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configure.ac
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configure.ac
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dnl -*- Autoconf -*-
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ([2.68])
AC_INIT([libgoldilocks], [0.0.1], [otr@cypherpunks.ca],[],[https://otr.cypherpunks.ca])
AC_CONFIG_SRCDIR([src/include/field.h])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR([.])
AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])
AM_PROG_AR
LT_INIT
dnl Checks for programs.
AC_PROG_CXX
AC_PROG_CC
AC_PROG_LN_S
AC_PROG_MAKE_SET
dnl Checks for header files.
AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h stdint.h stdlib.h string.h sys/param.h sys/time.h unistd.h])
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_MODE_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT8_T
AC_CHECK_TYPES([ptrdiff_t])
dnl Checks for library functions.
AC_FUNC_MALLOC
AC_CHECK_FUNCS([gettimeofday memmove memset pow sqrt])
AC_CANONICAL_HOST
# default target arch is arch_32 which shall be generic enough to compile mostly on anything
# target arch dirs:
# availables: arch_32, arch_arm_32, arch_neon, arch_ref64, arch_x86_64
AS_CASE([$host_cpu],
[ia64|mips64|mips64eb|mipseb64|mips64el|mipsel64|mips64*|powerpc64*|sparc64|x86_64*|amd64*], [ARCH_DIR=arch_x86_64],
[arch64|aarch64|powerpc*], [ARCH_DIR=arch_ref64],
[arm64], [ARCH_DIR=arch_neon],
[arm32|armv*], [ARCH_DIR=arch_arm_32],
[ARCH_DIR=arch_32]
)
AC_SUBST([ARCH_DIR])
AC_SUBST([ARCH_ARM])
AS_IF([test "x$ARCH_DIR" = "xarch_x86_64"], [needx64=yes],
[test "x$ARCH_DIR" != "xarch_x86_64"], [needx64=no])
AM_CONDITIONAL([X86], [test "x$needx64" = "xyes"])
AS_IF([test "x$ARCH_DIR" = "xarch_ref64"], [need64=yes],
[test "x$ARCH_DIR" != "xarch_ref64"], [need64=no])
AM_CONDITIONAL([ARCH_64], [test "x$need64" = "xyes"])
AS_IF([test "x$ARCH_DIR" = "xarch_neon"], [needneon=yes],
[test "x$ARCH_DIR" != "xarch_neon"], [needneon=no])
AM_CONDITIONAL([ARCH_NEON], [test "x$needneon" = "xyes"])
AS_IF([test "x$ARCH_DIR" = "xarch_arm_32"], [needarm32=yes],
[test "x$ARCH_DIR" != "xarch_arm_32"], [needarm32=no])
AM_CONDITIONAL([ARCH_ARM_32], [test "x$needarm32" = "xyes"])
AS_IF([test "x$ARCH_DIR" = "xarch_32"], [need32=yes],
[test "x$ARCH_DIR" != "xarch_32"], [need32=no])
AM_CONDITIONAL([ARCH_32], [test "x$need32" = "xyes"])
AX_CFLAGS_GCC_OPTION([-Wall])
AX_CFLAGS_GCC_OPTION([-Wextra])
AX_CFLAGS_GCC_OPTION([-Werror])
AX_CFLAGS_GCC_OPTION([-Wformat])
AX_CFLAGS_GCC_OPTION([-Wno-format-extra-args])
AX_CFLAGS_GCC_OPTION([-Wfatal-errors])
AX_CFLAGS_GCC_OPTION([-Wbad-function-cast])
AX_CFLAGS_GCC_OPTION([-Wdiv-by-zero])
AX_CFLAGS_GCC_OPTION([-Wfloat-equal])
AX_CFLAGS_GCC_OPTION([-Wnested-externs])
AX_CFLAGS_GCC_OPTION([-Wpointer-arith])
AX_CFLAGS_GCC_OPTION([-Wstrict-prototypes])
AX_CFLAGS_GCC_OPTION([-Wlogical-op])
AX_CFLAGS_GCC_OPTION([-Wbad-cast-qual])
AX_CFLAGS_GCC_OPTION([-Wformat-nonliteral])
AX_CFLAGS_GCC_OPTION([-Wbuiltin-memcpy-chk-size])
AX_CFLAGS_GCC_OPTION([-Wfloat-equal])
AX_CFLAGS_GCC_OPTION([-Wshadow])
AX_CFLAGS_GCC_OPTION([-Wpointer-arith])
AX_CFLAGS_GCC_OPTION([-Wmaybe-uninitialized])
AX_CFLAGS_GCC_OPTION([-Wlogicalop])
AX_CFLAGS_GCC_OPTION([-Wno-type-limits])
AX_CFLAGS_GCC_OPTION([-Wnull-dereference])
AX_CFLAGS_GCC_OPTION([-Wwrite-strings])
AX_CFLAGS_GCC_OPTION([-Wswitch-default])
AX_CFLAGS_GCC_OPTION([-Wswitch-enum])
AX_CFLAGS_GCC_OPTION([-Waddress-of-temporary])
AX_CFLAGS_GCC_OPTION([-Warc])
AX_CFLAGS_GCC_OPTION([-Warraybounds])
AX_CFLAGS_GCC_OPTION([-Wasm])
AX_CFLAGS_GCC_OPTION([-Wgcc-compat])
dnl for undefined behavior
AX_CFLAGS_GCC_OPTION([-fcatch-undefined-behavior])
AX_CFLAGS_GCC_OPTION([-fno-delete-null-pointer-checks])
AX_CFLAGS_GCC_OPTION([-fno-strict-overflow])
AX_CFLAGS_GCC_OPTION([-fno-strict-aliasing])
AX_CFLAGS_GCC_OPTION([-Wno-unknown-pragmas])
AC_CONFIG_FILES([
Makefile
src/Makefile
test/Makefile
pkgconfig/libgoldilocks.pc
pkgconfig/Makefile
])
AC_OUTPUT
echo \
"----------------------------------------------------------------------------
Thank you for configuring libgoldilocks version ${PACKAGE_VERSION}.
Configuration completed in directory '${prefix}'.
----------------------------------------------------------------------------"
echo
echo "Options used to compile and link:"
echo " Host CPU = $host_cpu"
echo " Arch = $ARCH_DIR"
echo " x86_64 = $needx64"
echo " Arch_64 = $need64"
echo " Arch_arm_32 = $needarm32"
echo " Arch_32 = $need32"
echo " CC = $CC"
echo " CFLAGS = $CFLAGS"
echo " LDFLAGS = $LDFLAGS"
echo