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configure.ac
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configure.ac
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# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.69])
AC_INIT([gfs2-utils], [3.5.1.1.dev], [gfs2@lists.linux.dev])
AM_INIT_AUTOMAKE([-Wno-portability])
AM_SILENT_RULES([yes])
# The recommended way to opt out of Autoconf's default CFLAGS.
# Has to be done before LT_INIT.
: ${CFLAGS=""}
LT_PREREQ([2.2.6])
LT_INIT
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR([gfs2/libgfs2/libgfs2.h])
AC_CONFIG_HEADERS([make/clusterautoconfig.h])
AC_CANONICAL_HOST
LT_INIT
AC_LANG([C])
#i18n support
AM_GNU_GETTEXT([external])
AM_GNU_GETTEXT_VERSION([0.19])
# Sanitize path
if test "$prefix" = "NONE"; then
prefix="/usr"
if test "$localstatedir" = "\${prefix}/var"; then
localstatedir="/var"
fi
if test "$sysconfdir" = "\${prefix}/etc"; then
sysconfdir="/etc"
fi
if test "$libdir" = "\${exec_prefix}/lib"; then
if test -e /usr/lib64; then
libdir="/usr/lib64"
else
libdir="/usr/lib"
fi
fi
fi
case $exec_prefix in
NONE) exec_prefix=$prefix;;
prefix) exec_prefix=$prefix;;
esac
# Checks for programs.
# check stolen from gnulib/m4/gnu-make.m4
if ! ${MAKE-make} --version /cannot/make/this >/dev/null 2>&1; then
AC_MSG_ERROR([GNU make was not found but is required.])
fi
AC_PROG_CC
# Autoconf 2.70 obsoletes AC_PROG_CC_C99 but we still care about older distros
m4_version_prereq([2.70],[],[AC_PROG_CC_C99])
if test "x$ac_cv_prog_cc_c99" = "xno"; then
AC_MSG_ERROR(["C99 support is required"])
fi
AM_PROG_CC_C_O
AC_PROG_LN_S
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_PROG_LEX([noyywrap])
test "$LEX" != "flex" && AC_MSG_ERROR([flex not found])
AC_CHECK_PROG([YACC], [bison], [bison -y])
test x"$YACC" = x && AC_MSG_ERROR([bison not found])
## local helper functions
# this function checks if CC support options passed as
# args. Global CFLAGS are ignored during this test.
cc_supports_flag() {
local CFLAGS="$@"
AC_MSG_CHECKING([whether $CC supports $CFLAGS])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([int main(){return 0;}])],
[RC=0; AC_MSG_RESULT([yes])],
[RC=1; AC_MSG_RESULT([no])])
return $RC
}
# this function tests if a library has a certain function
# by using AC_CHECK_LIB but restores the original LIBS global
# envvar. This is required to avoid libtool to link everything
# with everything.
check_lib_no_libs() {
AC_CHECK_LIB([$1], [$2],,
[AC_MSG_ERROR([Unable to find $1 library])])
LIBS=$ac_check_lib_save_LIBS
}
# local options
AC_ARG_ENABLE([debug],
AS_HELP_STRING([--enable-debug],[enable debug build [default=no]]),
[], [enable_debug="no"])
AC_ARG_ENABLE([gcov],
AS_HELP_STRING([--enable-gcov],[enable coverage instrumentation [default=no]]),
[], [enable_gcov="no"])
AC_ARG_ENABLE([gprof],
AS_HELP_STRING([--enable-gprof],[enable profiling instrumentation [default=no]]),
[], [enable_gprof="no"])
AC_CHECK_FUNCS([on_exit])
# We use the Check framework for unit tests
PKG_CHECK_MODULES([check], [check >= 0.10.0],
[have_check=yes],
[have_check=no])
AM_CONDITIONAL([HAVE_CHECK], [test "x$have_check" = "xyes"])
PKG_CHECK_MODULES([zlib],[zlib])
PKG_CHECK_MODULES([blkid],[blkid])
PKG_CHECK_MODULES([uuid],[uuid])
PKG_CHECK_MODULES([bzip2],[bzip2],,
[check_lib_no_libs bz2 BZ2_bzReadOpen])
if test -z "$bzip2_CFLAGS" && test -z "$bzip2_LIBS"; then
bzip2_LIBS=-lbz2
fi
# old versions of ncurses don't ship pkg-config files
PKG_CHECK_MODULES([ncurses],[ncurses],,
[check_lib_no_libs ncurses printw])
if test -z "$ncurses_CFLAGS" && test -z "$ncurses_LIBS"; then
ncurses_LIBS=-lncurses
fi
AC_ARG_WITH([udevdir],
AS_HELP_STRING([--with-udevdir=DIR],
[udev directory containing rules.d [default=${prefix}/lib/udev]]),
[], [with_udevdir=\${prefix}/lib/udev])
AC_SUBST([udevdir], [$with_udevdir])
AC_ARG_WITH([testvol],
AS_HELP_STRING([--with-testvol=FILE],
[path to testvol (min 20GB sparse file) [default=${abs_top_builddir}/tests/testvol]]),
[], [with_testvol=\${abs_top_builddir}/tests/testvol])
AC_SUBST([testvol], [$with_testvol])
# Checks for header files.
AC_CHECK_HEADERS([fcntl.h libintl.h limits.h locale.h mntent.h stddef.h sys/file.h sys/ioctl.h sys/mount.h sys/time.h sys/vfs.h syslog.h termios.h])
# debug build stuff
if test "x${enable_debug}" = xyes; then
AC_DEFINE_UNQUOTED([DEBUG], [1], [Compiling Debugging code])
OPT_CFLAGS="-O0"
OPT_CPPFLAGS=""
else
OPT_CFLAGS="-O2"
OPT_CPPFLAGS="-D_FORTIFY_SOURCE=2"
fi
# gdb flags
if test "x${GCC}" = xyes; then
GDB_FLAGS="-ggdb3"
else
GDB_FLAGS="-g"
fi
# gcov works without optimization
if test "x${enable_gcov}" = xyes; then
GCOV_CFLAGS="-fprofile-arcs -ftest-coverage"
if ! cc_supports_flag $GCOV_CFLAGS; then
AC_MSG_ERROR([your compiler does not support coverage instrumentation])
fi
if test "x${enable_debug}" = xyes; then
enable_debug="no (gcov enabled)"
fi
OPT_CFLAGS="-O0 $GCOV_CFLAGS"
OPT_CPPFLAGS=""
fi
if test "x${enable_gprof}" = xyes; then
GPROF_CFLAGS="-pg"
if ! cc_supports_flag $GPROF_CFLAGS; then
AC_MSG_ERROR([your compiler does not support gprof instrumentation])
fi
OPT_CFLAGS="$OPT_CFLAGS $GPROF_CFLAGS"
fi
# extra warnings
EXTRA_WARNINGS=""
WARNLIST="
all
shadow
missing-prototypes
missing-declarations
strict-prototypes
declaration-after-statement
pointer-arith
write-strings
cast-align
bad-function-cast
missing-format-attribute
format=2
format-security
format-nonliteral
no-long-long
strict-aliasing
"
for j in $WARNLIST; do
if cc_supports_flag -W$j; then
EXTRA_WARNINGS="$EXTRA_WARNINGS -W$j";
fi
done
INCLUDE_PATHS="-I\$(top_builddir)/make -I\$(top_srcdir)/make -I. -I\$(top_srcdir)/gfs2/libgfs2 -I\$(top_srcdir)/gfs2/include"
DEFINES="-D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE"
AM_CFLAGS="$OPT_CFLAGS $GDB_FLAGS $EXTRA_WARNINGS $WERROR_CFLAGS"
AC_SUBST([AM_CFLAGS])
AM_CPPFLAGS="$INCLUDE_PATHS $DEFINES $OPT_CPPFLAGS"
AC_SUBST([AM_CPPFLAGS])
AC_CONFIG_TESTDIR([tests], [gfs2/libgfs2:gfs2/mkfs:gfs2/fsck:gfs2/edit:gfs2/tune:tests])
AC_CONFIG_FILES([Makefile
gfs2/Makefile
gfs2/include/Makefile
gfs2/libgfs2/Makefile
gfs2/edit/Makefile
gfs2/fsck/Makefile
gfs2/mkfs/Makefile
gfs2/tune/Makefile
gfs2/man/Makefile
gfs2/scripts/Makefile
gfs2/glocktop/Makefile
doc/Makefile
tests/Makefile
tests/atlocal
tests/gfs2-utils.spec
po/Makefile.in
])
AC_OUTPUT
echo
echo " Configure summary"
echo " ==================="
echo " prefix : $prefix"
echo " exec_prefix : $exec_prefix"
echo " libdir : $libdir"
echo " libexecdir : $libexecdir"
echo " sbindir : $sbindir"
echo " udevdir : $udevdir"
echo " ------------------"
echo " debug build : $enable_debug"
echo " C unit tests : $have_check"
echo " gprof build : $enable_gprof"
echo " gcov build : $enable_gcov"
echo " ------------------"
echo " Global CFLAGS : $AM_CFLAGS"
echo " User CFLAGS : $CFLAGS"
echo " Global CPPFLAGS : $AM_CPPFLAGS"
echo " User CPPFLAGS : $CPPFLAGS"
echo
echo "Now run 'make' to build and 'make check' to run tests"