mirror of
https://github.com/tailix/libclayer.git
synced 2024-11-20 11:06:24 -05:00
226 lines
7.5 KiB
Text
226 lines
7.5 KiB
Text
############################
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# Specify program versions #
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############################
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AC_PREREQ([2.70])
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LT_PREREQ([2.4.6])
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##################################
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# Initialize Autoconf & Automake #
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##################################
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AC_INIT([libkernaux],
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m4_normalize(m4_include([VERSION])),
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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/xxxxx.c])
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AC_CONFIG_FILES([
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Makefile
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libkernaux.pc
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include/Makefile
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libc/Makefile
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libc/include/Makefile
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tests/Makefile
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])
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AM_INIT_AUTOMAKE([1.16 subdir-objects])
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AC_SUBST([PACKAGE_DESCR], ['Auxiliary library for kernel development'])
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AC_SUBST([PACKAGE_VERSION_SO], m4_normalize(m4_include([VERSION_SO])))
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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([checks], AS_HELP_STRING([--enable-checks], [enable usual tests]))
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AC_ARG_ENABLE([checks-all], AS_HELP_STRING([--enable-checks-all], [enable all checks]))
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AC_ARG_ENABLE([checks-cppcheck], AS_HELP_STRING([--enable-checks-cppcheck], [enable cppcheck]))
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AC_ARG_ENABLE([split-libc], AS_HELP_STRING([--enable-split-libc], [split off libc]))
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dnl Features (with parameter)
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AC_ARG_ENABLE([pkg-config], AS_HELP_STRING([--enable-pkg-config@<:@=PATH@:>@], [install pkg-config files @<:@PATH='${libdir}/pkgconfig'@:>@]))
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dnl Packages (disabled by default)
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AC_ARG_WITH( [libc], AS_HELP_STRING([--with-libc], [with libc replacement]))
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################
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# Default args #
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################
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AC_DEFUN([do_enable_checks_all],
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[
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if test -z "$enable_checks"; then enable_checks=yes; fi
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if test -z "$enable_checks_cppcheck"; then enable_checks_cppcheck=yes; fi
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])
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AS_IF([test "$enable_checks_all" = yes], do_enable_checks_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_checks" = yes], [enable_checks=yes], [enable_checks=no])
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AS_IF([test "$enable_checks_all" = yes], [enable_checks_all=yes], [enable_checks_all=no])
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AS_IF([test "$enable_checks_cppcheck" = yes], [enable_checks_cppcheck=yes], [enable_checks_cppcheck=no])
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AS_IF([test "$enable_split_libc" = yes], [enable_split_libc=yes], [enable_split_libc=no])
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dnl Features (with parameter)
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AS_IF([test "$enable_pkg_config" = yes], [enable_pkg_config='${libdir}/pkgconfig'])
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AS_IF([test "$enable_pkg_config" = no ], [enable_pkg_config=''])
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dnl Packages (disabled by default)
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AS_IF([test "$with_libc" = yes], [with_libc=yes], [with_libc=no])
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#############
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# Test args #
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#############
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AS_IF([test "$enable_checks" = yes -a "$enable_freestanding" = yes], AC_MSG_ERROR([can not build freestanding tests]))
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AS_IF([test "$enable_checks" = yes -a "$with_libc" = yes], AC_MSG_ERROR([can not use package `libc' with tests]))
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#########################
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# Automake conditionals #
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#########################
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dnl Architecture
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AM_CONDITIONAL([ASM_I386], [test "$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 Architecture (additional)
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AM_CONDITIONAL([ASM_X86], [test "$host_cpu" = i386 -o "$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 "$enable_freestanding" = yes])
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AM_CONDITIONAL([ENABLE_CHECKS], [test "$enable_checks" = yes])
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AM_CONDITIONAL([ENABLE_CHECKS_CPPCHECK], [test "$enable_checks_cppcheck" = yes])
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AM_CONDITIONAL([ENABLE_SPLIT_LIBC], [test "$enable_split_libc" = yes])
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dnl Features (with parameter)
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AM_CONDITIONAL([ENABLE_PKG_CONFIG], [test ! -z "$enable_pkg_config"])
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dnl Packages (disabled by default)
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AM_CONDITIONAL([WITH_LIBC], [test "$with_libc" = yes])
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####################
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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 "$host_cpu" = x86_64], [AC_DEFINE([ASM_X86_64], [1], [architecture is x86_64])])
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dnl Architecture (additional)
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AS_IF([test "$host_cpu" = i386], [AC_DEFINE([ASM_X86], [1], [architecture is x86])])
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AS_IF([test "$host_cpu" = x86_64], [AC_DEFINE([ASM_X86], [1], [architecture is x86])])
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dnl Features (enabled by default)
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AS_IF([test "$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_freestanding" = yes], [AC_DEFINE([ENABLE_FREESTANDING], [1], [build for freestanding environment])])
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AS_IF([test "$enable_checks" = yes], [AC_DEFINE([ENABLE_CHECKS], [1], [enabled usual tests])])
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AS_IF([test "$enable_checks_cppcheck" = yes], [AC_DEFINE([ENABLE_CHECKS_CPPCHECK], [1], [enabled cppcheck])])
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AS_IF([test "$enable_split_libc" = yes], [AC_DEFINE([ENABLE_SPLIT_LIBC], [1], [split off libc])])
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dnl Packages (disabled by default)
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AS_IF([test "$with_libc" = yes], [AC_DEFINE([WITH_LIBC], [1], [with libc replacement])])
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##########################
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# Autoconf substitutions #
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##########################
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dnl Features (with parameter)
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AC_SUBST([pkgconfdir], [$enable_pkg_config])
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###################
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# Set build flags #
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###################
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AS_IF([test "$enable_freestanding" = yes],
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[CFLAGS="$CFLAGS -nostdlib -ffreestanding -fno-pic -fno-stack-protector "],
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[CFLAGS="$CFLAGS -fpic "])
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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_AS
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AC_C_INLINE
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AC_HEADER_STDBOOL
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AS_IF([test "$enable_checks" = yes -a "$ac_cv_header_stdbool_h" != yes],
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[AC_MSG_ERROR([the header is required])])
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AC_CHECK_HEADERS([limits.h stdarg.h stddef.h stdint.h],,
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[AC_MSG_ERROR([the headers are required])])
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AS_IF([test "$enable_checks" = yes],
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[AC_CHECK_HEADERS([assert.h setjmp.h stdio.h stdlib.h string.h],,
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[AC_MSG_ERROR([the headers are required])])])
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AC_PATH_PROGS([CPPCHECK], [cppcheck], [:])
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AS_IF([test "$enable_checks_cppcheck" = yes -a "$CPPCHECK" = ':'],
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[AC_MSG_ERROR([cppcheck is required])])
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######################
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# Initialize Libtool #
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######################
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LT_INIT
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##########
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# Finish #
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##########
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AC_OUTPUT
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