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#-*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.5)
AC_INIT([pbc], [0.4.7], [blynn@cs.stanford.edu])
AM_INIT_AUTOMAKE(pbc,0.4.7)
AM_CONFIG_HEADER(config.h)
AC_CONFIG_SRCDIR([./])
AC_PROG_LIBTOOL
#AC_CANONICAL_HOST
CFLAGS=
default_fink_path=/PBC-0.4.7-vc-c
case $host_os in
darwin*)
dnl nested function support
AC_MSG_NOTICE([Adding -fnested-functions to CFLAGS])
CFLAGS="-fnested-functions"
dnl fink installation
AC_MSG_CHECKING([for a fink installation at $default_fink_path])
if test -d $default_fink_path; then
AC_MSG_RESULT([found it!])
AC_MSG_NOTICE([Adding -I$default_fink_path/include to CPPFLAGS])
CPPFLAGS="-I$default_fink_path/include $CPPFLAGS"
AC_MSG_NOTICE([Adding -L$default_fink_path/lib to LDFLAGS])
LDFLAGS="-L$default_fink_path/lib $LDFLAGS"
else
AC_MSG_RESULT(none)
AC_MSG_NOTICE([You may need to add set CPPFLAGS and LDFLAGS for gmp, etc.])
fi
;;
esac
# Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
# Checks for libraries.
lib_err_msg="add its path to LDFLAGS\nsee ./configure --help"
AC_CHECK_LIB( [m], [pow], [],[
echo "************************"
echo "m library not found"
echo -e $lib_err_msg
echo "************************"
exit -1
])
AC_CHECK_LIB( [gmp], [__gmpz_init], [],[
echo "************************"
echo "gmp library not found"
echo -e $lib_err_msg
echo "************************"
exit -1
])
dnl Reset libs because most programs do not need to link against all of these libs.
LIBS=
# Checks for header files.
AC_FUNC_ALLOCA
AC_HEADER_STDC
AC_CHECK_HEADERS([stdlib.h string.h sys/time.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T
AC_HEADER_TIME
dnl setup CFLAGS
AC_ARG_ENABLE( optimized,
[AC_HELP_STRING([--enable-optimized],
[Enable optimized build])],
[with_enable_optimized="$withval"],
[with_enable_optimized="no"])
CFLAGS="$CFLAGS -O2 -Wall -W -Wfloat-equal -Wpointer-arith -Wcast-align -Wstrict-prototypes -Wredundant-decls \
-Wendif-labels -Wshadow -pipe -ffast-math -U__STRICT_ANSI__ -std=c99"
if test "x$with_enable_optimized" != "no"; then
CFLAGS="$CFLAGS -g"
else
CFLAGS="$CFLAGS -fomit-frame-pointer -O3"
fi
# Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_CHECK_FUNCS([floor gettimeofday memmove memset pow sqrt strchr strdup])
AC_CONFIG_FILES([Makefile example/Makefile gen/Makefile])
AC_OUTPUT
echo -ne "\n"
echo "global build variables"
echo "-----------------------------------------"
echo `date`
echo "host info: $host"
echo "optimized build: $with_enable_optimized"
echo "LDFLAGS: $LDFLAGS"
echo "CPPFLAGS: $CPPFLAGS"
echo "CFPLAGS: $CFLAGS"
echo "-----------------------------------------"
echo -ne "\n"