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# Process this file with autoconf to produce a configure script.
AC_INIT(src/libaal.c)
AC_CANONICAL_HOST
AC_PREREQ(2.50)
AH_TEMPLATE([PACKAGE], [Define this to be the name of the package.])
AH_TEMPLATE([VERSION], [Define to the version of the package.])
AH_TEMPLATE([LIBAAL_MAX_INTERFACE_VERSION], [Define to the max interface version.])
AH_TEMPLATE([LIBAAL_MIN_INTERFACE_VERSION], [Define to the min interface version.])
AH_TEMPLATE([loff_t], [Define to loff_t])
AH_TEMPLATE([ENABLE_DEBUG], [Define for enable debug info.])
AH_TEMPLATE([ENABLE_MEMORY_MANAGER], [Define for enable simple memory manager.])
LIBAAL_MAJOR_VERSION=1
LIBAAL_MINOR_VERSION=0
LIBAAL_MICRO_VERSION=5
LIBAAL_INTERFACE_AGE=0
LIBAAL_BINARY_AGE=0
LIBAAL_VERSION=$LIBAAL_MAJOR_VERSION.$LIBAAL_MINOR_VERSION.$LIBAAL_MICRO_VERSION
LT_RELEASE=$LIBAAL_MAJOR_VERSION.$LIBAAL_MINOR_VERSION
LT_CURRENT=`expr $LIBAAL_MICRO_VERSION - $LIBAAL_INTERFACE_AGE`
LT_REVISION=$LIBAAL_INTERFACE_AGE
LT_AGE=`expr $LIBAAL_BINARY_AGE - $LIBAAL_INTERFACE_AGE`
AC_SUBST(LT_RELEASE)
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
PACKAGE=libaal
VERSION=$LIBAAL_VERSION
AM_INIT_AUTOMAKE($PACKAGE, $VERSION)
AM_CONFIG_HEADER(config.h)
AM_MAINTAINER_MODE
AC_DEFINE_UNQUOTED(LIBAAL_MAX_INTERFACE_VERSION, $LIBAAL_BINARY_AGE)
AC_DEFINE_UNQUOTED(LIBAAL_MIN_INTERFACE_VERSION, $LIBAAL_INTERFACE_AGE)
AM_ENABLE_SHARED
AC_ARG_ENABLE(Werror,
[ --enable-Werror enable build with gcc -Werror], ,
enable_Werror=no
)
AC_ARG_ENABLE(debug,
[ --enable-debug enable debug information in binaries], ,
enable_debug=no
)
AC_ARG_ENABLE(libminimal,
[ --disable-libminimal disable building of minimal footprint library], ,
enable_libminimal=yes
)
AC_ARG_ENABLE(memory_manager,
[ --disable-memory-manager disable memory manager in minimal library], ,
enable_memory_manager=yes
)
# Checks for programs.
AC_PROG_CC
# Checks for libraries.
# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([errno.h fcntl.h stdlib.h string.h sys/ioctl.h unistd.h])
AC_C_BIGENDIAN
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_OFF_T
AC_STRUCT_TM
# Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_FUNC_MEMCMP
AC_HEADER_STDC
AC_CHECK_FUNCS([memmove memset strchr strerror strpbrk strrchr])
# The options -falign-* are supported by gcc 3.0 or later.
# Probably it is sufficient to only check for -falign-loops.
AC_CACHE_CHECK([whether -falign-loops works], [falign_loop_flag], [
saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="-falign-loops=1"
AC_TRY_COMPILE(, , [falign_loop_flag=yes], [falign_loop_flag=no])
CPPFLAGS="$saved_CPPFLAGS"
])
# Checking for compiler warning options
AC_CACHE_CHECK([whether -Wuninitialized works], [uninitialized], [
saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="-Wuninitialized"
AC_TRY_COMPILE(, , [uninitialized=yes], [uninitialized=no])
CPPFLAGS="$saved_CPPFLAGS"
])
AC_CACHE_CHECK([whether -Wno-unused-parameter works], [no_unused_parameter], [
saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="-Wno-unused-parameter"
AC_TRY_COMPILE(, , [no_unused_parameter=yes], [no_unused_parameter=no])
CPPFLAGS="$saved_CPPFLAGS"
])
AC_CACHE_CHECK([whether -Wredundant-decls works], [redundant_decls], [
saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="-Wredundant-decls"
AC_TRY_COMPILE(, , [redundant_decls=yes], [redundant_decls=no])
CPPFLAGS="$saved_CPPFLAGS"
])
# Force no alignment to save space.
if test "x$falign_loop_flag" = xyes; then
ALIGN_FLAGS="-falign-jumps=1 -falign-loops=1 -falign-functions=1 -falign-labels=1 -fomit-frame-pointer -fno-inline -fstrength-reduce"
else
ALIGN_FLAGS="-malign-jumps=1 -malign-loops=1 -malign-functions=1"
fi
CFLAGS=""
MINIMAL_CFLAGS=""
GENERIC_CFLAGS=""
# make libc threadsafe (not required for us for awhile, but useful other users of
# libaal)
GENERIC_CFLAGS="$GENERIC_CFLAGS -D_REENTRANT"
AC_SYS_LARGEFILE
if test x${ac_cv_sys_file_offset_bits} = xno; then
AC_MSG_WARN(Can't detect right _FILE_OFFSET_BITS. Will be forced to 64bit.)
ac_cv_sys_file_offset_bits=64
fi
GENERIC_CFLAGS="$GENERIC_CFLAGS -D_FILE_OFFSET_BITS=${ac_cv_sys_file_offset_bits}"
AC_CHECK_SIZEOF(off_t, 64, [
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
])
AM_PROG_LIBTOOL
if test x$enable_libminimal = xyes; then
if test x$enable_memory_manager = xyes; then
MEMORY_MANAGER_CFLAGS="-DENABLE_MEMORY_MANAGER"
fi
MINIMAL_CFLAGS="$MINIMAL_CFLAGS -DENABLE_MINIMAL $MEMORY_MANAGER_CFLAGS $ALIGN_FLAGS"
fi
CFLAGS="$CFLAGS -W -Wall"
if test x$enable_debug = xyes; then
GENERIC_CFLAGS="$GENERIC_CFLAGS -O0 -g"
MINIMAL_CFLAGS="$MINIMAL_CFLAGS -O0 -g"
else
GENERIC_CFLAGS="$GENERIC_CFLAGS -O3"
MINIMAL_CFLAGS="$MINIMAL_CFLAGS -Os"
if test "x$uninitialized" = xyes; then
CFLAGS="$CFLAGS -Wuninitialized"
fi
fi
if test "x$no_unused_parameter" = xyes; then
CFLAGS="$CFLAGS -Wno-unused-parameter"
else
CFLAGS="$CFLAGS -Wno-unused"
fi
if test "x$redundant_decls" = xyes; then
CFLAGS="$CFLAGS -Wredundant-decls"
fi
if test x$enable_Werror = xyes; then
CFLAGS="$CFLAGS -Werror"
fi
AM_CONDITIONAL(ENABLE_MINIMAL, test x$enable_libminimal = xyes)
AM_CONDITIONAL(ENABLE_DEBUG, test x$enable_debug = xyes)
if test x$enable_debug = xyes; then
AC_DEFINE(ENABLE_DEBUG)
fi
AC_SUBST(MINIMAL_CFLAGS)
AC_SUBST(GENERIC_CFLAGS)
AC_OUTPUT([
Makefile
include/Makefile
include/aal/Makefile
src/Makefile
libaal.spec
])
echo
echo Type \'make\' to compile libaal and \'make install\' to install it.
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