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167 lines
6.3 KiB
167 lines
6.3 KiB
#!/bin/bash |
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# |
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# Copyright (c) 2011-2015 Ryan Prichard |
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# |
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# Permission is hereby granted, free of charge, to any person obtaining a copy |
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# of this software and associated documentation files (the "Software"), to |
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# deal in the Software without restriction, including without limitation the |
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
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# sell copies of the Software, and to permit persons to whom the Software is |
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# furnished to do so, subject to the following conditions: |
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# |
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# The above copyright notice and this permission notice shall be included in |
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# all copies or substantial portions of the Software. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
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# IN THE SOFTWARE. |
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# |
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# findTool(desc, commandList) |
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# |
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# Searches commandLine for the first command in the PATH and returns it. |
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# Prints an error and aborts the script if no match is found. |
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# |
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FINDTOOL_OUT="" |
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function findTool { |
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DESC=$1 |
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OPTIONS=$2 |
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for CMD in ${OPTIONS}; do |
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if (which $CMD &>/dev/null) then |
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echo "Found $DESC: $CMD" |
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FINDTOOL_OUT="$CMD" |
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return |
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fi |
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done |
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echo "Error: could not find $DESC. One of these should be in your PATH:" |
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for CMD in ${OPTIONS}; do |
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echo " * $CMD" |
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done |
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exit 1 |
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} |
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IS_CYGWIN=0 |
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IS_MSYS1=0 |
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IS_MSYS2=0 |
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# Link parts of the Cygwin binary statically to aid in redistribution? The |
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# binary still links dynamically against the main DLL. The MinGW binaries are |
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# also statically linked and therefore depend only on Windows DLLs. I started |
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# linking the Cygwin/MSYS binary statically, because G++ 4.7 changed the |
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# Windows C++ ABI. |
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UNIX_LDFLAGS_STATIC='-static -static-libgcc -static-libstdc++' |
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# Detect the environment -- Cygwin or MSYS. |
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case $(uname -s) in |
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CYGWIN*) |
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echo 'uname -s identifies a Cygwin environment.' |
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IS_CYGWIN=1 |
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case $(uname -m) in |
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i686) |
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echo 'uname -m identifies an i686 environment.' |
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UNIX_CXX=i686-pc-cygwin-g++ |
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MINGW_CXX=i686-w64-mingw32-g++ |
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;; |
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x86_64) |
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echo 'uname -m identifies an x86_64 environment.' |
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UNIX_CXX=x86_64-pc-cygwin-g++ |
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MINGW_CXX=x86_64-w64-mingw32-g++ |
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;; |
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*) |
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echo 'Error: uname -m did not match either i686 or x86_64.' |
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exit 1 |
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;; |
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esac |
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;; |
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MSYS*|MINGW*) |
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# MSYS2 notes: |
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# - MSYS2 offers two shortcuts to open an environment: |
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# - MinGW-w64 Win32 Shell. This env reports a `uname -s` of |
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# MINGW32_NT-6.1 on 32-bit Win7. The MinGW-w64 compiler |
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# (i686-w64-mingw32-g++.exe) is in the PATH. |
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# - MSYS2 Shell. `uname -s` instead reports MSYS_NT-6.1. |
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# The i686-w64-mingw32-g++ compiler is not in the PATH. |
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# - MSYS2 appears to use MinGW-w64, not the older mingw.org. |
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# MSYS notes: |
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# - `uname -s` is always MINGW32_NT-6.1 on Win7. |
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echo 'uname -s identifies an MSYS/MSYS2 environment.' |
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case $(uname -m) in |
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i686) |
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echo 'uname -m identifies an i686 environment.' |
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UNIX_CXX=i686-pc-msys-g++ |
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if echo "$(uname -r)" | grep '^1[.]' > /dev/null; then |
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# The MSYS-targeting compiler for the original 32-bit-only |
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# MSYS does not recognize the -static-libstdc++ flag, and |
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# it does not work with -static, because it tries to link |
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# statically with the core MSYS library and fails. |
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# |
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# Distinguish between the two using the major version |
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# number of `uname -r`: |
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# |
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# MSYS uname -r: 1.0.18(0.48/3/2) |
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# MSYS2 uname -r: 2.0.0(0.284/5/3) |
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# |
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# This is suboptimal because MSYS2 is not actually the |
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# second version of MSYS--it's a brand-new fork of Cygwin. |
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# |
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IS_MSYS1=1 |
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UNIX_LDFLAGS_STATIC= |
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MINGW_CXX=mingw32-g++ |
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else |
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IS_MSYS2=1 |
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MINGW_CXX=i686-w64-mingw32-g++.exe |
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fi |
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;; |
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x86_64) |
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echo 'uname -m identifies an x86_64 environment.' |
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IS_MSYS2=1 |
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UNIX_CXX=x86_64-pc-msys-g++ |
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MINGW_CXX=x86_64-w64-mingw32-g++ |
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;; |
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*) |
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echo 'Error: uname -m did not match either i686 or x86_64.' |
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exit 1 |
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;; |
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esac |
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;; |
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*) |
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echo 'Error: uname -s did not match either CYGWIN* or MINGW*.' |
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exit 1 |
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;; |
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esac |
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# Search the PATH and pick the first match. |
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findTool "Cygwin/MSYS G++ compiler" "$UNIX_CXX" |
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UNIX_CXX=$FINDTOOL_OUT |
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findTool "MinGW G++ compiler" "$MINGW_CXX" |
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MINGW_CXX=$FINDTOOL_OUT |
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# Write config files. |
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echo Writing config.mk |
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echo UNIX_CXX=$UNIX_CXX > config.mk |
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echo UNIX_LDFLAGS_STATIC=$UNIX_LDFLAGS_STATIC >> config.mk |
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echo MINGW_CXX=$MINGW_CXX >> config.mk |
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if test $IS_MSYS1 = 1; then |
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echo UNIX_CXXFLAGS += -DWINPTY_TARGET_MSYS1 >> config.mk |
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# The MSYS1 MinGW compiler has a bug that prevents inclusion of algorithm |
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# and math.h in normal C++11 mode. The workaround is to enable the gnu++11 |
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# mode instead. The bug was fixed on 2015-07-31, but as of 2016-02-26, the |
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# fix apparently hasn't been released. See |
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# http://ehc.ac/p/mingw/bugs/2250/. |
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echo MINGW_ENABLE_CXX11_FLAG := -std=gnu++11 >> config.mk |
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fi |
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if test -d .git -a -f .git/HEAD -a -f .git/index && git rev-parse HEAD >&/dev/null; then |
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echo "Commit info: git" |
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echo 'COMMIT_HASH = $(shell git rev-parse HEAD)' >> config.mk |
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echo 'COMMIT_HASH_DEP := config.mk .git/HEAD .git/index' >> config.mk |
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else |
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echo "Commit info: none" |
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echo 'COMMIT_HASH := none' >> config.mk |
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echo 'COMMIT_HASH_DEP := config.mk' >> config.mk |
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fi
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