3f0c12fcbf
* Remove GIT_REVPARSE_WORKS, which is never used
* Rename the shell variables {UNIX,MINGW}_GPP to {UNIX,MINGW}_CXX to
match the config.mk variable names.
163 lines
6.2 KiB
Bash
Executable File
163 lines
6.2 KiB
Bash
Executable File
#!/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_MSYS=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++ i686-pc-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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IS_MSYS=1
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case $(uname -m) in
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i686)
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echo 'uname -m identifies an i686 environment.'
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UNIX_CXX=i686-pc-msys-g++
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MINGW_CXX='i686-w64-mingw32-g++.exe mingw32-g++'
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if echo "$(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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UNIX_LDFLAGS_STATIC=
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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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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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# Figure out how to embed build info (e.g. git commit) into the binary.
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if test -f BUILD_INFO.txt; then
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echo "Build info: source package"
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eval $(grep '^VERSION_SUFFIX=' BUILD_INFO.txt | tr -d '\r')
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eval $(grep '^COMMIT_HASH=' BUILD_INFO.txt | tr -d '\r')
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echo "VERSION_SUFFIX ?= ${VERSION_SUFFIX}" >> config.mk
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echo "COMMIT_HASH ?= ${COMMIT_HASH}" >> config.mk
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echo "BUILD_INFO_DEP = config.mk" >> config.mk
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elif test -d .git && git rev-parse HEAD >&/dev/null; then
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echo "Build info: git"
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echo 'VERSION_SUFFIX ?= -dev' >> config.mk
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echo 'COMMIT_HASH ?= $$(git rev-parse HEAD)' >> config.mk
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echo 'BUILD_INFO_DEP = config.mk .git/HEAD' >> config.mk
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else
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echo "Build info: none"
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echo 'VERSION_SUFFIX ?= -dev' >> config.mk
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echo 'COMMIT_HASH ?= none' >> config.mk
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echo 'BUILD_INFO_DEP = config.mk' >> config.mk
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fi
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