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libclayer/configure.ac
Alex Kotov f76a6630d6
Remove ntoa, units
2022-12-25 13:38:06 +04:00

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############################
# Specify program versions #
############################
AC_PREREQ([2.70])
LT_PREREQ([2.4.6])
##################################
# Initialize Autoconf & Automake #
##################################
AC_INIT([libkernaux],
m4_normalize(m4_include([VERSION])),
[https://github.com/tailix/libkernaux/issues],
[libkernaux],
[https://github.com/tailix/libkernaux])
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CONFIG_MACRO_DIRS([m4])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_SRCDIR([src/runtime.c])
AC_CONFIG_FILES([
Makefile
libkernaux.pc
include/Makefile
libc/Makefile
libc/include/Makefile
include/kernaux/version.h
tests/Makefile
])
AM_INIT_AUTOMAKE([1.16 subdir-objects])
AC_SUBST([PACKAGE_DESCR], ['Auxiliary library for kernel development'])
AC_SUBST([PACKAGE_VERSION_SO], m4_normalize(m4_include([VERSION_SO])))
###############
# Define args #
###############
dnl Features (enabled by default)
AC_ARG_ENABLE([assert], AS_HELP_STRING([--disable-assert], [disable assertions]))
AC_ARG_ENABLE([float], AS_HELP_STRING([--disable-float], [disable floating-point arithmetic]))
AC_ARG_ENABLE([werror], AS_HELP_STRING([--disable-werror], [disable -Werror]))
dnl Features (disabled by default)
AC_ARG_ENABLE([freestanding], AS_HELP_STRING([--enable-freestanding], [build for freestanding environment]))
AC_ARG_ENABLE([checks], AS_HELP_STRING([--enable-checks], [enable usual tests]))
AC_ARG_ENABLE([checks-all], AS_HELP_STRING([--enable-checks-all], [enable all checks]))
AC_ARG_ENABLE([checks-cppcheck], AS_HELP_STRING([--enable-checks-cppcheck], [enable cppcheck]))
AC_ARG_ENABLE([split-libc], AS_HELP_STRING([--enable-split-libc], [split off libc]))
dnl Features (with parameter)
AC_ARG_ENABLE([pkg-config], AS_HELP_STRING([--enable-pkg-config@<:@=PATH@:>@], [install pkg-config files @<:@PATH='${libdir}/pkgconfig'@:>@]))
dnl Packages (enabled by default)
AC_ARG_WITH( [all], AS_HELP_STRING([--without-all], [without all default packages]))
AC_ARG_WITH( [arch-all], AS_HELP_STRING([--without-arch-all], [without all architectures]))
AC_ARG_WITH( [arch-i386], AS_HELP_STRING([--without-arch-i386], [without architecture i386]))
AC_ARG_WITH( [arch-riscv64], AS_HELP_STRING([--without-arch-riscv64], [without architecture riscv64]))
AC_ARG_WITH( [arch-x86-64], AS_HELP_STRING([--without-arch-x86-64], [without architecture x86-64]))
AC_ARG_WITH( [asm], AS_HELP_STRING([--without-asm], [without kernel assembler helpers]))
AC_ARG_WITH( [elf], AS_HELP_STRING([--without-elf], [without ELF utils]))
AC_ARG_WITH( [mbr], AS_HELP_STRING([--without-mbr], [without MBR utils]))
AC_ARG_WITH( [pfa], AS_HELP_STRING([--without-pfa], [without Page Frame Allocator]))
dnl Packages (disabled by default)
AC_ARG_WITH( [libc], AS_HELP_STRING([--with-libc], [with libc replacement]))
################
# Default args #
################
AC_DEFUN([do_enable_checks_all],
[
if test -z "$enable_checks"; then enable_checks=yes; fi
if test -z "$enable_checks_cppcheck"; then enable_checks_cppcheck=yes; fi
])
AS_IF([test "$enable_checks_all" = yes], do_enable_checks_all)
AC_DEFUN([do_without_arch_all],
[
if test -z "$with_arch_i386"; then with_arch_i386=no; fi
if test -z "$with_arch_riscv64"; then with_arch_riscv64=no; fi
if test -z "$with_arch_x86_64"; then with_arch_x86_64=no; fi
])
AS_IF([test "$with_arch_all" = no], do_without_arch_all)
AC_DEFUN([do_without_all],
[
if test -z "$with_arch_i386"; then with_arch_i386=no; fi
if test -z "$with_arch_riscv64"; then with_arch_riscv64=no; fi
if test -z "$with_arch_x86_64"; then with_arch_x86_64=no; fi
if test -z "$with_asm"; then with_asm=no; fi
if test -z "$with_elf"; then with_elf=no; fi
if test -z "$with_mbr"; then with_mbr=no; fi
if test -z "$with_pfa"; then with_pfa=no; fi
])
AS_IF([test "$with_all" = no], do_without_all)
##################
# Normalize args #
##################
dnl Features (enabled by default)
AS_IF([test "$enable_assert" = no ], [enable_assert=no], [enable_assert=yes])
AS_IF([test "$enable_float" = no ], [enable_float=no], [enable_float=yes])
AS_IF([test "$enable_werror" = no ], [enable_werror=no], [enable_werror=yes])
dnl Features (disabled by default)
AS_IF([test "$enable_freestanding" = yes], [enable_freestanding=yes], [enable_freestanding=no])
AS_IF([test "$enable_checks" = yes], [enable_checks=yes], [enable_checks=no])
AS_IF([test "$enable_checks_all" = yes], [enable_checks_all=yes], [enable_checks_all=no])
AS_IF([test "$enable_checks_cppcheck" = yes], [enable_checks_cppcheck=yes], [enable_checks_cppcheck=no])
AS_IF([test "$enable_split_libc" = yes], [enable_split_libc=yes], [enable_split_libc=no])
dnl Features (with parameter)
AS_IF([test "$enable_pkg_config" = yes], [enable_pkg_config='${libdir}/pkgconfig'])
AS_IF([test "$enable_pkg_config" = no ], [enable_pkg_config=''])
dnl Packages (enabled by default)
AS_IF([test "$with_all" = no ], [with_all=no], [with_all=yes])
AS_IF([test "$with_arch_all" = no ], [with_arch_all=no], [with_arch_all=yes])
AS_IF([test "$with_arch_i386" = no ], [with_arch_i386=no], [with_arch_i386=yes])
AS_IF([test "$with_arch_riscv64" = no ], [with_arch_riscv64=no], [with_arch_riscv64=yes])
AS_IF([test "$with_arch_x86_64" = no ], [with_arch_x86_64=no], [with_arch_x86_64=yes])
AS_IF([test "$with_asm" = no ], [with_asm=no], [with_asm=yes])
AS_IF([test "$with_elf" = no ], [with_elf=no], [with_elf=yes])
AS_IF([test "$with_mbr" = no ], [with_mbr=no], [with_mbr=yes])
AS_IF([test "$with_pfa" = no ], [with_pfa=no], [with_pfa=yes])
dnl Packages (disabled by default)
AS_IF([test "$with_libc" = yes], [with_libc=yes], [with_libc=no])
#############
# Test args #
#############
AS_IF([test "$enable_checks" = yes -a "$enable_freestanding" = yes], AC_MSG_ERROR([can not build freestanding tests]))
AS_IF([test "$enable_checks" = yes -a "$with_libc" = yes], AC_MSG_ERROR([can not use package `libc' with tests]))
#########################
# Automake conditionals #
#########################
dnl Architecture
AM_CONDITIONAL([ASM_I386], [test "$host_cpu" = i386])
AM_CONDITIONAL([ASM_RISCV64], [test "$host_cpu" = riscv64])
AM_CONDITIONAL([ASM_X86_64], [test "$host_cpu" = x86_64])
dnl Architecture (additional)
AM_CONDITIONAL([ASM_X86], [test "$host_cpu" = i386 -o "$host_cpu" = x86_64])
dnl Features (enabled by default)
AM_CONDITIONAL([ENABLE_ASSERT], [test "$enable_assert" = yes])
AM_CONDITIONAL([ENABLE_FLOAT], [test "$enable_float" = yes])
AM_CONDITIONAL([ENABLE_WERROR], [test "$enable_werror" = yes])
dnl Features (disabled by default)
AM_CONDITIONAL([ENABLE_FREESTANDING], [test "$enable_freestanding" = yes])
AM_CONDITIONAL([ENABLE_CHECKS], [test "$enable_checks" = yes])
AM_CONDITIONAL([ENABLE_CHECKS_CPPCHECK], [test "$enable_checks_cppcheck" = yes])
AM_CONDITIONAL([ENABLE_SPLIT_LIBC], [test "$enable_split_libc" = yes])
dnl Features (with parameter)
AM_CONDITIONAL([ENABLE_PKG_CONFIG], [test ! -z "$enable_pkg_config"])
dnl Packages (enabled by default)
AM_CONDITIONAL([WITH_ARCH_I386], [test "$with_arch_i386" = yes])
AM_CONDITIONAL([WITH_ARCH_RISCV64], [test "$with_arch_riscv64" = yes])
AM_CONDITIONAL([WITH_ARCH_X86_64], [test "$with_arch_x86_64" = yes])
AM_CONDITIONAL([WITH_ASM], [test "$with_asm" = yes])
AM_CONDITIONAL([WITH_ELF], [test "$with_elf" = yes])
AM_CONDITIONAL([WITH_MBR], [test "$with_mbr" = yes])
AM_CONDITIONAL([WITH_PFA], [test "$with_pfa" = yes])
dnl Packages (disabled by default)
AM_CONDITIONAL([WITH_LIBC], [test "$with_libc" = yes])
dnl Packages (virtual)
AM_CONDITIONAL([WITH_ARCH_X86], [test "$with_arch_i386" = yes -o "$with_arch_x86_64" = yes])
####################
# Autoconf defines #
####################
dnl Architecture
AS_IF([test "$host_cpu" = i386], [AC_DEFINE([ASM_I386], [1], [architecture is i386])])
AS_IF([test "$host_cpu" = riscv64], [AC_DEFINE([ASM_RISCV64], [1], [architecture is RISC-V 64-bit])])
AS_IF([test "$host_cpu" = x86_64], [AC_DEFINE([ASM_X86_64], [1], [architecture is x86_64])])
dnl Architecture (additional)
AS_IF([test "$host_cpu" = i386], [AC_DEFINE([ASM_X86], [1], [architecture is x86])])
AS_IF([test "$host_cpu" = x86_64], [AC_DEFINE([ASM_X86], [1], [architecture is x86])])
dnl Features (enabled by default)
AS_IF([test "$enable_assert" = yes], [AC_DEFINE([ENABLE_ASSERT], [1], [enabled assertions])])
AS_IF([test "$enable_float" = yes], [AC_DEFINE([ENABLE_FLOAT], [1], [enabled floating-point arithmetic])])
AS_IF([test "$enable_werror" = yes], [AC_DEFINE([ENABLE_WERROR], [1], [enabled -Werror])])
dnl Features (disabled by default)
AS_IF([test "$enable_freestanding" = yes], [AC_DEFINE([ENABLE_FREESTANDING], [1], [build for freestanding environment])])
AS_IF([test "$enable_checks" = yes], [AC_DEFINE([ENABLE_CHECKS], [1], [enabled usual tests])])
AS_IF([test "$enable_checks_cppcheck" = yes], [AC_DEFINE([ENABLE_CHECKS_CPPCHECK], [1], [enabled cppcheck])])
AS_IF([test "$enable_split_libc" = yes], [AC_DEFINE([ENABLE_SPLIT_LIBC], [1], [split off libc])])
dnl Packages (enabled by default)
AS_IF([test "$with_arch_i386" = yes], [AC_DEFINE([WITH_ARCH_I386], [1], [with architecture i386])])
AS_IF([test "$with_arch_riscv64" = yes], [AC_DEFINE([WITH_ARCH_RISCV64], [1], [with architecture riscv64])])
AS_IF([test "$with_arch_x86_64" = yes], [AC_DEFINE([WITH_ARCH_X86_64], [1], [with architecture x86_64])])
AS_IF([test "$with_asm" = yes], [AC_DEFINE([WITH_ASM], [1], [with kernel assembler helpers])])
AS_IF([test "$with_elf" = yes], [AC_DEFINE([WITH_ELF], [1], [with ELF utils])])
AS_IF([test "$with_mbr" = yes], [AC_DEFINE([WITH_MBR], [1], [with MBR utils])])
AS_IF([test "$with_pfa" = yes], [AC_DEFINE([WITH_PFA], [1], [with Page Frame Allocator])])
dnl Packages (disabled by default)
AS_IF([test "$with_libc" = yes], [AC_DEFINE([WITH_LIBC], [1], [with libc replacement])])
dnl Packages (virtual)
AS_IF([test "$with_arch_i386" = yes], [AC_DEFINE([WITH_ARCH_X86], [1], [with architecture x86])])
AS_IF([test "$with_arch_x86_64" = yes], [AC_DEFINE([WITH_ARCH_X86], [1], [with architecture x86])])
##########################
# Autoconf substitutions #
##########################
dnl Features (with parameter)
AC_SUBST([pkgconfdir], [$enable_pkg_config])
dnl Packages (enabled by default)
AS_IF([test "$with_arch_i386" = no], [AC_SUBST([comment_line_arch_i386], [//])])
AS_IF([test "$with_arch_riscv64" = no], [AC_SUBST([comment_line_arch_riscv64], [//])])
AS_IF([test "$with_arch_x86_64" = no], [AC_SUBST([comment_line_arch_x86_64], [//])])
AS_IF([test "$with_elf" = no], [AC_SUBST([comment_line_elf], [//])])
AS_IF([test "$with_mbr" = no], [AC_SUBST([comment_line_mbr], [//])])
AS_IF([test "$with_pfa" = no], [AC_SUBST([comment_line_pfa], [//])])
###################
# Set build flags #
###################
AS_IF([test "$enable_freestanding" = yes],
[CFLAGS="$CFLAGS -nostdlib -ffreestanding -fno-pic -fno-stack-protector "],
[CFLAGS="$CFLAGS -fpic "])
##############
# Run checks #
##############
AC_LANG([C])
AM_PROG_AS
AC_C_INLINE
AC_HEADER_STDBOOL
AS_IF([test "$enable_checks" = yes -a "$ac_cv_header_stdbool_h" != yes],
[AC_MSG_ERROR([the header is required])])
AC_CHECK_HEADERS([limits.h stdarg.h stddef.h stdint.h],,
[AC_MSG_ERROR([the headers are required])])
AS_IF([test "$enable_checks" = yes],
[AC_CHECK_HEADERS([assert.h setjmp.h stdio.h stdlib.h string.h],,
[AC_MSG_ERROR([the headers are required])])])
AC_PATH_PROGS([CPPCHECK], [cppcheck], [:])
AS_IF([test "$enable_checks_cppcheck" = yes -a "$CPPCHECK" = ':'],
[AC_MSG_ERROR([cppcheck is required])])
######################
# Initialize Libtool #
######################
LT_INIT
##########
# Finish #
##########
AC_OUTPUT
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