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Main: configure.ac: Add feature "freestanding"

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This commit is contained in:
Alex Kotov 2022-06-04 16:01:02 +03:00
parent eb3766dc09
commit 12f83b2bcf
Signed by: kotovalexarian
GPG key ID: 553C0EBBEB5D5F08
9 changed files with 22 additions and 18 deletions
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1
ChangeLog
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@ -1,6 +1,7 @@
2022-06-04 Alex Kotov <kotovalexarian@gmail.com>
* configure.ac: Remove feature "pic"
* configure.ac: Add feature "freestanding"
2022-06-03 Alex Kotov <kotovalexarian@gmail.com>

5
README.md
View file

@ -90,6 +90,7 @@ stable options.
#### Features
* `--enable-freestanding` - build for freestanding environment
* `--enable-tests` - enable usual tests and examples
* `--enable-tests-all` - enable all tests
* `--enable-tests-python` - enable tests that require Python 3 with YAML and
@ -163,11 +164,11 @@ without it in `$PATH`:
```
./configure \
--host='i386-elf' \
--enable-freestanding \
--with-libc-all \
AR="$(which i386-elf-ar)" \
CC="$(which i386-elf-gcc)" \
RANLIB="$(which i386-elf-ranlib)" \
CFLAGS='-fno-pic -ffreestanding -nostdlib -fno-stack-protector'
RANLIB="$(which i386-elf-ranlib)"
```
You can see the following messages. It's

4
config/dev-cross-i386
View file

@ -14,6 +14,4 @@ export AR="$CROSS-ar"
export CC="$CROSS-gcc"
export RANLIB="$CROSS-ranlib"
export CFLAGS='-fno-pic -ffreestanding -nostdlib -fno-stack-protector'
"$REPO/configure" --host="$HOST" --prefix="$PREFIX" --with-libc-all
"$REPO/configure" --host="$HOST" --prefix="$PREFIX" --enable-freestanding --with-libc-all

4
config/dev-cross-riscv64
View file

@ -14,6 +14,4 @@ export AR="$CROSS-ar"
export CC="$CROSS-gcc"
export RANLIB="$CROSS-ranlib"
export CFLAGS='-fno-pic -ffreestanding -nostdlib -fno-stack-protector'
"$REPO/configure" --host="$HOST" --prefix="$PREFIX" --with-libc-all
"$REPO/configure" --host="$HOST" --prefix="$PREFIX" --enable-freestanding --with-libc-all

4
config/dev-cross-x86_64
View file

@ -14,6 +14,6 @@ export AR="$CROSS-ar"
export CC="$CROSS-gcc"
export RANLIB="$CROSS-ranlib"
export CFLAGS='-fno-pic -ffreestanding -nostdlib -fno-stack-protector -mabi=sysv -mcmodel=kernel -mno-80387 -mno-red-zone'
export CFLAGS='-mabi=sysv -mcmodel=kernel -mno-80387 -mno-red-zone'
"$REPO/configure" --host="$HOST" --prefix="$PREFIX" --with-libc-all
"$REPO/configure" --host="$HOST" --prefix="$PREFIX" --enable-freestanding --with-libc-all

4
config/root-cross-i386-linux
View file

@ -14,6 +14,4 @@ export AR="$TARGET-ar"
export CC="$TARGET-gcc"
export RANLIB="$TARGET-ranlib"
export CFLAGS='-fno-pic -ffreestanding -nostdlib -fno-stack-protector'
"$REPO/configure" --host="$HOST" --prefix="$PREFIX" --with-libc-all
"$REPO/configure" --host="$HOST" --prefix="$PREFIX" --enable-freestanding --with-libc-all

4
config/root-cross-riscv64-linux
View file

@ -14,6 +14,4 @@ export AR="$TARGET-ar"
export CC="$TARGET-gcc"
export RANLIB="$TARGET-ranlib"
export CFLAGS='-fno-pic -ffreestanding -nostdlib -fno-stack-protector'
"$REPO/configure" --host="$HOST" --prefix="$PREFIX" --with-libc-all
"$REPO/configure" --host="$HOST" --prefix="$PREFIX" --enable-freestanding --with-libc-all

4
config/root-cross-x86_64-linux
View file

@ -14,6 +14,6 @@ export AR="$TARGET-ar"
export CC="$TARGET-gcc"
export RANLIB="$TARGET-ranlib"
export CFLAGS='-fno-pic -ffreestanding -nostdlib -fno-stack-protector -mabi=sysv -mcmodel=kernel -mno-80387 -mno-red-zone'
export CFLAGS='-mabi=sysv -mcmodel=kernel -mno-80387 -mno-red-zone'
"$REPO/configure" --host="$HOST" --prefix="$PREFIX" --with-libc-all
"$REPO/configure" --host="$HOST" --prefix="$PREFIX" --enable-freestanding --with-libc-all

10
configure.ac
View file

@ -23,6 +23,7 @@ AC_ARG_ENABLE([float], AS_HELP_STRING([--disable-float], [disable f
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([tests], AS_HELP_STRING([--enable-tests], [enable usual 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 3 with YAML and Jinja2]))
@ -104,6 +105,7 @@ AS_IF([test "$enable_float" = no ], [enable_float=no], [enable_fl
AS_IF([test "$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_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])
@ -160,6 +162,7 @@ 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 "$enable_freestanding" = yes])
AM_CONDITIONAL([ENABLE_TESTS], [test "$enable_tests" = yes])
AM_CONDITIONAL([ENABLE_TESTS_PYTHON], [test "$enable_tests_python" = yes])
@ -202,6 +205,7 @@ AS_IF([test "$enable_float" = yes], [AC_DEFINE([ENABLE_FLOAT], [1]
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 "$enable_tests" = yes], [AC_DEFINE([ENABLE_TESTS], [1], [enabled usual tests and examples])])
AS_IF([test "$enable_tests_python" = yes], [AC_DEFINE([ENABLE_TESTS_PYTHON], [1], [enabled tests that require Python 3 with YAML and Jinja2])])
@ -262,6 +266,12 @@ AS_IF([test "$with_libc_strnlen" = no], [AC_SUBST([comment_line_libc_strnlen], [
AC_DEFUN([do_disable_freestanding], [CFLAGS+=' -fpic '])
AC_DEFUN([do_enable_freestanding], [CFLAGS+=' -nostdlib -ffreestanding -fno-pic -fno-stack-protector '])
AS_IF([test "$enable_freestanding" = yes], do_enable_freestanding, do_disable_freestanding)
AM_INIT_AUTOMAKE([1.9 subdir-objects])
AC_CONFIG_FILES([