mirror of https://github.com/tailix/libkernaux.git
321 lines
15 KiB
Plaintext
321 lines
15 KiB
Plaintext
############################
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# Specify program versions #
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############################
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AC_PREREQ([2.68])
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LT_PREREQ([2.4.6])
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#######################
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# Initialize Autoconf #
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#######################
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AC_INIT([libkernaux],
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[0.3.0],
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[https://github.com/tailix/libkernaux/issues],
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[libkernaux],
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[https://github.com/tailix/libkernaux])
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AC_CANONICAL_BUILD
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AC_CANONICAL_HOST
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AC_CONFIG_MACRO_DIRS([m4])
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AC_CONFIG_HEADERS([config.h])
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AC_CONFIG_SRCDIR([src/assert.c])
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AC_CONFIG_FILES([
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Makefile
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examples/Makefile
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include/Makefile
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libc/Makefile
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libc/include/Makefile
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libm/Makefile
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libm/include/Makefile
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include/kernaux.h
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include/kernaux/console.h
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include/kernaux/printf.h
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tests/Makefile
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])
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###############
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# Define args #
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###############
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dnl Features (enabled by default)
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AC_ARG_ENABLE([float], AS_HELP_STRING([--disable-float], [disable floating-point arithmetic]))
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AC_ARG_ENABLE([werror], AS_HELP_STRING([--disable-werror], [disable -Werror]))
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dnl Features (disabled by default)
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AC_ARG_ENABLE([freestanding], AS_HELP_STRING([--enable-freestanding], [build for freestanding environment]))
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AC_ARG_ENABLE([split-all], AS_HELP_STRING([--enable-split-all], [split off all libraries]))
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AC_ARG_ENABLE([split-libc], AS_HELP_STRING([--enable-split-libc], [split off libc]))
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AC_ARG_ENABLE([split-libm], AS_HELP_STRING([--enable-split-libm], [split off libm]))
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AC_ARG_ENABLE([tests], AS_HELP_STRING([--enable-tests], [enable usual tests and examples]))
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AC_ARG_ENABLE([tests-all], AS_HELP_STRING([--enable-tests-all], [enable all tests]))
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AC_ARG_ENABLE([tests-python], AS_HELP_STRING([--enable-tests-python], [enable tests that require Python 3 with YAML and Jinja2]))
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dnl Packages (enabled by default)
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AC_ARG_WITH( [all], AS_HELP_STRING([--without-all], [without all default packages]))
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AC_ARG_WITH( [cmdline], AS_HELP_STRING([--without-cmdline], [without command line parser]))
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AC_ARG_WITH( [console], AS_HELP_STRING([--without-console], [without serial console]))
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AC_ARG_WITH( [elf], AS_HELP_STRING([--without-elf], [without ELF utils]))
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AC_ARG_WITH( [file], AS_HELP_STRING([--without-file], [without file simulator]))
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AC_ARG_WITH( [framebuffer], AS_HELP_STRING([--without-framebuffer], [without framebuffer]))
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AC_ARG_WITH( [mbr], AS_HELP_STRING([--without-mbr], [without Master Boot Record]))
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AC_ARG_WITH( [multiboot2], AS_HELP_STRING([--without-multiboot2], [without Multiboot 2 information parser]))
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AC_ARG_WITH( [ntoa], AS_HELP_STRING([--without-ntoa], [without itoa/ftoa]))
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AC_ARG_WITH( [pfa], AS_HELP_STRING([--without-pfa], [without Page Frame Allocator]))
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AC_ARG_WITH( [printf], AS_HELP_STRING([--without-printf], [without printf]))
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AC_ARG_WITH( [printf-fmt], AS_HELP_STRING([--without-printf-fmt], [without printf format parser]))
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AC_ARG_WITH( [units], AS_HELP_STRING([--without-units], [without measurement units utils]))
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dnl Packages (disabled by default)
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AC_ARG_WITH( [libc], AS_HELP_STRING([--with-libc], [with libc replacement]))
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AC_ARG_WITH( [libm], AS_HELP_STRING([--with-libm], [with libm replacement]))
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################
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# Default args #
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################
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AC_DEFUN([do_enable_split_all],
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[
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if test -z "$enable_split_libc"; then enable_split_libc=yes; fi
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if test -z "$enable_split_libm"; then enable_split_libm=yes; fi
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])
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AS_IF([test "$enable_split_all" = yes], do_enable_split_all)
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AC_DEFUN([do_enable_tests_all],
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[
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if test -z "$enable_tests"; then enable_tests=yes; fi
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if test -z "$enable_tests_python"; then enable_tests_python=yes; fi
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])
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AS_IF([test "$enable_tests_all" = yes], do_enable_tests_all)
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AC_DEFUN([do_without_all],
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[
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if test -z "$with_cmdline"; then with_cmdline=no; fi
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if test -z "$with_console"; then with_console=no; fi
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if test -z "$with_elf"; then with_elf=no; fi
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if test -z "$with_file"; then with_file=no; fi
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if test -z "$with_framebuffer"; then with_framebuffer=no; fi
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if test -z "$with_mbr"; then with_mbr=no; fi
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if test -z "$with_multiboot2"; then with_multiboot2=no; fi
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if test -z "$with_ntoa"; then with_ntoa=no; fi
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if test -z "$with_pfa"; then with_pfa=no; fi
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if test -z "$with_printf"; then with_printf=no; fi
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if test -z "$with_printf_fmt"; then with_printf_fmt=no; fi
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if test -z "$with_units"; then with_units=no; fi
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])
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AS_IF([test "$with_all" = no], do_without_all)
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##################
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# Normalize args #
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##################
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dnl Features (enabled by default)
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AS_IF([test "$enable_float" = no ], [enable_float=no], [enable_float=yes])
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AS_IF([test "$enable_werror" = no ], [enable_werror=no], [enable_werror=yes])
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dnl Features (disabled by default)
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AS_IF([test "$enable_freestanding" = yes], [enable_freestanding=yes], [enable_freestanding=no])
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AS_IF([test "$enable_split_all" = yes], [enable_split_all=yes], [enable_split_all=no])
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AS_IF([test "$enable_split_libc" = yes], [enable_split_libc=yes], [enable_split_libc=no])
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AS_IF([test "$enable_split_libm" = yes], [enable_split_libm=yes], [enable_split_libm=no])
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AS_IF([test "$enable_tests" = yes], [enable_tests=yes], [enable_tests=no])
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AS_IF([test "$enable_tests_all" = yes], [enable_tests_all=yes], [enable_tests_all=no])
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AS_IF([test "$enable_tests_python" = yes], [enable_tests_python=yes], [enable_tests_python=no])
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dnl Packages (enabled by default)
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AS_IF([test "$with_all" = no ], [with_all=no], [with_all=yes])
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AS_IF([test "$with_cmdline" = no ], [with_cmdline=no], [with_cmdline=yes])
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AS_IF([test "$with_console" = no ], [with_console=no], [with_console=yes])
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AS_IF([test "$with_elf" = no ], [with_elf=no], [with_elf=yes])
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AS_IF([test "$with_file" = no ], [with_file=no], [with_file=yes])
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AS_IF([test "$with_framebuffer" = no ], [with_framebuffer=no], [with_framebuffer=yes])
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AS_IF([test "$with_mbr" = no ], [with_mbr=no], [with_mbr=yes])
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AS_IF([test "$with_multiboot2" = no ], [with_multiboot2=no], [with_multiboot2=yes])
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AS_IF([test "$with_ntoa" = no ], [with_ntoa=no], [with_ntoa=yes])
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AS_IF([test "$with_pfa" = no ], [with_pfa=no], [with_pfa=yes])
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AS_IF([test "$with_printf" = no ], [with_printf=no], [with_printf=yes])
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AS_IF([test "$with_printf_fmt" = no ], [with_printf_fmt=no], [with_printf_fmt=yes])
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AS_IF([test "$with_units" = no ], [with_units=no], [with_units=yes])
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dnl Packages (disabled by default)
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AS_IF([test "$with_libc" = yes], [with_libc=yes], [with_libc=no])
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AS_IF([test "$with_libm" = yes], [with_libm=yes], [with_libm=no])
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#############
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# Test args #
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#############
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AS_IF([test "$enable_tests" = yes -a "$host_cpu" != "$build_cpu" ], AC_MSG_ERROR([can not build cross-platform tests]))
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AS_IF([test "$enable_tests_python" = yes -a "$host_cpu" != "$build_cpu" ], AC_MSG_ERROR([can not build cross-platform tests]))
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AS_IF([test "$enable_tests" = yes -a "$enable_freestanding" = yes], AC_MSG_ERROR([can not build freestanding tests]))
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AS_IF([test "$enable_tests_python" = yes -a "$enable_freestanding" = yes], AC_MSG_ERROR([can not build freestanding tests]))
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AS_IF([test "$enable_tests" = yes -a "$with_libc" = yes], AC_MSG_ERROR([can not use package `libc' with tests]))
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AS_IF([test "$enable_tests_python" = yes -a "$with_libc" = yes], AC_MSG_ERROR([can not use package `libc' with tests]))
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AS_IF([test "$enable_tests" = yes -a "$with_libm" = yes], AC_MSG_ERROR([can not use package `libm' with tests]))
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AS_IF([test "$enable_tests_python" = yes -a "$with_libm" = yes], AC_MSG_ERROR([can not use package `libm' with tests]))
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AS_IF([test "$with_printf" = yes -a "$with_ntoa" = no], AC_MSG_ERROR([package `printf' requires package `ntoa']))
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AS_IF([test "$with_printf" = yes -a "$with_printf_fmt" = no], AC_MSG_ERROR([package `printf' requires package `printf-fmt']))
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AS_IF([test "$with_units" = yes -a "$with_ntoa" = no], AC_MSG_ERROR([package `units' requires package `ntoa']))
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#########################
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# Automake conditionals #
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#########################
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dnl Architecture
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AM_CONDITIONAL([ASM_I386], [test "$host_cpu" = i386])
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AM_CONDITIONAL([ASM_RISCV64], [test "$host_cpu" = riscv64])
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AM_CONDITIONAL([ASM_X86_64], [test "$host_cpu" = x86_64])
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dnl Features (enabled by default)
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AM_CONDITIONAL([ENABLE_FLOAT], [test "$enable_float" = yes])
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AM_CONDITIONAL([ENABLE_WERROR], [test "$enable_werror" = yes])
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dnl Features (disabled by default)
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AM_CONDITIONAL([ENABLE_FREESTANDING], [test "$enable_freestanding" = yes])
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AM_CONDITIONAL([ENABLE_SPLIT_LIBC], [test "$enable_split_libc" = yes])
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AM_CONDITIONAL([ENABLE_SPLIT_LIBM], [test "$enable_split_libm" = yes])
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AM_CONDITIONAL([ENABLE_TESTS], [test "$enable_tests" = yes])
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AM_CONDITIONAL([ENABLE_TESTS_PYTHON], [test "$enable_tests_python" = yes])
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dnl Packages (enabled by default)
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AM_CONDITIONAL([WITH_CMDLINE], [test "$with_cmdline" = yes])
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AM_CONDITIONAL([WITH_CONSOLE], [test "$with_console" = yes])
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AM_CONDITIONAL([WITH_ELF], [test "$with_elf" = yes])
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AM_CONDITIONAL([WITH_FILE], [test "$with_file" = yes])
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AM_CONDITIONAL([WITH_FRAMEBUFFER], [test "$with_framebuffer" = yes])
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AM_CONDITIONAL([WITH_MBR], [test "$with_mbr" = yes])
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AM_CONDITIONAL([WITH_MULTIBOOT2], [test "$with_multiboot2" = yes])
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AM_CONDITIONAL([WITH_NTOA], [test "$with_ntoa" = yes])
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AM_CONDITIONAL([WITH_PFA], [test "$with_pfa" = yes])
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AM_CONDITIONAL([WITH_PRINTF], [test "$with_printf" = yes])
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AM_CONDITIONAL([WITH_PRINTF_FMT], [test "$with_printf_fmt" = yes])
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AM_CONDITIONAL([WITH_UNITS], [test "$with_units" = yes])
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dnl Packages (disabled by default)
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AM_CONDITIONAL([WITH_LIBC], [test "$with_libc" = yes])
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AM_CONDITIONAL([WITH_LIBM], [test "$with_libm" = yes])
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####################
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# Autoconf defines #
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####################
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dnl Architecture
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AS_IF([test "$host_cpu" = i386], [AC_DEFINE([ASM_I386], [1], [architecture is i386])])
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AS_IF([test "$host_cpu" = riscv64], [AC_DEFINE([ASM_RISCV64], [1], [architecture is RISC-V 64-bit])])
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AS_IF([test "$host_cpu" = x86_64], [AC_DEFINE([ASM_X86_64], [1], [architecture is x86_64])])
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dnl Features (enabled by default)
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AS_IF([test "$enable_float" = yes], [AC_DEFINE([ENABLE_FLOAT], [1], [enabled floating-point arithmetic])])
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AS_IF([test "$enable_werror" = yes], [AC_DEFINE([ENABLE_WERROR], [1], [enabled -Werror])])
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dnl Features (disabled by default)
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AS_IF([test "$enable_split_libc" = yes], [AC_DEFINE([ENABLE_SPLIT_LIBC], [1], [split off libc])])
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AS_IF([test "$enable_split_libm" = yes], [AC_DEFINE([ENABLE_SPLIT_LIBM], [1], [split off libm])])
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AS_IF([test "$enable_freestanding" = yes], [AC_DEFINE([ENABLE_FREESTANDING], [1], [build for freestanding environment])])
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AS_IF([test "$enable_tests" = yes], [AC_DEFINE([ENABLE_TESTS], [1], [enabled usual tests and examples])])
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AS_IF([test "$enable_tests_python" = yes], [AC_DEFINE([ENABLE_TESTS_PYTHON], [1], [enabled tests that require Python 3 with YAML and Jinja2])])
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dnl Packages (enabled by default)
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AS_IF([test "$with_cmdline" = yes], [AC_DEFINE([WITH_CMDLINE], [1], [with command line parser])])
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AS_IF([test "$with_console" = yes], [AC_DEFINE([WITH_CONSOLE], [1], [with serial console])])
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AS_IF([test "$with_elf" = yes], [AC_DEFINE([WITH_ELF], [1], [with ELF utils])])
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AS_IF([test "$with_file" = yes], [AC_DEFINE([WITH_FILE], [1], [with file simulator])])
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AS_IF([test "$with_framebuffer" = yes], [AC_DEFINE([WITH_FRAMEBUFFER], [1], [with framebuffer])])
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AS_IF([test "$with_mbr" = yes], [AC_DEFINE([WITH_MBR], [1], [with Master Boot Record])])
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AS_IF([test "$with_multiboot2" = yes], [AC_DEFINE([WITH_MULTIBOOT2], [1], [with Multiboot 2 information parser])])
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AS_IF([test "$with_ntoa" = yes], [AC_DEFINE([WITH_NTOA], [1], [with ntoa])])
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AS_IF([test "$with_pfa" = yes], [AC_DEFINE([WITH_PFA], [1], [with Page Frame Allocator])])
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AS_IF([test "$with_printf" = yes], [AC_DEFINE([WITH_PRINTF], [1], [with printf])])
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AS_IF([test "$with_printf_fmt" = yes], [AC_DEFINE([WITH_PRINTF_FMT], [1], [with printf format parser])])
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AS_IF([test "$with_units", = yes], [AC_DEFINE([WITH_UNITS], [1], [with measurement units utils])])
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dnl Packages (disabled by default)
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AS_IF([test "$with_libc" = yes], [AC_DEFINE([WITH_LIBC], [1], [with libc replacement])])
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AS_IF([test "$with_libm" = yes], [AC_DEFINE([WITH_LIBM], [1], [with libm replacement])])
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##########################
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# Autoconf substitutions #
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##########################
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dnl Packages (enabled by default)
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AS_IF([test "$with_cmdline" = no], [AC_SUBST([comment_line_cmdline], [//])])
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AS_IF([test "$with_console" = no], [AC_SUBST([comment_line_console], [//])])
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AS_IF([test "$with_elf" = no], [AC_SUBST([comment_line_elf], [//])])
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AS_IF([test "$with_file" = no], [AC_SUBST([comment_line_file], [//])])
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AS_IF([test "$with_framebuffer" = no], [AC_SUBST([comment_line_framebuffer], [//])])
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AS_IF([test "$with_mbr" = no], [AC_SUBST([comment_line_mbr], [//])])
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AS_IF([test "$with_multiboot2" = no], [AC_SUBST([comment_line_multiboot2], [//])])
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AS_IF([test "$with_ntoa" = no], [AC_SUBST([comment_line_ntoa], [//])])
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AS_IF([test "$with_pfa" = no], [AC_SUBST([comment_line_pfa], [//])])
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AS_IF([test "$with_printf" = no], [AC_SUBST([comment_line_printf], [//])])
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AS_IF([test "$with_printf_fmt" = no], [AC_SUBST([comment_line_printf_fmt], [//])])
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AS_IF([test "$with_units" = no], [AC_SUBST([comment_line_units], [//])])
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###################
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# Set build flags #
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###################
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AC_DEFUN([do_enable_freestanding], [CFLAGS+=' -nostdlib -ffreestanding -fno-pic -fno-stack-protector '])
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AC_DEFUN([do_disable_freestanding], [CFLAGS+=' -fpic '])
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AS_IF([test "$enable_freestanding" = yes], do_enable_freestanding, do_disable_freestanding)
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#######################
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# Initialize Automake #
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#######################
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AM_INIT_AUTOMAKE([1.16 subdir-objects])
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##############
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# Run checks #
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##############
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AC_LANG([C])
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AM_PROG_AR
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AM_PROG_AS
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AC_PROG_CC
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AC_PROG_CC_C99
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AC_C_INLINE
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AC_CHECK_HEADER_STDBOOL
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AC_CHECK_HEADERS([stdarg.h stddef.h stdint.h])
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######################
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# Initialize Libtool #
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######################
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LT_INIT([disable-shared])
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##########
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# Finish #
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##########
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AC_OUTPUT
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