From: "Michał Górny" <mgorny@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] repo/gentoo:master commit in: eclass/tests/, eclass/
Date: Mon, 10 Oct 2022 20:52:43 +0000 (UTC) [thread overview]
Message-ID: <1665435155.96ddadb40ddba1bfdba68ff8f2fd889cfd004f03.mgorny@gentoo> (raw)
commit: 96ddadb40ddba1bfdba68ff8f2fd889cfd004f03
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Fri Oct 7 15:22:01 2022 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Mon Oct 10 20:52:35 2022 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=96ddadb4
toolchain-funcs.eclass: Add tc-get-c-rtlib() to get CC runtime
Add a new tc-get-c-rtlib() that attempts to get the runtime used
by the current C compiler. Currently it supports compiler-rt
and libgcc.
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
eclass/tests/toolchain-funcs.sh | 10 ++++++++++
eclass/toolchain-funcs.eclass | 28 ++++++++++++++++++++++++++++
2 files changed, 38 insertions(+)
diff --git a/eclass/tests/toolchain-funcs.sh b/eclass/tests/toolchain-funcs.sh
index 5a35a44ce018..d8a357fb24fe 100755
--- a/eclass/tests/toolchain-funcs.sh
+++ b/eclass/tests/toolchain-funcs.sh
@@ -202,6 +202,10 @@ if type -P gcc &>/dev/null; then
tbegin "tc-get-cxx-stdlib (gcc)"
[[ $(CXX=g++ tc-get-cxx-stdlib) == libstdc++ ]]
tend $?
+
+ tbegin "tc-get-c-rtlib (gcc)"
+ [[ $(CC=gcc tc-get-c-rtlib) == libgcc ]]
+ tend $?
fi
if type -P clang &>/dev/null; then
@@ -218,6 +222,12 @@ if type -P clang &>/dev/null; then
tbegin "tc-get-cxx-stdlib (clang, invalid)"
! CXX=clang++ CXXFLAGS="-stdlib=invalid" tc-get-cxx-stdlib
tend $?
+
+ for rtlib in compiler-rt libgcc; do
+ tbegin "tc-get-c-rtlib (clang, ${rtlib})"
+ [[ $(CC=clang CFLAGS="--rtlib=${rtlib}" tc-get-c-rtlib) == ${rtlib} ]]
+ tend $?
+ done
fi
texit
diff --git a/eclass/toolchain-funcs.eclass b/eclass/toolchain-funcs.eclass
index 92494158201e..32e446cb2368 100644
--- a/eclass/toolchain-funcs.eclass
+++ b/eclass/toolchain-funcs.eclass
@@ -1209,4 +1209,32 @@ tc-get-cxx-stdlib() {
return 0
}
+# @FUNCTION: tc-get-c-rtlib
+# @DESCRIPTION:
+# Attempt to identify the runtime used by the C/C++ compiler.
+# If the runtime is identifed, the function returns 0 and prints one
+# of the following:
+#
+# - ``compiler-rt`` for ``sys-libs/compiler-rt``
+# - ``libgcc`` for ``sys-devel/gcc``'s libgcc
+#
+# If the runtime is not recognized, the function returns 1.
+tc-get-c-rtlib() {
+ local res=$(
+ $(tc-getCC) ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} \
+ -print-libgcc-file-name 2>/dev/null
+ )
+
+ case ${res} in
+ *libclang_rt*)
+ echo compiler-rt;;
+ *libgcc*)
+ echo libgcc;;
+ *)
+ return 1;;
+ esac
+
+ return 0
+}
+
fi
next reply other threads:[~2022-10-10 20:52 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-10 20:52 Michał Górny [this message]
-- strict thread matches above, loose matches on Subject: below --
2025-05-23 18:59 [gentoo-commits] repo/gentoo:master commit in: eclass/tests/, eclass/ Michał Górny
2025-05-08 12:35 Michał Górny
2025-05-02 4:21 Michał Górny
2025-04-23 15:18 Sam James
2025-03-03 19:27 Sam James
2024-10-08 15:29 Ulrich Müller
2024-02-10 10:47 Michał Górny
2024-02-10 10:47 Michał Górny
2023-09-14 5:30 Michał Górny
2023-07-02 15:21 Michał Górny
2023-06-18 14:57 Michał Górny
2023-06-18 14:57 Michał Górny
2023-06-07 9:03 Ulrich Müller
2022-11-15 16:34 Michał Górny
2022-09-28 20:55 Michał Górny
2022-05-01 7:30 Michał Górny
2022-02-09 9:39 Michał Górny
2022-01-09 8:09 Michał Górny
2021-06-23 21:44 Michał Górny
2021-01-15 17:05 Michał Górny
2021-01-05 23:01 Sergei Trofimovich
2020-05-25 6:12 Michał Górny
2020-03-28 19:54 Sergei Trofimovich
2020-03-26 7:51 Sergei Trofimovich
2020-01-11 23:53 Sergei Trofimovich
2019-12-30 12:59 Michał Górny
2019-12-30 12:59 Michał Górny
2019-12-24 11:01 Sergei Trofimovich
2018-04-18 18:13 Mike Gilbert
2018-01-04 21:56 Michał Górny
2017-09-26 18:46 Ulrich Müller
2017-09-19 11:08 Michał Górny
2017-08-25 13:53 Michał Górny
2017-08-11 14:35 Michał Górny
2017-08-08 19:42 Michał Górny
2017-03-18 7:33 Michał Górny
2017-02-09 18:16 Mike Frysinger
2016-12-18 13:46 Michał Górny
2016-06-27 5:58 Michał Górny
2016-06-26 15:36 Michał Górny
2016-01-08 5:14 Michał Górny
2016-01-08 5:14 Michał Górny
2015-12-09 20:42 Michał Górny
2015-11-24 17:03 Mike Frysinger
2015-11-11 10:27 Michał Górny
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