AC_PREREQ([2.68]) AC_INIT([libkernaux], [0.2.0], [https://github.com/tailix/libkernaux/issues], [libkernaux], [https://github.com/tailix/libkernaux]) AC_CONFIG_HEADERS([config.h]) AC_CONFIG_SRCDIR([src/assert.c]) AC_CANONICAL_BUILD AC_CANONICAL_HOST ############### # Define args # ############### dnl Features (enabled by default) AC_ARG_ENABLE([bloat], AS_HELP_STRING([--disable-bloat], [disable unnecessary heavy binary data])) AC_ARG_ENABLE([float], AS_HELP_STRING([--disable-float], [disable floating-point arithmetic])) AC_ARG_ENABLE([pic], AS_HELP_STRING([--disable-pic], [do not generate position-independent code])) AC_ARG_ENABLE([werror], AS_HELP_STRING([--disable-werror], [disable -Werror])) dnl Features (disabled by default) AC_ARG_ENABLE([tests], AS_HELP_STRING([--enable-tests], [enable tests and examples])) AC_ARG_ENABLE([tests-all], AS_HELP_STRING([--enable-tests-all], [enable all tests])) AC_ARG_ENABLE([tests-python], AS_HELP_STRING([--enable-tests-python], [enable tests that require Python])) dnl Packages (enabled by default) AC_ARG_WITH( [all], AS_HELP_STRING([--without-all], [without all default packages])) AC_ARG_WITH( [cmdline], AS_HELP_STRING([--without-cmdline], [without command line parser])) AC_ARG_WITH( [console], AS_HELP_STRING([--without-console], [without serial console])) AC_ARG_WITH( [elf], AS_HELP_STRING([--without-elf], [without ELF utils])) AC_ARG_WITH( [framebuffer], AS_HELP_STRING([--without-framebuffer], [without framebuffer])) AC_ARG_WITH( [mbr], AS_HELP_STRING([--without-mbr], [without Master Boot Record])) AC_ARG_WITH( [multiboot2], AS_HELP_STRING([--without-multiboot2], [without Multiboot 2 information parser])) 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( [units], AS_HELP_STRING([--without-units], [without measurement units utils])) dnl Packages (disabled by default) AC_ARG_WITH( [libc], AS_HELP_STRING([--with-libc], [with libc replacement])) AC_ARG_WITH( [libc-atoi], AS_HELP_STRING([--with-libc-atoi], [with atoi replacement])) AC_ARG_WITH( [libc-isdigit], AS_HELP_STRING([--with-libc-isdigit], [with isdigit replacement])) AC_ARG_WITH( [libc-isspace], AS_HELP_STRING([--with-libc-isspace], [with isspace replacement])) AC_ARG_WITH( [libc-memset], AS_HELP_STRING([--with-libc-memset], [with memset replacement])) AC_ARG_WITH( [libc-strcpy], AS_HELP_STRING([--with-libc-strcpy], [with strcpy replacement])) AC_ARG_WITH( [libc-strlen], AS_HELP_STRING([--with-libc-strlen], [with strlen replacement])) AC_ARG_WITH( [libc-strnlen], AS_HELP_STRING([--with-libc-strnlen], [with strnlen replacement])) ################ # Default args # ################ AC_DEFUN([do_enable_tests_all], [ if test -z "$enable_tests"; then enable_tests=yes; fi if test -z "$enable_tests_python"; then enable_tests_python=yes; fi ]) AS_IF([test "$enable_tests_all" = yes], do_enable_tests_all) AC_DEFUN([do_without_all], [ if test -z "$with_cmdline"; then with_cmdline=no; fi if test -z "$with_console"; then with_console=no; fi if test -z "$with_elf"; then with_elf=no; fi if test -z "$with_framebuffer"; then with_framebuffer=no; fi if test -z "$with_mbr"; then with_mbr=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 "$with_units"; then with_units=no; fi ]) AS_IF([test "$with_all" = no], do_without_all) AC_DEFUN([do_with_libc], [ if test -z "$with_libc_atoi"; then with_libc_atoi=yes; fi if test -z "$with_libc_isdigit"; then with_libc_isdigit=yes; fi if test -z "$with_libc_isspace"; then with_libc_isspace=yes; fi if test -z "$with_libc_memset"; then with_libc_memset=yes; fi if test -z "$with_libc_strcpy"; then with_libc_strcpy=yes; fi if test -z "$with_libc_strlen"; then with_libc_strlen=yes; fi if test -z "$with_libc_strnlen"; then with_libc_strnlen=yes; fi ]) AS_IF([test "$with_libc" = yes], do_with_libc) ################## # Normalize args # ################## dnl Features (enabled by default) AS_IF([test "$enable_bloat" = no ], [enable_bloat=no], [enable_bloat=yes]) AS_IF([test "$enable_float" = no ], [enable_float=no], [enable_float=yes]) AS_IF([test "$enable_pic" = no ], [enable_pic=no], [enable_pic=yes]) AS_IF([test "$enable_werror" = no ], [enable_werror=no], [enable_werror=yes]) dnl Features (disabled by default) AS_IF([test "$enable_tests" = yes], [enable_tests=yes], [enable_tests=no]) AS_IF([test "$enable_tests_all" = yes], [enable_tests_all=yes], [enable_tests_all=no]) AS_IF([test "$enable_tests_python" = yes], [enable_tests_python=yes], [enable_tests_python=no]) dnl Packages (enabled by default) AS_IF([test "$with_all" = no ], [with_all=no], [with_all=yes]) AS_IF([test "$with_cmdline" = no ], [with_cmdline=no], [with_cmdline=yes]) AS_IF([test "$with_console" = no ], [with_console=no], [with_console=yes]) AS_IF([test "$with_elf" = no ], [with_elf=no], [with_elf=yes]) AS_IF([test "$with_framebuffer" = no ], [with_framebuffer=no], [with_framebuffer=yes]) AS_IF([test "$with_mbr" = no ], [with_mbr=no], [with_mbr=yes]) AS_IF([test "$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_units" = no ], [with_units=no], [with_units=yes]) dnl Packages (disabled by default) AS_IF([test "$with_libc" = yes], [with_libc=yes], [with_libc=no]) AS_IF([test "$with_libc_atoi" = yes], [with_libc_atoi=yes], [with_libc_atoi=no]) AS_IF([test "$with_libc_isdigit" = yes], [with_libc_isdigit=yes], [with_libc_isdigit=no]) AS_IF([test "$with_libc_isspace" = yes], [with_libc_isspace=yes], [with_libc_isspace=no]) AS_IF([test "$with_libc_memset" = yes], [with_libc_memset=yes], [with_libc_memset=no]) AS_IF([test "$with_libc_strcpy" = yes], [with_libc_strcpy=yes], [with_libc_strcpy=no]) AS_IF([test "$with_libc_strlen" = yes], [with_libc_strlen=yes], [with_libc_strlen=no]) AS_IF([test "$with_libc_strnlen" = yes], [with_libc_strnlen=yes], [with_libc_strnlen=no]) ############# # Test args # ############# AS_IF([test "$enable_tests" = yes -a "$host_cpu" != "$build_cpu"], AC_MSG_ERROR([can not build cross-platform tests])) AS_IF([test "$enable_tests_python" = yes -a "$enable_tests" = no ], AC_MSG_ERROR([feature `tests-python` requires feature `tests`])) AS_IF([test "$with_printf" = yes -a "$with_ntoa" = no ], AC_MSG_ERROR([package `printf' requires package `ntoa'])) AS_IF([test "$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 Features (enabled by default) AM_CONDITIONAL([ENABLE_BLOAT], [test "$enable_bloat" = yes]) AM_CONDITIONAL([ENABLE_FLOAT], [test "$enable_float" = yes]) AM_CONDITIONAL([ENABLE_PIC], [test "$enable_pic" = yes]) AM_CONDITIONAL([ENABLE_WERROR], [test "$enable_werror" = yes]) dnl Features (disabled by default) AM_CONDITIONAL([ENABLE_TESTS], [test "$enable_tests" = yes]) AM_CONDITIONAL([ENABLE_TESTS_PYTHON], [test "$enable_tests_python" = yes]) dnl Packages (enabled by default) AM_CONDITIONAL([WITH_CMDLINE], [test "$with_cmdline" = yes]) AM_CONDITIONAL([WITH_CONSOLE], [test "$with_console" = yes]) AM_CONDITIONAL([WITH_ELF], [test "$with_elf" = yes]) AM_CONDITIONAL([WITH_FRAMEBUFFER], [test "$with_framebuffer" = yes]) AM_CONDITIONAL([WITH_MBR], [test "$with_mbr" = yes]) AM_CONDITIONAL([WITH_MULTIBOOT2], [test "$with_multiboot2" = yes]) AM_CONDITIONAL([WITH_NTOA], [test "$with_ntoa" = yes]) AM_CONDITIONAL([WITH_PFA], [test "$with_pfa" = yes]) AM_CONDITIONAL([WITH_PRINTF], [test "$with_printf" = yes]) AM_CONDITIONAL([WITH_UNITS], [test "$with_units" = yes]) dnl Packages (disabled by default) AM_CONDITIONAL([WITH_LIBC_ATOI], [test "$with_libc_atoi" = yes]) AM_CONDITIONAL([WITH_LIBC_ISDIGIT], [test "$with_libc_isdigit" = yes]) AM_CONDITIONAL([WITH_LIBC_ISSPACE], [test "$with_libc_isspace" = yes]) AM_CONDITIONAL([WITH_LIBC_MEMSET], [test "$with_libc_memset" = yes]) AM_CONDITIONAL([WITH_LIBC_STRCPY], [test "$with_libc_strcpy" = yes]) AM_CONDITIONAL([WITH_LIBC_STRLEN], [test "$with_libc_strlen" = yes]) AM_CONDITIONAL([WITH_LIBC_STRNLEN], [test "$with_libc_strnlen" = yes]) #################### # Autoconf defines # #################### dnl Architecture AS_IF([test "$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 Features (enabled by default) AS_IF([test "$enable_bloat" = yes], [AC_DEFINE([ENABLE_BLOAT], [1], [enabled unnecessary heavy binary data])]) AS_IF([test "$enable_float" = yes], [AC_DEFINE([ENABLE_FLOAT], [1], [enabled floating-point arithmetic])]) AS_IF([test "$enable_pic" = yes], [AC_DEFINE([ENABLE_PIC], [1], [generate position-independent code])]) AS_IF([test "$enable_werror" = yes], [AC_DEFINE([ENABLE_WERROR], [1], [enabled -Werror])]) dnl Features (disabled by default) AS_IF([test "$enable_tests" = yes], [AC_DEFINE([ENABLE_TESTS], [1], [enabled tests and examples])]) AS_IF([test "$enable_tests_python" = yes], [AC_DEFINE([ENABLE_TESTS_PYTHON], [1], [enable tests that require Python])]) dnl Packages (enabled by default) AS_IF([test "$with_cmdline" = yes], [AC_DEFINE([WITH_CMDLINE], [1], [with command line parser])]) AS_IF([test "$with_console" = yes], [AC_DEFINE([WITH_CONSOLE], [1], [with serial console])]) AS_IF([test "$with_elf" = yes], [AC_DEFINE([WITH_ELF], [1], [with ELF utils])]) AS_IF([test "$with_framebuffer" = yes], [AC_DEFINE([WITH_FRAMEBUFFER], [1], [with framebuffer])]) AS_IF([test "$with_mbr" = yes], [AC_DEFINE([WITH_MBR], [1], [with Master Boot Record])]) AS_IF([test "$with_multiboot2" = yes], [AC_DEFINE([WITH_MULTIBOOT2], [1], [with Multiboot 2 information parser])]) 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_units", = yes], [AC_DEFINE([WITH_UNITS], [1], [with measurement units utils])]) dnl Packages (disabled by default) AS_IF([test "$with_libc_atoi" = yes], [AC_DEFINE([WITH_LIBC_ATOI], [1], [with atoi replacement])]) AS_IF([test "$with_libc_isdigit" = yes], [AC_DEFINE([WITH_LIBC_ISDIGIT], [1], [with isdigit replacement])]) AS_IF([test "$with_libc_isspace" = yes], [AC_DEFINE([WITH_LIBC_ISSPACE], [1], [with isspace replacement])]) AS_IF([test "$with_libc_memset" = yes], [AC_DEFINE([WITH_LIBC_MEMSET], [1], [with memset replacement])]) AS_IF([test "$with_libc_strcpy" = yes], [AC_DEFINE([WITH_LIBC_STRCPY], [1], [with strcpy replacement])]) AS_IF([test "$with_libc_strlen" = yes], [AC_DEFINE([WITH_LIBC_STRLEN], [1], [with strlen replacement])]) AS_IF([test "$with_libc_strnlen" = yes], [AC_DEFINE([WITH_LIBC_STRNLEN], [1], [with strnlen replacement])]) ########################## # Autoconf substitutions # ########################## dnl Architecture AS_IF([test "$host_cpu" != i386], [AC_SUBST([comment_line_asm_i386], [//])]) AS_IF([test "$host_cpu" != riscv64], [AC_SUBST([comment_line_asm_riscv64], [//])]) AS_IF([test "$host_cpu" != x86_64], [AC_SUBST([comment_line_asm_x86_64], [//])]) dnl Packages (enabled by default) AS_IF([test "$with_cmdline" = no], [AC_SUBST([comment_line_cmdline], [//])]) AS_IF([test "$with_console" = no], [AC_SUBST([comment_line_console], [//])]) AS_IF([test "$with_elf" = no], [AC_SUBST([comment_line_elf], [//])]) AS_IF([test "$with_framebuffer" = no], [AC_SUBST([comment_line_framebuffer], [//])]) AS_IF([test "$with_mbr" = no], [AC_SUBST([comment_line_mbr], [//])]) AS_IF([test "$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_units" = no], [AC_SUBST([comment_line_units], [//])]) dnl Packages (disabled by default) AS_IF([test "$with_libc_atoi" = no], [AC_SUBST([comment_line_libc_atoi], [//])]) AS_IF([test "$with_libc_isdigit" = no], [AC_SUBST([comment_line_libc_isdigit], [//])]) AS_IF([test "$with_libc_isspace" = no], [AC_SUBST([comment_line_libc_isspace], [//])]) AS_IF([test "$with_libc_memset" = no], [AC_SUBST([comment_line_libc_memset], [//])]) AS_IF([test "$with_libc_strcpy" = no], [AC_SUBST([comment_line_libc_strcpy], [//])]) AS_IF([test "$with_libc_strlen" = no], [AC_SUBST([comment_line_libc_strlen], [//])]) AS_IF([test "$with_libc_strnlen" = no], [AC_SUBST([comment_line_libc_strnlen], [//])]) AC_DEFUN([do_enable_pic], [CFLAGS+=' -fpic ']) AC_DEFUN([do_disable_pic], [CFLAGS+=' -fno-pic ']) AS_IF([test "$enable_pic" = yes], do_enable_pic, do_disable_pic) AM_INIT_AUTOMAKE([1.9 subdir-objects]) AC_CONFIG_FILES([ Makefile include/Makefile include/kernaux.h include/kernaux/console.h ]) AC_LANG([C]) AM_PROG_AR AM_PROG_AS AC_PROG_CC AC_PROG_CC_C99 AC_PROG_RANLIB AC_C_INLINE AC_CHECK_HEADER_STDBOOL AC_CHECK_HEADERS([stdarg.h stddef.h stdint.h]) AC_OUTPUT