From 742b4cee78366204381d1c864d42ec744f543e0f Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Mon, 22 May 2017 22:54:51 +0200
Subject: [PATCH 01/12] add clang scan-build

---
 .travis.yml   | 4 ++++
 scan_build.sh | 9 +++++++++
 2 files changed, 13 insertions(+)
 create mode 100755 scan_build.sh

diff --git a/.travis.yml b/.travis.yml
index 20bf726..80892b5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,6 +32,10 @@ env:
     BUILDSCRIPT="check_source.sh"
     BUILDNAME="CHECK_SOURCES"
     BUILDOPTIONS=" "
+  - |
+    BUILDSCRIPT="scan_build.sh"
+    BUILDNAME="SCAN_BUILD"
+    BUILDOPTIONS=" "
   - |
     BUILDSCRIPT="coverage.sh"
     BUILDNAME="COVERAGE"
diff --git a/scan_build.sh b/scan_build.sh
new file mode 100755
index 0000000..b1df43e
--- /dev/null
+++ b/scan_build.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+[ "$TRAVIS_CI" != "" ] && sudo apt-get install clang -y -qq || true
+
+# output version
+bash printinfo.sh
+
+make clean > /dev/null
+
+scan-build make -f makefile.unix all

From ff2de0b07a98709cb5774d4db378698a2b5357a8 Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Tue, 13 Jun 2017 15:50:49 +0200
Subject: [PATCH 02/12] looks like precise doesn't have scan-build under that
 name

...but we should be able to find it somewhere in /usr/bin/
---
 scan_build.sh | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/scan_build.sh b/scan_build.sh
index b1df43e..f05e8cc 100755
--- a/scan_build.sh
+++ b/scan_build.sh
@@ -1,9 +1,12 @@
 #!/bin/bash
-[ "$TRAVIS_CI" != "" ] && sudo apt-get install clang -y -qq || true
+[ "$TRAVIS_CI" != "" ] && { [ -z "$(which scan-build)" ] && { echo "installing clang"; sudo apt-get install clang -y -qq; }; } || true
 
 # output version
 bash printinfo.sh
 
 make clean > /dev/null
 
-scan-build make -f makefile.unix all
+scan_build=$(which scan-build)
+[ -z "$scan_build" ] && scan_build=$(find /usr/bin/ -name 'scan-build-*' | sort -nr | head -n1) || true
+[ -z "$scan_build" ] && { echo "couldn't find clang scan-build"; exit 1; } || true
+$scan_build make -f makefile.unix all

From 75e00e097c01c144e5f57b781d1ff428cb2f52a0 Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Tue, 13 Jun 2017 16:14:48 +0200
Subject: [PATCH 03/12] well, then install a new clang version and see...

---
 .travis.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 80892b5..e34ee5b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,9 +4,14 @@ addons:
   apt:
     sources:
     - debian-sid
+    - ubuntu-toolchain-r-test
+    - llvm-toolchain-precise-3.7
     packages:
     - binutils
+    - clang-3.7
+    - cloud-utils
     - libtommath-dev
+    - util-linux
 
 before_script:
   - gem install coveralls-lcov

From 3bb9193d6f5c3cf44e4e90c83cabcf3fea1bc65f Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Tue, 13 Jun 2017 16:28:37 +0200
Subject: [PATCH 04/12] alright, let's try if upgrading to trusty helps...

---
 .travis.yml | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index e34ee5b..ec7e6c0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,17 +1,17 @@
+dist: trusty
+sudo: required
+
 language: c
 
 addons:
   apt:
     sources:
     - debian-sid
-    - ubuntu-toolchain-r-test
-    - llvm-toolchain-precise-3.7
+    - llvm-toolchain-trusty-4.0
     packages:
     - binutils
-    - clang-3.7
-    - cloud-utils
+    - clang-4.0
     - libtommath-dev
-    - util-linux
 
 before_script:
   - gem install coveralls-lcov

From ebfd164246000225f37ce94419314d01bc0f7d7e Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Tue, 13 Jun 2017 17:21:12 +0200
Subject: [PATCH 05/12] alright, let's also use ltm from packagecloud

---
 .travis.yml | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index ec7e6c0..88e37d1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,19 +6,16 @@ language: c
 addons:
   apt:
     sources:
-    - debian-sid
     - llvm-toolchain-trusty-4.0
     packages:
-    - binutils
     - clang-4.0
-    - libtommath-dev
 
 before_script:
   - gem install coveralls-lcov
   - curl http://ftp.de.debian.org/debian/pool/main/l/lcov/lcov_1.11.orig.tar.gz | tar xz
   - export PATH=$PATH:`pwd`/lcov-1.11/bin
-  - curl -s https://packagecloud.io/install/repositories/libtom/tomsfastmath/script.deb.sh | sudo bash
-  - sudo apt-get install libtfm-dev=0.13-5
+  - curl -s https://packagecloud.io/install/repositories/libtom/packages/script.deb.sh | sudo bash
+  - sudo apt-get install libtfm-dev=0.13-5 libtommath-dev=1.0-5
 
 matrix:
   fast_finish: true

From 9baba0a83aca7e430f2a7ccdd54dedf208b302ad Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Tue, 13 Jun 2017 17:21:46 +0200
Subject: [PATCH 06/12] fix usage of makefile.unix

---
 scan_build.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scan_build.sh b/scan_build.sh
index f05e8cc..c7395ff 100755
--- a/scan_build.sh
+++ b/scan_build.sh
@@ -9,4 +9,4 @@ make clean > /dev/null
 scan_build=$(which scan-build)
 [ -z "$scan_build" ] && scan_build=$(find /usr/bin/ -name 'scan-build-*' | sort -nr | head -n1) || true
 [ -z "$scan_build" ] && { echo "couldn't find clang scan-build"; exit 1; } || true
-$scan_build make -f makefile.unix all
+$scan_build make -f makefile.unix all CFLAGS="" EXTRALIBS=""

From 52672bc358d1d346743a033d45e205e6874ab660 Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Tue, 13 Jun 2017 17:48:08 +0200
Subject: [PATCH 07/12] m(

---
 coverage.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/coverage.sh b/coverage.sh
index d582f92..48ef7f1 100755
--- a/coverage.sh
+++ b/coverage.sh
@@ -17,8 +17,8 @@ if [ -z "$(echo $CC | grep "gcc")" ]; then
     exit 0
 fi
 
-if [ "$(echo $2 | grep -v 'makefile[.]')" == "" ]; then
-    echo "only run coverage for the regular makefile, early exit success"
+if [ "$(echo $3 | grep -v 'makefile[.]')" == "" ]; then
+    echo "only run $0 for the regular makefile, early exit success"
     exit 0
 fi
 

From 1ee2662ab52c2d03cc3b818713084959a110fb68 Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Tue, 13 Jun 2017 17:48:21 +0200
Subject: [PATCH 08/12] only run scan_build.sh once

---
 scan_build.sh | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/scan_build.sh b/scan_build.sh
index c7395ff..05d4fde 100755
--- a/scan_build.sh
+++ b/scan_build.sh
@@ -1,6 +1,11 @@
 #!/bin/bash
 [ "$TRAVIS_CI" != "" ] && { [ -z "$(which scan-build)" ] && { echo "installing clang"; sudo apt-get install clang -y -qq; }; } || true
 
+if [ "$#" = "5" -a "$(echo $3 | grep -v 'makefile[.]')" = "" ]; then
+    echo "only run $0 for the regular makefile, early exit success"
+    exit 0
+fi
+
 # output version
 bash printinfo.sh
 
@@ -9,4 +14,4 @@ make clean > /dev/null
 scan_build=$(which scan-build)
 [ -z "$scan_build" ] && scan_build=$(find /usr/bin/ -name 'scan-build-*' | sort -nr | head -n1) || true
 [ -z "$scan_build" ] && { echo "couldn't find clang scan-build"; exit 1; } || true
-$scan_build make -f makefile.unix all CFLAGS="" EXTRALIBS=""
+CFLAGS="" EXTRALIBS="" $scan_build make -f makefile.unix all CFLAGS="" EXTRALIBS=""

From ba94b536bec4bf267f9f88008324b514a792401a Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Tue, 13 Jun 2017 18:03:15 +0200
Subject: [PATCH 09/12] this is a horrible PR

---
 .travis.yml   | 5 +++--
 scan_build.sh | 6 ++++--
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 88e37d1..89eadea 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,9 +6,10 @@ language: c
 addons:
   apt:
     sources:
-    - llvm-toolchain-trusty-4.0
+    - ubuntu-toolchain-r-test
+    - llvm-toolchain-precise-3.8
     packages:
-    - clang-4.0
+    - clang-3.8
 
 before_script:
   - gem install coveralls-lcov
diff --git a/scan_build.sh b/scan_build.sh
index 05d4fde..571ec4d 100755
--- a/scan_build.sh
+++ b/scan_build.sh
@@ -13,5 +13,7 @@ make clean > /dev/null
 
 scan_build=$(which scan-build)
 [ -z "$scan_build" ] && scan_build=$(find /usr/bin/ -name 'scan-build-*' | sort -nr | head -n1) || true
-[ -z "$scan_build" ] && { echo "couldn't find clang scan-build"; exit 1; } || true
-CFLAGS="" EXTRALIBS="" $scan_build make -f makefile.unix all CFLAGS="" EXTRALIBS=""
+[ -z "$scan_build" ] && { echo "couldn't find clang scan-build"; exit 1; } || echo "run $scan_build"
+export CFLAGS="-DUSE_LTM -DLTM_DESC -I/usr/include"
+export EXTRALIBS="-ltommath"
+$scan_build make -f makefile.unix all CFLAGS="$CFLAGS" EXTRALIBS="$EXTRALIBS"

From ea08fbb777f15a0e24938bdb299c4ff9f4f128d3 Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Tue, 13 Jun 2017 18:13:00 +0200
Subject: [PATCH 10/12] use libtommath from debian sid

---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 89eadea..8bd7661 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,7 +16,7 @@ before_script:
   - curl http://ftp.de.debian.org/debian/pool/main/l/lcov/lcov_1.11.orig.tar.gz | tar xz
   - export PATH=$PATH:`pwd`/lcov-1.11/bin
   - curl -s https://packagecloud.io/install/repositories/libtom/packages/script.deb.sh | sudo bash
-  - sudo apt-get install libtfm-dev=0.13-5 libtommath-dev=1.0-5
+  - sudo apt-get install libtfm-dev=0.13-5 libtommath-dev=1.0-4
 
 matrix:
   fast_finish: true

From ac41d07247f30d31acdc4927651870a7b7b471ba Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Tue, 13 Jun 2017 18:21:06 +0200
Subject: [PATCH 11/12] try libtommath from ubuntu

---
 .travis.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 8bd7661..05638bd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,12 +11,16 @@ addons:
     packages:
     - clang-3.8
 
+install:
+    - sudo apt-get update -qq
+    - sudo apt-get install libtommath-dev
+
 before_script:
   - gem install coveralls-lcov
   - curl http://ftp.de.debian.org/debian/pool/main/l/lcov/lcov_1.11.orig.tar.gz | tar xz
   - export PATH=$PATH:`pwd`/lcov-1.11/bin
   - curl -s https://packagecloud.io/install/repositories/libtom/packages/script.deb.sh | sudo bash
-  - sudo apt-get install libtfm-dev=0.13-5 libtommath-dev=1.0-4
+  - sudo apt-get install libtfm-dev=0.13-5
 
 matrix:
   fast_finish: true

From 31ddf7c894a3fc5036ae52eec3e5a43108b39584 Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Tue, 13 Jun 2017 18:28:14 +0200
Subject: [PATCH 12/12] ...

https://www.youtube.com/watch?v=6bbIBs0P2t0
---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 05638bd..77e5254 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,7 +32,7 @@ compiler:
   - gcc
   - clang
 script:
-  - bash "${BUILDSCRIPT}" "${BUILDNAME}" "${BUILDOPTIONS}" "makefile V=1"        "-DUSE_LTM -DLTM_DESC" "/usr/lib/x86_64-linux-gnu/libtommath.a"
+  - bash "${BUILDSCRIPT}" "${BUILDNAME}" "${BUILDOPTIONS}" "makefile V=1"        "-DUSE_LTM -DLTM_DESC" "-ltommath"
   - bash "${BUILDSCRIPT}" "${BUILDNAME}" "${BUILDOPTIONS}" "makefile.shared V=1" "-DUSE_TFM -DTFM_DESC" "-ltfm"
 env:
   - |