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authormidipix <writeonce@midipix.org>2021-06-04 14:27:27 +0000
committermidipix <writeonce@midipix.org>2021-06-04 19:53:13 +0000
commit3c19afabc42e7adb3f80a423f1e12dd670e33c5f (patch)
tree6c132a3f4228b2eb8d6d125a77aab5f17206acf9
parent4a28f5ccfde2f77602cde3c8939c6ae236f9b311 (diff)
downloadsofort-3c19afabc42e7adb3f80a423f1e12dd670e33c5f.tar.bz2
sofort-3c19afabc42e7adb3f80a423f1e12dd670e33c5f.tar.xz
build system: ccenv: added ccenv_set_cc_switch_vars().
-rw-r--r--sofort/ccenv/ccenv.in1
-rw-r--r--sofort/ccenv/ccenv.sh51
-rw-r--r--sofort/ccenv/ccswitch.strs47
3 files changed, 99 insertions, 0 deletions
diff --git a/sofort/ccenv/ccenv.in b/sofort/ccenv/ccenv.in
index 4037952..a7f2056 100644
--- a/sofort/ccenv/ccenv.in
+++ b/sofort/ccenv/ccenv.in
@@ -87,3 +87,4 @@ CFLAGS_OS += -DOS_LIB_SUFFIX=\"@ccenv_os_lib_suffix@\"
CFLAGS_OS += @ccenv_cflags_os@
CFLAGS_PIC += @ccenv_cflags_pic@
+# @ccenv_cfgtype@ cflags: supported compiler switches
diff --git a/sofort/ccenv/ccenv.sh b/sofort/ccenv/ccenv.sh
index 8fc5033..868ad1a 100644
--- a/sofort/ccenv/ccenv.sh
+++ b/sofort/ccenv/ccenv.sh
@@ -1435,6 +1435,55 @@ ccenv_output_defs()
eval 'ccenv_'${ccenv_cfgtype}'_cc'=\'$ccenv_cc\'
}
+ccenv_set_cc_switch_vars()
+{
+ if [ -f $mb_project_dir/project/config/ccswitch.strs ]; then
+ ccenv_switch_vars=$(grep -v '^#' \
+ $mb_project_dir/sofort/ccenv/ccswitch.strs \
+ $mb_project_dir/project/config/ccswitch.strs \
+ | sort -u)
+ else
+ ccenv_switch_vars=$(grep -v '^#' \
+ $mb_project_dir/sofort/ccenv/ccswitch.strs \
+ | sort -u)
+ fi
+
+ if [ $ccenv_cfgtype = 'host' ]; then
+ # ccenv_host_cc="$ccenv_cc"
+ ccenv_makevar_prefix='_CFLAGS_'
+ cfgtest_host_section
+ else
+ # ccenv_native_cc="$ccenv_cc"
+ ccenv_makevar_prefix='_NATIVE_CFLAGS_'
+ cfgtest_native_section
+ fi
+
+ for ccenv_switch_var in $(printf '%s' "$ccenv_switch_vars"); do
+ ccenv_make_var=${ccenv_switch_var%=}
+ ccenv_make_var=${ccenv_make_var%,}
+
+ ccenv_make_var=${ccenv_make_var##---}
+ ccenv_make_var=${ccenv_make_var##--}
+ ccenv_make_var=${ccenv_make_var##-}
+
+ ccenv_make_var=$(printf '%s' "$ccenv_make_var" \
+ | sed -e 's/=/_/g' -e 's/-/_/g' -e 's/,/_/g')
+
+ ccenv_make_var="${ccenv_makevar_prefix}${ccenv_make_var}"
+
+ if cfgtest_compiler_switch "$ccenv_switch_var"; then
+ ccenv_switch_var=${ccenv_switch_var%=}
+ ccenv_switch_var=${ccenv_switch_var%,}
+
+ printf '%-31s = %s\n' "${ccenv_make_var}" "${ccenv_switch_var}" \
+ >> "$ccenv_mk"
+ else
+ printf '%-31s =\n' "${ccenv_make_var}" \
+ >> "$ccenv_mk"
+ fi
+ done
+}
+
ccenv_dso_verify()
{
ccenv_str='int foo(int x){return ++x;}'
@@ -1544,6 +1593,8 @@ ccenv_set_toolchain_variables()
ccenv_output_defs
ccenv_clean_up
+
+ ccenv_set_cc_switch_vars
}
ccenv_set_host_variables()
diff --git a/sofort/ccenv/ccswitch.strs b/sofort/ccenv/ccswitch.strs
new file mode 100644
index 0000000..f27fe62
--- /dev/null
+++ b/sofort/ccenv/ccswitch.strs
@@ -0,0 +1,47 @@
+# ccswitch.strs: project-agnostic list of compiler switches,
+# for which support is tested by default.
+
+# when -foo is supported by the host or native compiler, add
+# ``CFLAGS_foo = -foo'' to the respective ccenv variable file
+# (that is, ccenv/host.mk or ccenv/native.mk).
+
+# the make variable prefix is _CFLAGS_ or _NATIVE_CFLAGS_,
+# to which the compiler-switch, minus leading dashes and
+# trailing equal-sign or comma, is appended; non-leading
+# dashes and non-trailing equal-signs and commas are then
+# substituted with underscores.
+
+# the project-agnostic list below can be supplemented by a
+# project-specific one, named project/config/ccswitch.strs.
+
+# toolchain switches
+-dumpmachine
+-print-file-name=
+
+# flavors and variants
+-std=c89
+-std=c99
+-std=c11
+
+# linker switches
+-Wl,--no-undefined
+
+# errors and warnings
+-Wall
+-Werror
+-Wextra
+-Wundef
+
+# debugging
+-g
+-g0
+-g1
+-g2
+-g3
+
+# optimization
+-O0
+-O1
+-O2
+-O3
+-Os