68 lines
3.1 KiB
Diff
68 lines
3.1 KiB
Diff
From af798c5a6e4b2c6c98cce89b5d6fc8d33f9345cf Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
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Date: Wed, 2 Dec 2015 16:04:56 +0100
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Subject: [PATCH 1/2] llvm-config: Clean up exported values, update for shared
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linking
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Gentoo-specific fixup for llvm-config, including:
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- wiping build-specific CFLAGS, CXXFLAGS,
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- updating library suffixes for shared libs,
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- wiping --system-libs for shared linking,
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- banning --obj-root and --src-root due to no sources installed,
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- making --build-mode return "Release" rather than "Gentoo".
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Thanks to Steven Newbury for the initial patch.
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Bug: https://bugs.gentoo.org/565358
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Bug: https://bugs.gentoo.org/501684
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---
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tools/llvm-config/CMakeLists.txt | 11 ++++++++---
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tools/llvm-config/llvm-config.cpp | 20 +++++++++++++++-----
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2 files changed, 23 insertions(+), 8 deletions(-)
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diff --git a/tools/llvm-config/CMakeLists.txt b/tools/llvm-config/CMakeLists.txt
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index 32d0f4c..6e99832 100644
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--- a/tools/llvm-config/CMakeLists.txt
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+++ b/tools/llvm-config/CMakeLists.txt
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@@ -29,2 +29,6 @@ set(LLVM_CPPFLAGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_
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-set(LLVM_CFLAGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
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-set(LLVM_CXXFLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${COMPILE_FLAGS} ${LLVM_DEFINITIONS}")
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+# Just use CMAKE_CPP_FLAGS for CFLAGS and CXXFLAGS, otherwise compiler
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+# specific flags will be set when we don't know what compiler will be used
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+# with external project utilising llvm-config. C++ Standard is required.
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+# TODO: figure out if we can remove -std=c++11 and move it to revdeps.
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+set(LLVM_CFLAGS "${CMAKE_CPP_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
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+set(LLVM_CXXFLAGS "${CMAKE_CPP_FLAGS} -std=c++11 ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
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@@ -39 +43,2 @@ set(LLVM_BUILDMODE ${CMAKE_BUILD_TYPE})
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-set(LLVM_SYSTEM_LIBS ${SYSTEM_LIBS})
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+# We don't do static libs, so we don't need to supply any system-libs
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+set(LLVM_SYSTEM_LIBS "")
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diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
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index 94d426b..fb1bdfa 100644
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--- a/tools/llvm-config/llvm-config.cpp
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+++ b/tools/llvm-config/llvm-config.cpp
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@@ -525 +525,2 @@ int main(int argc, char **argv) {
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- OS << build_mode << '\n';
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+ // force Release since we force non-standard Gentoo build mode
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+ OS << "Release" << '\n';
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@@ -540,4 +541,13 @@ int main(int argc, char **argv) {
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- } else if (Arg == "--obj-root") {
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- OS << ActivePrefix << '\n';
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- } else if (Arg == "--src-root") {
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- OS << LLVM_SRC_ROOT << '\n';
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+ } else if (Arg == "--obj-root" || Arg == "--src-root") {
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+ if (IsInDevelopmentTree) {
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+ if (Arg == "--obj-root") {
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+ OS << ActivePrefix << '\n';
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+ } else {
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+ OS << LLVM_SRC_ROOT << '\n';
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+ }
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+ } else {
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+ // sources are not installed
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+ llvm::errs() << "llvm-config: sources not installed, "
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+ << Arg << " not available\n";
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+ exit(1);
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+ }
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--
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2.7.4
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