From 44c787d48250de34712c2ca160f645e762c143e3 Mon Sep 17 00:00:00 2001
From: Sylvestre Ledru <sylvestre@debian.org>
Date: Sat, 27 Mar 2021 13:38:49 +0100
Subject: [PATCH] try workaround cmake in a better way as it wasn't working all
 the time

make -j 7 -C build-llvm/tools/clang/stage2-bins docs-llvm-html docs-clang-html docs-clang-tools-html docs-clang-tools-man docs-clang-man docs-llvm-man
make[2]: Entering directory '/build/llvm-toolchain-9-9~+20210327121910+c1a0a213378a/build-llvm/tools/clang/stage2-bins'
/tmp/cmake/bin/cmake -S"/build/llvm-toolchain-9-9~+20210327121910+c1a0a213378a/llvm" -B"/build/llvm-toolchain-9-9~+20210327121910+c1a0a213378a/build-llvm/tools/clang/stage2-bins" --check-build-system CMakeFiles/Makefile.cmake 0
/tmp/cmake/bin/cmake: error while loading shared libraries: libssl.so.1.0.0: cannot open shared object file: No such file or directory
Makefile:39750: recipe for target 'cmake_check_build_system' failed
---
 debian/rules | 27 ++++++++-------------------
 1 file changed, 8 insertions(+), 19 deletions(-)

diff --git a/debian/rules b/debian/rules
index 5140dc03..34ebf662 100755
--- a/debian/rules
+++ b/debian/rules
@@ -281,6 +281,14 @@ ifneq (,$(filter $(DEB_HOST_ARCH), mips64 mips64el))
 	LIBOMP_ARCH = mips64
 endif
 
+# if cmake is installed in /tmp/cmake/ uses it
+# Used to build llvm on old ubuntu (precise) on the llvm.org/apt/ ci
+CMAKE_BIN=cmake; \
+
+ifeq (,$(wildcard /tmp/cmake/bin/cmake))
+	CMAKE_BIN=/tmp/cmake/bin/cmake
+	export LD_LIBRARY_PATH=$$LD_LIBRARY_PATH:/tmp/cmake/bin/
+endif
 
 %:
 	dh $@ $(DH_OPTIONS)
@@ -350,13 +358,7 @@ override_dh_auto_configure: preconfigure
 	fi)
 
 	echo "Running tests: $(RUN_TEST)"
-
-	# if cmake is installed in /tmp/cmake/ uses it
-	# Used to build llvm on old ubuntu (precise) on the llvm.org/apt/ ci
-	CMAKE_BIN=cmake; \
 	if test -f /tmp/cmake/bin/cmake; then \
-		CMAKE_BIN=/tmp/cmake/bin/cmake; \
-		export LD_LIBRARY_PATH=$$LD_LIBRARY_PATH:/tmp/cmake/bin/; \
 	fi; \
 	echo "Using cmake: $$CMAKE_BIN"; \
 	cd $(TARGET_BUILD) && \
@@ -395,9 +397,6 @@ VERBOSE=VERBOSE=1
 #VERBOSE=-v
 
 debian-full-build:
-	if test -f /tmp/cmake/bin/cmake; then \
-		export LD_LIBRARY_PATH=$$LD_LIBRARY_PATH:/tmp/cmake/bin/; \
-	fi; \
 	$(PRE_PROCESS) make $(NJOBS) -C $(TARGET_BUILD) $(VERBOSE) CFLAGS="$(CFLAGS_EXTRA)" CXXFLAGS="$(CXXFLAGS_EXTRA)"  LDFLAGS="$(LDFLAGS_EXTRA)" REQUIRES_RTTI=1 DEBUGMAKE=1 $(BUILD_METHOD)
 
 # Check the stage 2 build worked
@@ -444,11 +443,6 @@ debian-libcxx-build:
 	mkdir -p libcxx/build
 	mkdir -p libcxxabi/build
 
-	CMAKE_BIN=cmake; \
-	if test -f /tmp/cmake/bin/cmake; then \
-		CMAKE_BIN=/tmp/cmake/bin/cmake; \
-		export LD_LIBRARY_PATH=$$LD_LIBRARY_PATH:/tmp/cmake/bin/; \
-	fi; \
 	echo "Using cmake: $$CMAKE_BIN"; \
 	cd libcxxabi/build && \
 	$(PRE_PROCESS_CONF) $$CMAKE_BIN ../ \
@@ -466,11 +460,6 @@ debian-libcxxabi-build:
 
 	mkdir -p libcxxabi/build
 
-	CMAKE_BIN=cmake; \
-	if test -f /tmp/cmake/bin/cmake; then \
-		CMAKE_BIN=/tmp/cmake/bin/cmake; \
-		export LD_LIBRARY_PATH=$$LD_LIBRARY_PATH:/tmp/cmake/bin/; \
-	fi; \
 	echo "Using cmake: $$CMAKE_BIN"; \
 	cd libcxx/build && \
 	$(PRE_PROCESS_CONF) $$CMAKE_BIN ../ \