/
configure.ac
393 lines (310 loc) · 19.5 KB
/
configure.ac
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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
examples/Makefile
fixtures/Makefile
fixtures/multiboot2_bin_examples_gen.c
include/Makefile
include/kernaux/version.h
tests/Makefile
tests/test_multiboot2_header_print.c
tests/test_multiboot2_info_print.c
])
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([fixtures], AS_HELP_STRING([--enable-fixtures], [enable fixtures for tests and bindings]))
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 and examples]))
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([checks-pthreads], AS_HELP_STRING([--enable-checks-pthreads], [enable tests that require pthreads]))
AC_ARG_ENABLE([checks-python], AS_HELP_STRING([--enable-checks-python], [enable tests that require Python 3 with YAML and Jinja2]))
dnl Features (with parameter)
AC_ARG_ENABLE([pkg-config], AS_HELP_STRING([--enable-pkg-config@<:@=PATH@:>@], [install pkg-config files @<:@PATH='${libdir}/pkgconfig'@:>@]))
dnl Packages (enabled by default)
AC_ARG_WITH( [all], AS_HELP_STRING([--without-all], [without all default packages]))
AC_ARG_WITH( [arch-all], AS_HELP_STRING([--without-arch-all], [without all architectures]))
AC_ARG_WITH( [arch-i386], AS_HELP_STRING([--without-arch-i386], [without architecture i386]))
AC_ARG_WITH( [arch-riscv64], AS_HELP_STRING([--without-arch-riscv64], [without architecture riscv64]))
AC_ARG_WITH( [arch-x86-64], AS_HELP_STRING([--without-arch-x86-64], [without architecture x86-64]))
AC_ARG_WITH( [asm], AS_HELP_STRING([--without-asm], [without kernel assembler helpers]))
AC_ARG_WITH( [cmdline], AS_HELP_STRING([--without-cmdline], [without command line parser]))
AC_ARG_WITH( [elf], AS_HELP_STRING([--without-elf], [without ELF utils]))
AC_ARG_WITH( [free-list], AS_HELP_STRING([--without-free-list], [without free list memory allocator]))
AC_ARG_WITH( [mbr], AS_HELP_STRING([--without-mbr], [without MBR utils]))
AC_ARG_WITH( [memmap], AS_HELP_STRING([--without-memmap], [without memory map]))
AC_ARG_WITH( [multiboot2], AS_HELP_STRING([--without-multiboot2], [without Multiboot 2 utils]))
AC_ARG_WITH( [ntoa], AS_HELP_STRING([--without-ntoa], [without itoa/ftoa]))
AC_ARG_WITH( [pfa], AS_HELP_STRING([--without-pfa], [without Page Frame Allocator]))
AC_ARG_WITH( [printf], AS_HELP_STRING([--without-printf], [without printf]))
AC_ARG_WITH( [printf-fmt], AS_HELP_STRING([--without-printf-fmt], [without printf format parser]))
AC_ARG_WITH( [units], AS_HELP_STRING([--without-units], [without measurement units utils]))
################
# Default args #
################
AC_DEFUN([do_enable_checks_all],
[
if test -z "$enable_checks"; then enable_checks=yes; fi
if test -z "$enable_checks_cppcheck"; then enable_checks_cppcheck=yes; fi
if test -z "$enable_checks_pthreads"; then enable_checks_pthreads=yes; fi
if test -z "$enable_checks_python"; then enable_checks_python=yes; fi
])
AS_IF([test "$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 "$with_cmdline"; then with_cmdline=no; fi
if test -z "$with_elf"; then with_elf=no; fi
if test -z "$with_free_list"; then with_free_list=no; fi
if test -z "$with_mbr"; then with_mbr=no; fi
if test -z "$with_memmap"; then with_memmap=no; fi
if test -z "$with_multiboot2"; then with_multiboot2=no; fi
if test -z "$with_ntoa"; then with_ntoa=no; fi
if test -z "$with_pfa"; then with_pfa=no; fi
if test -z "$with_printf"; then with_printf=no; fi
if test -z "$with_printf_fmt"; then with_printf_fmt=no; fi
if test -z "$with_units"; then with_units=no; fi
])
AS_IF([test "$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_fixtures" = yes], [enable_fixtures=yes], [enable_fixtures=no])
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 "$enable_checks_pthreads" = yes], [enable_checks_pthreads=yes], [enable_checks_pthreads=no])
AS_IF([test "$enable_checks_python" = yes], [enable_checks_python=yes], [enable_checks_python=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_cmdline" = no ], [with_cmdline=no], [with_cmdline=yes])
AS_IF([test "$with_elf" = no ], [with_elf=no], [with_elf=yes])
AS_IF([test "$with_free_list" = no ], [with_free_list=no], [with_free_list=yes])
AS_IF([test "$with_mbr" = no ], [with_mbr=no], [with_mbr=yes])
AS_IF([test "$with_memmap" = no ], [with_memmap=no], [with_memmap=yes])
AS_IF([test "$with_multiboot2" = no ], [with_multiboot2=no], [with_multiboot2=yes])
AS_IF([test "$with_ntoa" = no ], [with_ntoa=no], [with_ntoa=yes])
AS_IF([test "$with_pfa" = no ], [with_pfa=no], [with_pfa=yes])
AS_IF([test "$with_printf" = no ], [with_printf=no], [with_printf=yes])
AS_IF([test "$with_printf_fmt" = no ], [with_printf_fmt=no], [with_printf_fmt=yes])
AS_IF([test "$with_units" = no ], [with_units=no], [with_units=yes])
#############
# Test args #
#############
AS_IF([test "$enable_checks" = yes -a "$enable_freestanding" = yes], AC_MSG_ERROR([can not build freestanding tests]))
AS_IF([test "$enable_fixtures" = yes -a "$enable_freestanding" = yes], AC_MSG_ERROR([can not build freestanding fixtures]))
AS_IF([test "$with_printf" = yes -a "$with_ntoa" = no], AC_MSG_ERROR([package `printf' requires package `ntoa']))
AS_IF([test "$with_printf" = yes -a "$with_printf_fmt" = no], AC_MSG_ERROR([package `printf' requires package `printf-fmt']))
AS_IF([test "$with_units" = yes -a "$with_ntoa" = no], AC_MSG_ERROR([package `units' requires package `ntoa']))
#########################
# 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_FIXTURES], [test "$enable_fixtures" = yes])
AM_CONDITIONAL([ENABLE_FREESTANDING], [test "$enable_freestanding" = yes])
AM_CONDITIONAL([ENABLE_CHECKS], [test "$enable_checks" = yes])
AM_CONDITIONAL([ENABLE_CHECKS_CPPCHECK], [test "$enable_checks_cppcheck" = yes])
AM_CONDITIONAL([ENABLE_CHECKS_PTHREADS], [test "$enable_checks_pthreads" = yes])
AM_CONDITIONAL([ENABLE_CHECKS_PYTHON], [test "$enable_checks_python" = 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 "$with_asm" = yes])
AM_CONDITIONAL([WITH_CMDLINE], [test "$with_cmdline" = yes])
AM_CONDITIONAL([WITH_ELF], [test "$with_elf" = yes])
AM_CONDITIONAL([WITH_FREE_LIST], [test "$with_free_list" = yes])
AM_CONDITIONAL([WITH_MBR], [test "$with_mbr" = yes])
AM_CONDITIONAL([WITH_MEMMAP], [test "$with_memmap" = yes])
AM_CONDITIONAL([WITH_MULTIBOOT2], [test "$with_multiboot2" = yes])
AM_CONDITIONAL([WITH_NTOA], [test "$with_ntoa" = yes])
AM_CONDITIONAL([WITH_PFA], [test "$with_pfa" = yes])
AM_CONDITIONAL([WITH_PRINTF], [test "$with_printf" = yes])
AM_CONDITIONAL([WITH_PRINTF_FMT], [test "$with_printf_fmt" = yes])
AM_CONDITIONAL([WITH_UNITS], [test "$with_units" = 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 "$enable_fixtures" = yes], [AC_DEFINE([ENABLE_FIXTURES], [1], [enabled fixtures for tests and bindings])])
AS_IF([test "$enable_freestanding" = yes], [AC_DEFINE([ENABLE_FREESTANDING], [1], [build for freestanding environment])])
AS_IF([test "$enable_checks" = yes], [AC_DEFINE([ENABLE_CHECKS], [1], [enabled usual tests and examples])])
AS_IF([test "$enable_checks_cppcheck" = yes], [AC_DEFINE([ENABLE_CHECKS_CPPCHECK], [1], [enabled cppcheck])])
AS_IF([test "$enable_checks_pthreads" = yes], [AC_DEFINE([ENABLE_CHECKS_PTHREADS], [1], [enabled tests that require pthreads])])
AS_IF([test "$enable_checks_python" = yes], [AC_DEFINE([ENABLE_CHECKS_PYTHON], [1], [enabled tests that require Python 3 with YAML and Jinja2])])
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 "$with_cmdline" = yes], [AC_DEFINE([WITH_CMDLINE], [1], [with command line parser])])
AS_IF([test "$with_elf" = yes], [AC_DEFINE([WITH_ELF], [1], [with ELF utils])])
AS_IF([test "$with_free_list" = yes], [AC_DEFINE([WITH_FREE_LIST], [1], [with free list memory allocator])])
AS_IF([test "$with_mbr" = yes], [AC_DEFINE([WITH_MBR], [1], [with MBR utils])])
AS_IF([test "$with_memmap" = yes], [AC_DEFINE([WITH_MEMMAP], [1], [with memory map])])
AS_IF([test "$with_multiboot2" = yes], [AC_DEFINE([WITH_MULTIBOOT2], [1], [with Multiboot 2 utils])])
AS_IF([test "$with_ntoa" = yes], [AC_DEFINE([WITH_NTOA], [1], [with ntoa])])
AS_IF([test "$with_pfa" = yes], [AC_DEFINE([WITH_PFA], [1], [with Page Frame Allocator])])
AS_IF([test "$with_printf" = yes], [AC_DEFINE([WITH_PRINTF], [1], [with printf])])
AS_IF([test "$with_printf_fmt" = yes], [AC_DEFINE([WITH_PRINTF_FMT], [1], [with printf format parser])])
AS_IF([test "$with_units", = yes], [AC_DEFINE([WITH_UNITS], [1], [with measurement units utils])])
dnl Packages (virtual)
AS_IF([test "$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_cmdline" = no], [AC_SUBST([comment_line_cmdline], [//])])
AS_IF([test "$with_elf" = no], [AC_SUBST([comment_line_elf], [//])])
AS_IF([test "$with_free_list" = no], [AC_SUBST([comment_line_free_list], [//])])
AS_IF([test "$with_mbr" = no], [AC_SUBST([comment_line_mbr], [//])])
AS_IF([test "$with_memmap" = no], [AC_SUBST([comment_line_memmap], [//])])
AS_IF([test "$with_multiboot2" = no], [AC_SUBST([comment_line_multiboot2], [//])])
AS_IF([test "$with_ntoa" = no], [AC_SUBST([comment_line_ntoa], [//])])
AS_IF([test "$with_pfa" = no], [AC_SUBST([comment_line_pfa], [//])])
AS_IF([test "$with_printf" = no], [AC_SUBST([comment_line_printf], [//])])
AS_IF([test "$with_printf_fmt" = no], [AC_SUBST([comment_line_printf_fmt], [//])])
AS_IF([test "$with_units" = no], [AC_SUBST([comment_line_units], [//])])
###################
# 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])])])
AS_IF([test "$enable_checks" = yes -a "$enable_checks_pthreads" = yes],
[AC_CHECK_HEADERS([pthread.h],,
[AC_MSG_ERROR([the header is required])])])
AM_PATH_PYTHON([3.8],, [:])
AS_IF([test "$enable_checks_python" = yes -a "$enable_checks" = yes -a "$PYTHON" = ':'],
[AC_MSG_ERROR([Python is required])])
AC_PATH_PROGS([CPPCHECK], [cppcheck], [:])
AS_IF([test "$enable_checks_cppcheck" = yes -a "$CPPCHECK" = ':'],
[AC_MSG_ERROR([cppcheck is required])])
AC_CACHE_CHECK([for Python YAML],
[libkernaux_cv_shell_pythonyaml_exists],
[libkernaux_cv_shell_pythonyaml_exists=no
PYTHON_YAML=no
if test "$PYTHON" != ':'; then
if test "$($PYTHON -c 'import yaml; print(yaml.__package__)')" = 'yaml'; then
libkernaux_cv_shell_pythonyaml_exists=yes
PYTHON_YAML=yes
fi
fi])
AS_IF([test "$enable_checks_python" = yes -a "$enable_checks" = yes -a "$PYTHON_YAML" != 'yes'],
[AC_MSG_ERROR([Python YAML is required])])
AC_CACHE_CHECK([for Python Jinja 2],
[libkernaux_cv_shell_pythonjinja2_exists],
[libkernaux_cv_shell_pythonjinja2_exists=no
PYTHON_JINJA2=no
if test "$PYTHON" != ':'; then
if test "$($PYTHON -c 'import jinja2; print(jinja2.__package__)')" = 'jinja2'; then
libkernaux_cv_shell_pythonjinja2_exists=yes
PYTHON_JINJA2=yes
fi
fi])
AS_IF([test "$enable_checks_python" = yes -a "$enable_checks" = yes -a "$PYTHON_JINJA2" != 'yes'],
[AC_MSG_ERROR([Python Jinja 2 is required])])
######################
# Initialize Libtool #
######################
LT_INIT
##########
# Finish #
##########
AC_OUTPUT