diff options
author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2008-06-19 14:51:26 +0000 |
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committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2008-06-19 14:51:26 +0000 |
commit | 160e3472ca52fbebb5eb5fc52065827c7306b19a (patch) | |
tree | 82ff3b8ed72a0dabe98d71e787bd6aff48891b04 /pkgs | |
parent | 8b90ef4690bef0d0e781053b880783b9e49b0a2e (diff) |
* Removed some dead code.
svn path=/nixpkgs/trunk/; revision=12159
Diffstat (limited to 'pkgs')
-rw-r--r-- | pkgs/stdenv/generic/setup-new.sh | 857 |
1 files changed, 857 insertions, 0 deletions
diff --git a/pkgs/stdenv/generic/setup-new.sh b/pkgs/stdenv/generic/setup-new.sh new file mode 100644 index 0000000000000..665084ac0ed45 --- /dev/null +++ b/pkgs/stdenv/generic/setup-new.sh @@ -0,0 +1,857 @@ +exitHandler() { + exitCode=$? + set +e + + closeNest + + if test -n "$showBuildStats"; then + times > $NIX_BUILD_TOP/.times + local -a times=($(cat $NIX_BUILD_TOP/.times)) + # Print the following statistics: + # - user time for the shell + # - system time for the shell + # - user time for all child processes + # - system time for all child processes + echo "build time elapsed: " ${times[*]} + fi + + if test $exitCode != 0; then + eval "$failureHook" + + # If the builder had a non-zero exit code and + # $succeedOnFailure is set, create the file + # `$out/nix-support/failed' to signal failure, and exit + # normally. Otherwise, return the original exit code. + if test -n "$succeedOnFailure"; then + echo "build failed with exit code $exitCode (ignored)" + ensureDir "$out/nix-support" + echo -n $exitCode > "$out/nix-support/failed" + exit 0 + fi + + else + eval "$exitHook" + fi + + exit $exitCode +} + +trap "exitHandler" EXIT + + +###################################################################### +# Helper functions that might be useful in setup hooks. + + +addToSearchPathWithCustomDelimiter() { + local delimiter=$1 + local varName=$2 + local needDir=$3 + local addDir=${4:-$needDir} + local prefix=$5 + if [ -d $prefix$needDir ]; then + if [ -z ${!varName} ]; then + eval export ${varName}=${prefix}$addDir + else + eval export ${varName}=${!varName}${delimiter}${prefix}$addDir + fi + fi +} + +addToSearchPath() { + addToSearchPathWithCustomDelimiter "${PATH_DELIMITER}" "$@" +} + + +###################################################################### +# Initialisation. + +set -e + +test -z $NIX_GCC && NIX_GCC=@gcc@ + + +# Set up the initial path. +PATH= +for i in $NIX_GCC @initialPath@; do + if test "$i" = /; then i=; fi + PATH=$PATH${PATH:+:}$i/bin +done + +if test "$NIX_DEBUG" = "1"; then + echo "initial path: $PATH" +fi + + +# Execute the pre-hook. +export SHELL=@shell@ +PATH_DELIMITER=':' +if test -z "$shell"; then + export shell=@shell@ +fi +param1=@param1@ +param2=@param2@ +param3=@param3@ +param4=@param4@ +param5=@param5@ +if test -n "@preHook@"; then source @preHook@; fi +eval "$preHook" + + +# Check that the pre-hook initialised SHELL. +if test -z "$SHELL"; then echo "SHELL not set"; exit 1; fi + + +# Hack: run gcc's setup hook. +envHooks=() +if test -f $NIX_GCC/nix-support/setup-hook; then + source $NIX_GCC/nix-support/setup-hook +fi + + +# Ensure that the given directories exists. +ensureDir() { + local dir + for dir in "$@"; do + if ! test -x "$dir"; then mkdir -p "$dir"; fi + done +} + +installBin() { + ensureDir $out/bin + cp "$@" $out/bin +} + +assertEnvExists(){ + if test -z "${!1}"; then + msg=${2:-error: assertion failed: env var $1 is required} + echo $msg >&2; exit 1 + fi +} + + +# Allow the caller to augment buildInputs (it's not always possible to +# do this before the call to setup.sh, since the PATH is empty at that +# point; here we have a basic Unix environment). +eval "$addInputsHook" + + +# Recursively find all build inputs. +findInputs() { + local pkg=$1 + + case $pkgs in + *\ $pkg\ *) + return 0 + ;; + esac + + pkgs="$pkgs $pkg " + + if test -f $pkg/nix-support/setup-hook; then + source $pkg/nix-support/setup-hook + fi + + if test -f $pkg/nix-support/propagated-build-inputs; then + for i in $(cat $pkg/nix-support/propagated-build-inputs); do + findInputs $i + done + fi +} + +pkgs="" +if test -n "$buildinputs"; then + buildInputs="$buildinputs" # compatibility +fi +for i in $buildInputs $propagatedBuildInputs; do + findInputs $i +done + + +# Set the relevant environment variables to point to the build inputs +# found above. +addToEnv() { + local pkg=$1 + + if test "$ignoreFailedInputs" != "1" -a -e $1/nix-support/failed; then + echo "failed input $1" >&2 + exit 1 + fi + + if test -d $1/bin; then + export _PATH=$_PATH${_PATH:+:}$1/bin + fi + + for i in "${envHooks[@]}"; do + $i $pkg + done +} + +for i in $pkgs; do + addToEnv $i +done + + +# Add the output as an rpath. +if test "$NIX_NO_SELF_RPATH" != "1"; then + export NIX_LDFLAGS="-rpath $out/lib $NIX_LDFLAGS" +fi + + +# Strip debug information by default. +if test -z "$NIX_STRIP_DEBUG"; then + export NIX_STRIP_DEBUG=1 + export NIX_CFLAGS_STRIP="-g0 -Wl,--strip-debug" +fi + + +assertEnvExists NIX_STORE \ + "Error: you have an old version of Nix that does not set the + NIX_STORE variable. This is required for purity checking. + Please upgrade." + +assertEnvExists NIX_BUILD_TOP \ + "Error: you have an old version of Nix that does not set the + NIX_BUILD_TOP variable. This is required for purity checking. + Please upgrade." + + +# Set the TZ (timezone) environment variable, otherwise commands like +# `date' will complain (e.g., `Tue Mar 9 10:01:47 Local time zone must +# be set--see zic manual page 2004'). +export TZ=UTC + + +# Set the prefix. This is generally $out, but it can be overriden, +# for instance if we just want to perform a test build/install to a +# temporary location and write a build report to $out. +if test -z "$prefix"; then + prefix="$out"; +fi + +if test "$useTempPrefix" = "1"; then + prefix="$NIX_BUILD_TOP/tmp_prefix"; +fi + + +PATH=$_PATH${_PATH:+:}$PATH +if test "$NIX_DEBUG" = "1"; then + echo "final path: $PATH" +fi + + +###################################################################### +# Misc. helper functions. + + +stripDirs() { + local dirs="$1" + local stripFlags="$2" + local dirsNew= + + for d in ${dirs}; do + if test -d "$prefix/$d"; then + dirsNew="${dirsNew} $prefix/$d " + fi + done + dirs=${dirsNew} + + if test -n "${dirs}"; then + header "stripping (with flags $stripFlags) in $dirs" + find $dirs -type f -print0 | xargs -0 strip $stripFlags || true + stopNest + fi +} + + +###################################################################### +# Textual substitution functions. + + +substitute() { + local input="$1" + local output="$2" + + local -a params=("$@") + local -a args=() + + local n p pattern replacement varName + + for ((n = 2; n < ${#params[*]}; n += 1)); do + p=${params[$n]} + + if test "$p" = "--replace"; then + pattern="${params[$((n + 1))]}" + replacement="${params[$((n + 2))]}" + n=$((n + 2)) + fi + + if test "$p" = "--subst-var"; then + varName="${params[$((n + 1))]}" + pattern="@$varName@" + replacement="${!varName}" + n=$((n + 1)) + fi + + if test "$p" = "--subst-var-by"; then + pattern="@${params[$((n + 1))]}@" + replacement="${params[$((n + 2))]}" + n=$((n + 2)) + fi + + if test ${#args[@]} != 0; then + args[${#args[@]}]="-a" + fi + args[${#args[@]}]="$pattern" + args[${#args[@]}]="$replacement" + done + + replace-literal -e -s -- "${args[@]}" < "$input" > "$output".tmp + if test -x "$output"; then + chmod +x "$output".tmp + fi + mv -f "$output".tmp "$output" +} + + +substituteInPlace() { + local fileName="$1" + shift + substitute "$fileName" "$fileName" "$@" +} + + +substituteAll() { + local input="$1" + local output="$2" + + # Select all environment variables that start with a lowercase character. + for envVar in $(env | sed "s/^[^a-z].*//" | sed "s/^\([^=]*\)=.*/\1/"); do + if test "$NIX_DEBUG" = "1"; then + echo "$envVar -> ${!envVar}" + fi + args="$args --subst-var $envVar" + done + + substitute "$input" "$output" $args +} + + +###################################################################### +# What follows is the generic builder. + + +nestingLevel=0 + +startNest() { + nestingLevel=$(($nestingLevel + 1)) + echo -en "\e[$1p" +} + +stopNest() { + nestingLevel=$(($nestingLevel - 1)) + echo -en "\e[q" +} + +header() { + startNest "$2" + echo "$1" +} + +# Make sure that even when we exit abnormally, the original nesting +# level is properly restored. +closeNest() { + while test $nestingLevel -gt 0; do + stopNest + done +} + + +# This function is useful for debugging broken Nix builds. It dumps +# all environment variables to a file `env-vars' in the build +# directory. If the build fails and the `-K' option is used, you can +# then go to the build directory and source in `env-vars' to reproduce +# the environment used for building. +dumpVars() { + if test "$noDumpEnvVars" != "1"; then + export > $NIX_BUILD_TOP/env-vars + fi +} + + +# Redirect stdout/stderr to a named pipe connected to a `tee' process +# that writes the specified file (and also to our original stdout). +# The original stdout is saved in descriptor 3. +startLog() { + local logFile=${logNr}_$1 + logNr=$((logNr + 1)) + if test "$logPhases" = 1; then + ensureDir $logDir + + exec 3>&1 + + if test "$dontLogThroughTee" != 1; then + # This required named pipes (fifos). + logFifo=$NIX_BUILD_TOP/log_fifo + test -p $logFifo || mkfifo $logFifo + startLogWrite "$logDir/$logFile" "$logFifo" + exec > $logFifo 2>&1 + else + exec > $logDir/$logFile 2>&1 + fi + fi +} + +# Factored into a separate function so that it can be overriden. +startLogWrite() { + tee "$1" < "$2" & + logWriterPid=$! +} + + +if test -z "$logDir"; then + logDir=$out/log +fi + +logNr=0 + +# Restore the original stdout/stderr. +stopLog() { + if test "$logPhases" = 1; then + exec >&3 2>&1 + + # Wait until the tee process has died. Otherwise output from + # different phases may be mixed up. + if test -n "$logWriterPid"; then + wait $logWriterPid + logWriterPid= + rm $logFifo + fi + fi +} + + +# Utility function: return the base name of the given path, with the +# prefix `HASH-' removed, if present. +stripHash() { + strippedName=$(basename $1); + if echo "$strippedName" | grep -q '^[a-z0-9]\{32\}-'; then + strippedName=$(echo "$strippedName" | cut -c34-) + fi +} + + +unpackFile() { + local file="$1" + local cmd + + header "unpacking source archive $file" 3 + + case "$file" in + *.tar) + tar xvf $file + ;; + *.tar.gz | *.tgz | *.tar.Z) + gzip -d < $file | tar xvf - + ;; + *.tar.bz2 | *.tbz2) + bzip2 -d < $file | tar xvf - + ;; + *.zip) + unzip $file + ;; + *) + if test -d "$file"; then + stripHash $file + cp -prvd $file $strippedName + else + if test -n "$findUnpacker"; then + $findUnpacker $1; + fi + if test -z "$unpackCmd"; then + echo "source archive $file has unknown type" + exit 1 + fi + eval "$unpackCmd" + fi + ;; + esac + + stopNest +} + + +unpackPhase() { + eval "$preUnpack" + + if test -z "$srcs"; then + if test -z "$src"; then + echo 'variable $src or $srcs should point to the source' + exit 1 + fi + srcs="$src" + fi + + # To determine the source directory created by unpacking the + # source archives, we record the contents of the current + # directory, then look below which directory got added. Yeah, + # it's rather hacky. + local dirsBefore="" + for i in *; do + if test -d "$i"; then + dirsBefore="$dirsBefore $i " + fi + done + + # Unpack all source archives. + for i in $srcs; do + unpackFile $i + done + + # Find the source directory. + if test -n "$setSourceRoot"; then + eval "$setSourceRoot" + else + sourceRoot= + for i in *; do + if test -d "$i"; then + case $dirsBefore in + *\ $i\ *) + ;; + *) + if test -n "$sourceRoot"; then + echo "unpacker produced multiple directories" + exit 1 + fi + sourceRoot=$i + ;; + esac + fi + done + fi + + if test -z "$sourceRoot"; then + echo "unpacker appears to have produced no directories" + exit 1 + fi + + echo "source root is $sourceRoot" + + # By default, add write permission to the sources. This is often + # necessary when sources have been copied from other store + # locations. + if test "dontMakeSourcesWritable" != 1; then + chmod -R +w $sourceRoot + fi + + eval "$postUnpack" +} + + +patchPhase() { + eval "$prePatch" + + if test -z "$patchPhase" -a -z "$patches"; then return; fi + + if test -z "$patchFlags"; then + patchFlags="-p1" + fi + + for i in $patches; do + header "applying patch $i" 3 + local uncompress=cat + case $i in + *.gz) + uncompress="gzip -d" + ;; + *.bz2) + uncompress="bzip2 -d" + ;; + esac + $uncompress < $i | patch $patchFlags + stopNest + done + + eval "$postPatch" +} + + +fixLibtool() { + sed -i -e 's^eval sys_lib_.*search_path=.*^^' "$1" +} + + +configurePhase() { + eval "$preConfigure" + + if test -z "$configureScript"; then + configureScript=./configure + if ! test -x $configureScript; then + echo "no configure script, doing nothing" + return + fi + fi + + if test -z "$dontFixLibtool"; then + for i in $(find . -name "ltmain.sh"); do + echo "fixing libtool script $i" + fixLibtool $i + done + fi + + if test -z "$dontAddPrefix"; then + configureFlags="${prefixKey:---prefix=}$prefix $configureFlags" + fi + + # Add --disable-dependency-tracking to speed up some builds. + if test -z "$dontAddDisableDepTrack"; then + if grep -q dependency-tracking $configureScript; then + configureFlags="--disable-dependency-tracking $configureFlags" + fi + fi + + echo "configure flags: $configureFlags ${configureFlagsArray[@]}" + $configureScript $configureFlags"${configureFlagsArray[@]}" + + eval "$postConfigure" +} + + +buildPhase() { + eval "$preBuild" + + if test -z "$makeFlags" && ! test -n "$makefile" -o -e "Makefile" -o -e "makefile" -o -e "GNUmakefile"; then + echo "no Makefile, doing nothing" + return + fi + + echo "make flags: $makeFlags ${makeFlagsArray[@]} $buildFlags ${buildFlagsArray[@]}" + make ${makefile:+-f $makefile} \ + $makeFlags "${makeFlagsArray[@]}" \ + $buildFlags "${buildFlagsArray[@]}" + + eval "$postBuild" +} + + +checkPhase() { + eval "$preCheck" + + if test -z "$checkTarget"; then + checkTarget="check" + fi + + echo "check flags: $makeFlags ${makeFlagsArray[@]} $checkFlags ${checkFlagsArray[@]}" + make ${makefile:+-f $makefile} \ + $makeFlags "${makeFlagsArray[@]}" \ + $checkFlags "${checkFlagsArray[@]}" $checkTarget + + eval "$postCheck" +} + + +patchELF() { + # Patch all ELF executables and shared libraries. + header "patching ELF executables and libraries" + if test -e "$prefix"; then + find "$prefix" \( \ + \( -type f -a -name "*.so*" \) -o \ + \( -type f -a -perm +0100 \) \ + \) -print -exec patchelf --shrink-rpath {} \; + fi + stopNest +} + + +patchShebangs() { + # Rewrite all script interpreter file names (`#! /path') under the + # specified directory tree to paths found in $PATH. E.g., + # /bin/sh will be rewritten to /nix/store/<hash>-some-bash/bin/sh. + # Interpreters that are already in the store are left untouched. + header "patching script interpreter paths" + local dir="$1" + local f + for f in $(find "$dir" -type f -perm +0100); do + local oldPath=$(sed -ne '1 s,^#![ ]*\([^ ]*\).*$,\1,p' "$f") + if test -n "$oldPath" -a "${oldPath:0:${#NIX_STORE}}" != "$NIX_STORE"; then + local newPath=$(type -P $(basename $oldPath) || true) + if test -n "$newPath" -a "$newPath" != "$oldPath"; then + echo "$f: interpreter changed from $oldPath to $newPath" + sed -i -e "1 s,$oldPath,$newPath," "$f" + fi + fi + done + stopNest +} + + +installPhase() { + eval "$preInstall" + + ensureDir "$prefix" + + if test -z "$installCommand"; then + if test -z "$installTargets"; then + installTargets=install + fi + echo "install flags: $installTargets $makeFlags ${makeFlagsArray[@]} $installFlags ${installFlagsArray[@]}" + make ${makefile:+-f $makefile} $installTargets \ + $makeFlags "${makeFlagsArray[@]}" \ + $installFlags "${installFlagsArray[@]}" + else + eval "$installCommand" + fi + + eval "$postInstall" +} + + +# The fixup phase performs generic, package-independent, Nix-related +# stuff, like running patchelf and setting the +# propagated-build-inputs. It should rarely be overriden. +fixupPhase() { + eval "$preFixup" + + # Put man/doc/info under $out/share. + forceShare=${forceShare:=man doc info} + if test -n "$forceShare"; then + for d in $forceShare; do + if test -d "$prefix/$d"; then + if test -d "$prefix/share/$d"; then + echo "both $d/ and share/$d/ exists!" + else + echo "fixing location of $d/ subdirectory" + ensureDir $prefix/share + if test -w $prefix/share; then + mv -v $prefix/$d $prefix/share + ln -sv share/$d $prefix + fi + fi + fi + done; + fi + + # TODO: strip _only_ ELF executables, and return || fail here... + if test -z "$dontStrip"; then + stripDebugList=${stripDebugList:-lib bin sbin} + if test -n "$stripDebugList"; then + stripDirs "$stripDebugList" "${stripDebugFlags:--S}" + fi + + stripAllList=${stripAllList:-} + if test -n "$stripAllList"; then + stripDirs "$stripAllList" "${stripAllFlags:--s}" + fi + fi + + if test "$havePatchELF" = 1 -a -z "$dontPatchELF"; then + patchELF "$prefix" + fi + + if test -z "$dontPatchShebangs"; then + patchShebangs "$prefix" + fi + + if test -n "$propagatedBuildInputs"; then + ensureDir "$out/nix-support" + echo "$propagatedBuildInputs" > "$out/nix-support/propagated-build-inputs" + fi + + if test -n "$setupHook"; then + ensureDir "$out/nix-support" + substituteAll "$setupHook" "$out/nix-support/setup-hook" + fi + + eval "$postFixup" +} + + +distPhase() { + eval "$preDist" + + if test -z "$distTarget"; then + distTarget="dist" + fi + + echo "dist flags: $distFlags ${distFlagsArray[@]}" + make ${makefile:+-f $makefile} $distFlags "${distFlagsArray[@]}" $distTarget + + if test "$dontCopyDist" != 1; then + ensureDir "$out/tarballs" + + if test -z "$tarballs"; then + tarballs="*.tar.gz" + fi + + # Note: don't quote $tarballs, since we explicitly permit + # wildcards in there. + cp -pvd $tarballs $out/tarballs + fi + + eval "$postDist" +} + + +showPhaseHeader() { + local phase="$1" + case $phase in + unpackPhase) header "unpacking sources";; + patchPhase) header "patching sources";; + configurePhase) header "configuring";; + buildPhase) header "building";; + checkPhase) header "running tests";; + installPhase) header "installing";; + fixupPhase) header "post-installation fixup";; + *) header "$phase";; + esac +} + + +genericBuild() { + header "building $out" + + if test -n "$buildCommand"; then + eval "$buildCommand" + return + fi + + if test -z "$phases"; then + phases="$prePhases unpackPhase patchPhase $preConfigurePhases \ + configurePhase $preBuildPhases buildPhase checkPhase \ + $preInstallPhases installPhase fixupPhase \ + $preDistPhases distPhase $postPhases"; + fi + + for curPhase in $phases; do + if test "$curPhase" = buildPhase -a -n "$dontBuild"; then continue; fi + if test "$curPhase" = checkPhase -a -z "$doCheck"; then continue; fi + if test "$curPhase" = installPhase -a -n "$dontInstall"; then continue; fi + if test "$curPhase" = fixupPhase -a -n "$dontFixup"; then continue; fi + if test "$curPhase" = distPhase -a -z "$doDist"; then continue; fi + + showPhaseHeader "$curPhase" + startLog "$curPhase" + dumpVars + + # Evaluate the variable named $curPhase if it exists, otherwise the + # function named $curPhase. + eval "${!curPhase:-$curPhase}" + + if test "$curPhase" = unpackPhase; then + cd "${sourceRoot:-.}" + fi + + stopLog + stopNest + done + + stopNest +} + + +# Execute the post-hook. +if test -n "@postHook@"; then source @postHook@; fi +eval "$postHook" + + +dumpVars |