MYPATH)
AC_PATH_PROG(__LDCONFIG, ldconfig, /sbin/ldconfig, $MYPATH)
AC_PATH_PROG(__LN, ln, /bin/ln, $MYPATH)
AC_PATH_PROG(__LZMA, lzma, %{_bindir}/lzma, $MYPATH)
AC_PATH_PROG(__LZOP, lzop, %{_bindir}/lzop, $MYPATH)
AC_PATH_PROG(__MAKE, make, %{_bindir}/make, $MYPATH)
AC_PATH_PROG(__MKDIR, mkdir, /bin/mkdir, $MYPATH)
AC_PATH_PROG(__MONGO, mongo, %{_bindir}/mongo, $MYPATH)
AC_PATH_PROG(__MODINFO, modinfo, /sbin/modinfo, $MYPATH)
AC_PATH_PROG(__MV, mv, /bin/mv, $MYPATH)
AC_PATH_PROG(__PATCH, patch, %{_bindir}/patch, $MYPATH)
AC_PATH_PROG(__PAX, pax, %{_bindir}/pax, $MYPATH)
AC_PATH_PROG(__PERL, perl, %{_bindir}/perl, $MYPATH)
AC_PATH_PROG(__PGP, pgp, %{_bindir}/pgp, $MYPATH)
AC_PATH_PROG(__PHP, php, %{_bindir}/php, $MYPATH)
AC_PATH_PROG(__PYTHON, python, %{_bindir}/python, $MYPATH)
AC_PATH_PROG(__RM, rm, /bin/rm, $MYPATH)
AC_PATH_PROG(__RSH, rsh, %{_bindir}/rsh, $MYPATH)
AC_PATH_PROG(__RUBY, ruby, %{_bindir}/ruby, $MYPATH)
AC_PATH_PROG(__SED, sed, /bin/sed, $MYPATH)
AC_PATH_PROG(__SH, sh, /bin/sh, $MYPATH)
AC_PATH_PROG(__SQLITE3, sqlite3, %{_bindir}/sqlite3, $MYPATH)
AC_PATH_PROG(__SSH, ssh, %{_bindir}/ssh, $MYPATH)
AC_PATH_PROG(__SVN, svn, %{_bindir}/svn, $MYPATH)
AC_PATH_PROG(__TAR, tar, /bin/tar, $MYPATH)
AC_PATH_PROG(__TCLSH, tclsh, %{_bindir}/tclsh, $MYPATH)
AC_PATH_PROG(__UNZIP, unzip, %{_bindir}/unzip, $MYPATH)
AC_PATH_PROG(__XZ, xz, %{_bindir}/xz, $MYPATH)
AC_PATH_PROG(__LD, ld, %{_bindir}/ld, $MYPATH)
AC_PATH_PROG(__NM, nm, %{_bindir}/nm, $MYPATH)
AC_PATH_PROG(__OBJCOPY, objcopy, %{_bindir}/objcopy, $MYPATH)
AC_PATH_PROG(__OBJDUMP, objdump, %{_bindir}/objdump, $MYPATH)
AC_PATH_PROG(__STRIP, strip, %{_bindir}/strip, $MYPATH)
AC_CHECK_PROGS(LIBTOOLIZE, libtoolize glibtoolize, libtoolize)
AC_SUBST(LIBTOOLIZE)
# check for elfutils eu-strip --reloc-debug_sections
# elfutils-0.153 introduce the --reloc-debug-sections
# This is a new option to eu-strip that strips
# out/resolves relocations between .debug_* elf sections in ET_REL files.
# This can save a lot of space for kernel module.
# Use this option in find-debuginfo if supported
# Check also for the eu_strip path and AC_SUBST it if found
# not used really today
old_PATH=$PATH
PATH=$MYPATH
AC_CACHE_CHECK([whether eu-strip supports --reloc-debug-sections], [ac_cv_path_EU_STRIP],
[AC_PATH_PROGS_FEATURE_CHECK([EU_STRIP], [eu-strip strip],
[[eu_stripout=`$ac_path_EU_STRIP --help | grep "\--reloc-debug-sections"`
test "x$eu_stripout" != x \
&& ac_cv_path_EU_STRIP=$ac_path_EU_STRIP debuginfo_eu_strip_reloc_debug_sections="-r"]],
[[ debuginfo_eu_strip_reloc_debug_sections="" ]]
)])
PATH=$old_PATH
AC_SUBST([debuginfo_eu_strip_reloc_debug_sections])
AS_IF([test "x$ac_cv_path_EU_STRIP" != x], [
AC_SUBST([EU_STRIP], [$ac_cv_path_EU_STRIP])
], [
AC_SUBST([EU_STRIP], [:])
AC_MSG_RESULT([no])
])
dnl # check for id -u
AC_MSG_CHECKING(whether id supports -u)
if ${__ID} -u 2>&1 > /dev/null; then
__ID_U="%{__id} -u"
AC_MSG_RESULT(yes)
else
__ID_U="%{__id} | %{__sed} 's/[[^=]]*=\\\\([[0-9]][[0-9]]*\\\\).*$/\\\\1/'"
AC_MSG_RESULT(no)
fi
AC_SUBST(__ID_U)
dnl # auto-detect whether doxygen generated API docs should be included.
AC_PATH_PROG(__DOXYGEN, doxygen, no, $PATH)
withval=auto
AC_ARG_WITH(apidocs, AS_HELP_STRING([--with-apidocs], [build RPM API documentation]))
if test $withval = auto -a $__DOXYGEN != no; then
withval=yes
elif test $withval = yes -a $__DOXYGEN = no; then
AC_MSG_ERROR([RPM API docs need doxygen in PATH])
fi
if test $withval = yes; then
WITH_APIDOCS_TARGET=apidocs
WITH_APIDOCS=1
else
WITH_APIDOCS=0
fi
AC_SUBST(WITH_APIDOCS_TARGET)
AC_SUBST(WITH_APIDOCS)
dnl ##
dnl ## ==== API CHECKS ====
dnl ##
AC_MSG_HEADER([API CHECKS])
dnl # platform specific checks
AC_SEARCH_LIBS([strerror],[cposix])
dnl # standard checks
AM_C_PROTOTYPES
AC_C_INLINE
AC_C_BIGENDIAN
dnl # platform-hack: don't trust darwin's configure-time check for endianness
dnl # configure result is used on platforms not using GCC compile-time macros
AH_VERBATIM([WORDS_BIGENDIAN],
[/* Define to 1 if your processor stores words with the most significant byte
first (like Motorola and SPARC, unlike Intel and VAX). */
#if defined(__BIG_ENDIAN__)
#define WORDS_BIGENDIAN 1
#elif defined(__LITTLE_ENDIAN__)
/* #undef WORDS_BIGENDIAN */
#else
/* use configure result: */
#undef WORDS_BIGENDIAN
#endif])
dnl # standard headers (specific)
AC_HEADER_STDC
AC_HEADER_MAJOR
AC_HEADER_DIRENT
AC_HEADER_TIME
dnl # standard headers (generic)
AC_CHECK_HEADERS([dnl
fcntl.h getopt.h grp.h memory.h netdb.h pwd.h utime.h dnl
signal.h sys/endian.h sys/ipc.h sys/socket.h sys/select.h dnl
sys/time.h sys/types.h sys/stdtypes.h sys/mman.h sys/resource.h dnl
sys/utsname.h sys/prctl.h sys/wait.h netinet/in_systm.h dnl
machine/types.h mntent.h sys/mnttab.h sys/systemcfg.h dnl
sys/param.h sys/mount.h sys/mntctl.h sys/vmount.h dnl
libio.h err.h mcheck.h limits.h libgen.h float.h dnl
glob.h poll.h netinet/in.h arpa/inet.h dnl
langinfo.h dnl
])
dnl # GNU gettext support
AC_CHECK_HEADERS(locale.h)
AM_GNU_GETTEXT_VERSION(0.18.1)
AM_GNU_GETTEXT([external])
AM_CONDITIONAL(USE_NLS, [ test ".$USE_NLS" = .yes ])
dnl # specific features
AC_SYS_LARGEFILE
dnl Does this platform require array notation to assign to a va_list?
dnl If cross-compiling, we assume va_list is "normal". If this breaks
dnl you, set ac_cv_valistisarray=true and maybe define HAVE_VA_LIST_AS_ARRAY
dnl also just to be sure.
AC_MSG_CHECKING(whether va_list assignments need array notation)
AC_CACHE_VAL(ac_cv_valistisarray,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdlib.h>
#include <stdarg.h>
void foo(int i, ...) {
va_list ap1, ap2;
va_start(ap1, i);
ap2 = ap1;
if (va_arg(ap2, int) != 123 || va_arg(ap1, int) != 123)
{ exit(1); }
va_end(ap1); va_end(ap2);
}
int main() { foo(0, 123); return(0); }]])],[ac_cv_valistisarray=false],[ac_cv_valistisarray=true],[ac_cv_valistisarray=false])])
if test "$ac_cv_valistisarray" = true ; then
AC_DEFINE(HAVE_VA_LIST_AS_ARRAY, 1,
[Define as 1 if your va_list type is an array])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AC_CHECK_VA_COPY
AC_CHECK_STATFS
dnl # specific functions (specific)
AC_CHECK_FUNC(setreuid, [], [ AC_CHECK_LIB(ucb, setreuid, [if echo $LIBS | grep -- -lucb >/dev/null; then :; else LIBS="$LIBS -lc -lucb" USEUCB=y; fi]) ])
AC_CHECK_FUNC(rand, [], [ AC_CHECK_LIB(rand, rand) ])
AC_CHECK_FUNC(getdomainname, [], [ AC_CHECK_LIB(nsl, getdomainname) ])
AC_CHECK_FUNC(socket, [], [ AC_CHECK_LIB(socket, socket) ])
dnl # specific functions (for linking against *external* Berkeley-DB under Solaris)
AC_CHECK_FUNC(fdatasync, [], [ AC_CHECK_LIB(rt, fdatasync) ])
AC_CHECK_FUNC(sched_yield, [], [ AC_CHECK_LIB(rt, sched_yield) ])
AC_CHECK_FUNC(clock_gettime, [], [ AC_CHECK_LIB(rt, clock_gettime) ])
dnl # specific functions (generic)
AC_CHECK_FUNCS(vsnprintf snprintf)
AC_CHECK_FUNCS(strcoll strverscmp)
dnl # Error API
AC_CHECK_HEADERS(error.h)
AC_CHECK_FUNCS(error)
dnl # POSIX search(3) API
AC_CHECK_HEADERS(search.h)
AC_CHECK_FUNC(insque, [], [ AC_CHECK_LIB(compat, insque) ])
dnl # POSIX pthreads API
WITH_PTHREADS=no
AC_ARG_WITH([pthreads],
AS_HELP_STRING([--without-pthreads], [build RPM without POSIX pthreads]),
[ WITH_PTHREADS="$withval" ], [ WITH_PTHREADS=yes ])
if test ".$WITH_PTHREADS" = .yes; then
AC_DEFINE(WITH_PTHREADS, 1, [Define to 1 for using Pthreads])
AC_CHECK_HEADERS(thread.h pthread.h synch.h semaphore.h)
AC_CHECK_LIB(pthread, pthread_mutex_trylock, [], [
AC_CHECK_LIB(pthread, __pthread_mutex_trylock, [], [
AC_CHECK_LIB(thread, mutex_lock)
])
])
fi
dnl # <beecrypt/api.h> tries to retrofit an assert(x) macro
AC_CHECK_HEADERS(assert.h)
dnl # FIXME: platform-hack: MiNT
AC_CHECK_LIB(port, writev)
dnl # FIXME: platform-hack: AmigaOS and IXEmul have a fork() dummy
case "$target" in
m68k-*-amigaos ) CFLAGS="$CFLAGS -Dfork=vfork" ;;
esac
dnl # platform-hack: The Mac OS X (aka Darwin) ld(1) uses a strange
dnl # non-standard Unix library search path order. This causes great
dnl # problems when linking against the third-party libraries.
dnl # Force ld(1) to stick standard Unix search path order.
case "$host" in
*-*-darwin* ) LDFLAGS="$LDFLAGS -Wl,-search_paths_first" ;;
esac
dnl # FIXME: platform-hack: SCO and SunOS 4.x
if echo "$target_os" | grep sco > /dev/null; then
AC_DEFINE(NEED_STRINGS_H, 1, [Define as one if we need to include <strings.h> (along with <string.h>)])
AC_DEFINE(HAVE_STRUCT_MNTTAB, 1, [Define as 1 if you have "struct mnttab" (only sco?)])
elif echo "$target_os" | grep sunos > /dev/null; then
CFLAGS="$CFLAGS -D__USE_FIXED_PROTOTYPES__"
AC_DEFINE(NEED_STRINGS_H, 1, [Define as one if we need to include <strings.h> (along with <string.h>)])
AC_DEFINE(NEED_MYREALLOC, 1, [Define as 1 if we need myrealloc])
AC_LIBOBJ(myrealloc)
fi
dnl look for libc features
PROVIDES_ERRNO=no
AC_MSG_CHECKING(if <netdb.h> defines h_errno)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]], [[printf("%d",h_errno)]])],[PROVIDES_ERRNO=yes],[])
AC_MSG_RESULT($PROVIDES_ERRNO)
if test $PROVIDES_ERRNO = yes; then
AC_DEFINE(HAVE_HERRNO, 1, [ Define as 1 if <netdb.h> defines h_errno])
fi
dnl If a system doesn't have S_IFSOCK, define it as 0 which will
dnl make S_ISSOCK always return false (nice, eh?)
AC_MSG_CHECKING(if <sys/stat.h> defines S_IFSOCK)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[printf("%d", S_IFSOCK)]])],[HAS_S_IFSOCK=yes],[HAS_S_IFSOCK=no])
AC_MSG_RESULT($HAS_S_IFSOCK)
if test $HAS_S_IFSOCK = yes; then
AC_DEFINE(HAVE_S_IFSOCK, 1, [Define as 1 if <sys/stat.h> defines S_IFSOCK])
fi
dnl Some Unix's are missing S_ISLNK, S_ISSOCK
AC_MSG_CHECKING(if <sys/stat.h> defines S_ISLNK)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[printf("%d", S_ISLNK(0755))]])],[HAS_S_ISLNK=yes],[HAS_S_ISLNK=no])
AC_MSG_RESULT($HAS_S_ISLNK)
if test $HAS_S_ISLNK = yes; then
AC_DEFINE(HAVE_S_ISLNK, 1, [Define as 1 if <sys/stat.h> defines S_ISLNK])
fi
AC_MSG_CHECKING(if <sys/stat.h> defines S_ISSOCK)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[printf("%d", S_ISSOCK(0755))]])],[HAS_S_ISSOCK=yes],[HAS_S_ISSOCK=no])
AC_MSG_RESULT($HAS_S_ISSOCK)
if test $HAS_S_ISSOCK = yes; then
AC_DEFINE(HAVE_S_ISSOCK, 1, [Define as 1 if <sys/stat.h> defines S_ISSOCK])
fi
dnl Handle uglix dialectical differences with S_ISTXT and S_ISVTX
AC_MSG_CHECKING(if <sys/stat.h> defines S_ISTXT)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[printf("%d", S_ISTXT)]])],[HAS_S_ISTXT=yes],[HAS_S_ISTXT=no])
AC_MSG_RESULT($HAS_S_ISTXT)
if test $HAS_S_ISTXT = yes; then
AC_DEFINE(HAVE_S_ISTXT, 1, [Define as 1 if <sys/stat.h> defines S_ISTXT])
fi
AC_MSG_CHECKING(if <sys/stat.h> defines S_ISVTX)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[printf("%d", S_ISVTX)]])],[HAS_S_ISVTX=yes],[HAS_S_ISVTX=no])
AC_MSG_RESULT($HAS_S_ISVTX)
if test $HAS_S_ISVTX = yes; then
AC_DEFINE(HAVE_S_ISVTX, 1, [Define as 1 if <sys/stat.h> defines S_ISVTX])
fi
# Find the best function to set timestamps.
AC_CHECK_FUNCS([futimens futimes futimesat utimes utime], [break])
dnl # The command line tool can copy high resolution timestamps if such
dnl # information is availabe in struct stat. Otherwise one second accuracy
dnl # is used.
AC_CHECK_MEMBERS([
struct stat.st_atim.tv_nsec,
struct stat.st_atimespec.tv_nsec,
struct stat.st_atimensec,
struct stat.st_uatime,
struct stat.st_atim.st__tim.tv_nsec,
struct stat.st_birthtime,
struct stat.st_flags])
AC_MSG_CHECKING(if timezone is defined)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[printf("%ld", timezone)]])],[HAS_TIMEZONE=yes],[HAS_TIMEZONE=no])
AC_MSG_RESULT($HAS_TIMEZONE)
dnl check for missing typedefs
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
dnl check size of built-in types
AC_CHECK_TYPES([long long, long double])
AC_CHECK_SIZEOF(char, 1)
AC_CHECK_SIZEOF(unsigned char, 1)
AC_CHECK_SIZEOF(short, 2)
AC_CHECK_SIZEOF(unsigned short, 2)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(unsigned int, 4)
AC_CHECK_SIZEOF(long, 4)
AC_CHECK_SIZEOF(unsigned long, 4)
AC_CHECK_SIZEOF(long long, 8)
AC_CHECK_SIZEOF(unsigned long long, 8)
dnl checks for library functions (specific)
AC_FUNC_ALLOCA
AC_FUNC_VPRINTF
AC_FUNC_MMAP
dnl checks for library functions (generic)
AC_CHECK_FUNCS([dnl
asprintf basename chflags clearenv confstr fallocate fchflags fchmod dnl
ftok getaddrinfo getattrlist getcwd getdelim getline getmode getnameinfo dnl
getpassphrase getxattr getwd iconv inet_aton lchflags lchmod lchown dnl
lgetxattr lsetxattr lutimes madvise mempcpy mkdtemp mkstemp mtrace dnl
posix_fadvise posix_fallocate putenv realpath regcomp __secure_getenv dnl
setattrlist setenv setlocale setmode setproctitle setxattr dnl
sigaddset sigdelset sigemptyset sighold sigrelse sigpause dnl
sigprocmask sigsuspend sigaction dnl
stpcpy stpncpy strcspn strdup strerror strmode strndup strspn strstr dnl
strtol strtoul dnl
])
dnl # specific additional tests needed to replace Berkeley-DB db_config.h with RPM config.h
AC_CHECK_FUNCS([dnl
isalpha isdigit isprint isspace localtime memcmp memcpy memmove printf dnl
qsort raise rand strcasecmp strcat strchr strncat strncmp strrchr strsep dnl
time atoi atol getopt fclose fgetc fgets fopen fwrite dnl
])
dnl # check for getmntent and alternatives
AC_CHECK_FUNC(getmntent, AC_DEFINE(HAVE_GETMNTENT, 1, [Define if you have the getmntent() function]), [
AC_CHECK_FUNC(mntctl, AC_DEFINE(HAVE_MNTCTL, 1, [Define as 1 if you have mntctl() (only aix?)]),[
AC_CHECK_FUNC(getmntinfo, AC_DEFINE(HAVE_GETMNTINFO, 1, [Define as 1 if you have getmntinfo() (Mac OS X)]), [
AC_CHECK_FUNC(getmntinfo_r, AC_DEFINE(HAVE_GETMNTINFO_R, 1, [Define as 1 if you have getmntinfo_r() (only osf?)]), [
AC_CHECK_LIB(c_r, getmntinfo_r, [LIBS="$LIBS -lc_r";
AC_DEFINE(HAVE_GETMNTINFO_R, 1, [Define as 1 if you have getmntinfo_r() (only osf?)])], [
AC_DEFINE([USE_GETMNTENT], 1, [Defined if getmntent replacement is used])
AC_LIBOBJ(getmntent)])
])
])
])
])
AC_CHECK_FUNCS(syslog)
if test $ac_cv_func_syslog = no; then
# syslog is not in the default libraries. See if it's in some other.
for lib in bsd socket inet; do
AC_CHECK_LIB($lib, syslog, [AC_DEFINE(HAVE_SYSLOG)
LIBS="$LIBS -l$lib"; break])
done
fi
dnl # Check how to find out the amount of physical memory in the system. The
dnl # xz command line tool uses this to automatically limit its memory usage.
dnl # - sysconf() gives all the needed info on GNU+Linux and Solaris.
dnl # - BSDs use sysctl().
AC_MSG_CHECKING([how to detect the amount of physical memory])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <unistd.h>
int
main()
{
long i;
i = sysconf(_SC_PAGESIZE);
i = sysconf(_SC_PHYS_PAGES);
return 0;
}
]])], [
AC_DEFINE([HAVE_PHYSMEM_SYSCONF], [1],
[Define to 1 if the amount of physical memory can be detected
with sysconf(_SC_PAGESIZE) and sysconf(_SC_PHYS_PAGES).])
AC_MSG_RESULT([sysconf])
], [
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#include <sys/sysctl.h>
int
main()
{
int name[2] = { CTL_HW, HW_PHYSMEM };
unsigned long mem;
size_t mem_ptr_size = sizeof(mem);
sysctl(name, 2, &mem, &mem_ptr_size, NULL, NULL);
return 0;
}
]])], [
AC_DEFINE([HAVE_PHYSMEM_SYSCTL], [1],
[Define to 1 if the amount of physical memory can be detected
with sysctl().])
AC_MSG_RESULT([sysctl])
], [
AC_MSG_RESULT([unknown])