1010 ghc = if enableDWARF then defaults . ghc . dwarf else defaults . ghc ;
1111
1212 flagsAndConfig = field : xs : lib . optionalString ( xs != [ ] ) ''
13- echo ${ lib . concatStringsSep " " ( map ( x : "--${ field } =${ x } " ) xs ) } >> $out /configure-flags
14- echo "${ field } : ${ lib . concatStringsSep " " xs } " >> $out /cabal.config
13+ echo ${ lib . concatStringsSep " " ( map ( x : "--${ field } =${ x } " ) xs ) } >> $configFiles /configure-flags
14+ echo "${ field } : ${ lib . concatStringsSep " " xs } " >> $configFiles /cabal.config
1515 '' ;
1616
1717 target-pkg = "${ ghc . targetPrefix } ghc-pkg" ;
6464 libDeps ;
6565 in lib . concatStringsSep "\" \" " xs ;
6666 libs = lib . concatMapStringsSep "\" \" " ( p : "${ p } " ) libDeps ;
67- drv = runCommand "${ ghc . targetPrefix } ${ fullName } -config" {
68- nativeBuildInputs = [ ghc ] ;
69- passthru = {
70- inherit ( ghc ) targetPrefix ;
71- inherit ghcCommand ghcCommandCaps libDir packageCfgDir component ;
72- # Use ''${pkgroot} relative paths so that we can relocate the package database
73- # along with referenced packages and still have it work on systems with
74- # or without nix installed.
75- relocatableConfigFiles = runCommand "${ ghc . targetPrefix } ${ fullName } -relocatable-config" ''
76- cp -r ${ drv } $out
77- chmod -R +w $out
78- sed -i 's|/nix/store/|'' ${pkgroot}/../../../|' $out/${ packageCfgDir } /*.conf
79- ${ target-pkg } -v0 --package-db $out/${ packageCfgDir } recache
80- '' ;
81- } ;
82- } ( ''
83- mkdir -p $out
84-
85- ${ target-pkg } init $out/${ packageCfgDir }
67+ script = ''
68+ ${ target-pkg } init $configFiles/${ packageCfgDir }
8669
8770 ${ lib . concatStringsSep "\n " ( lib . mapAttrsToList flagsAndConfig {
8871 "extra-lib-dirs" = map ( p : "${ lib . getLib p } /lib" ) ( lib . flatten component . libs )
9982 ${ # Copy over the nonReinstallablePkgs from the global package db.
10083 ''
10184 for p in ${ lib . concatStringsSep " " nonReinstallablePkgs' } ; do
102- find $ghc/lib/${ ghc . name } /package.conf.d -name $p'*.conf' -exec cp -f {} $out /${ packageCfgDir } \;
85+ find $ghc/lib/${ ghc . name } /package.conf.d -name $p'*.conf' -exec cp -f {} $configFiles /${ packageCfgDir } \;
10386 done
10487 '' }
10588
10689 for l in "${ cfgFiles } "; do
10790 if [ -n "$l" ]; then
10891 files=("$l/${ packageCfgDir } /"*.conf)
10992 if (( '' ${#files[@]} )); then
110- cp -f "'' ${files[@]}" $out /${ packageCfgDir }
93+ cp -f "'' ${files[@]}" $configFiles /${ packageCfgDir }
11194 else
11295 echo "$l/${ packageCfgDir } didn't contain any *.conf files!"
11396 exit 1
118101 if [ -n "$l" ]; then
119102 files=("$l/package.conf.d/"*.conf)
120103 if (( '' ${#files[@]} )); then
121- cp -f "'' ${files[@]}" $out /${ packageCfgDir }
104+ cp -f "'' ${files[@]}" $configFiles /${ packageCfgDir }
122105 else
123106 echo "$l/package.conf.d didn't contain any *.conf files!"
124107 exit 1
@@ -127,46 +110,46 @@ let
127110 done
128111
129112 ${ # Note: we pass `clear` first to ensure that we never consult the implicit global package db.
130- flagsAndConfig "package-db" [ "clear" "$out /${ packageCfgDir } " ]
113+ flagsAndConfig "package-db" [ "clear" "$configFiles /${ packageCfgDir } " ]
131114 }
132115
133- echo ${ lib . concatStringsSep " " ( lib . mapAttrsToList ( fname : val : "--flags=${ lib . optionalString ( ! val ) "-" + fname } " ) flags ) } >> $out /configure-flags
116+ echo ${ lib . concatStringsSep " " ( lib . mapAttrsToList ( fname : val : "--flags=${ lib . optionalString ( ! val ) "-" + fname } " ) flags ) } >> $configFiles /configure-flags
134117
135118 ${ # Provide a cabal config without remote package repositories
136119 ''
137- echo "write-ghc-environment-files: never" >> $out /cabal.config
120+ echo "write-ghc-environment-files: never" >> $configFiles /cabal.config
138121 '' }
139122
140123 ${ # Provide a GHC environment file
141124 ''
142- cat > $out /ghc-environment <<EOF
143- package-db $out /${ packageCfgDir }
125+ cat > $configFiles /ghc-environment <<EOF
126+ package-db $configFiles /${ packageCfgDir }
144127 EOF
145128 '' }
146129
147130 ${ lib . optionalString component . doExactConfig ''
148- echo "--exact-configuration" >> $out /configure-flags
149- echo "allow-newer: ${ identifier . name } :*" >> $out /cabal.config
150- echo "allow-older: ${ identifier . name } :*" >> $out /cabal.config
131+ echo "--exact-configuration" >> $configFiles /configure-flags
132+ echo "allow-newer: ${ identifier . name } :*" >> $configFiles /cabal.config
133+ echo "allow-older: ${ identifier . name } :*" >> $configFiles /cabal.config
151134 '' }
152135
153136 for p in ${ lib . concatStringsSep " " libDeps } ; do
154- cat $p/envDep >> $out /ghc-environment
137+ cat $p/envDep >> $configFiles /ghc-environment
155138 ${ lib . optionalString component . doExactConfig ''
156- cat $p/exactDep/configure-flags >> $out /configure-flags
157- cat $p/exactDep/cabal.config >> $out /cabal.config
139+ cat $p/exactDep/configure-flags >> $configFiles /configure-flags
140+ cat $p/exactDep/cabal.config >> $configFiles /cabal.config
158141 '' }
159142 done
160143 for p in ${ lib . concatStringsSep " " ( lib . remove "ghc" nonReinstallablePkgs' ) } ; do
161144 if [ -e $ghc/envDeps/$p ]; then
162- cat $ghc/envDeps/$p >> $out /ghc-environment
145+ cat $ghc/envDeps/$p >> $configFiles /ghc-environment
163146 fi
164147 done
165148 '' + lib . optionalString component . doExactConfig ''
166149 for p in ${ lib . concatStringsSep " " nonReinstallablePkgs' } ; do
167150 if [ -e $ghc/exactDeps/$p ]; then
168- cat $ghc/exactDeps/$p/configure-flags >> $out /configure-flags
169- cat $ghc/exactDeps/$p/cabal.config >> $out /cabal.config
151+ cat $ghc/exactDeps/$p/configure-flags >> $configFiles /configure-flags
152+ cat $ghc/exactDeps/$p/cabal.config >> $configFiles /cabal.config
170153 fi
171154 done
172155 ''
@@ -199,24 +182,43 @@ let
199182 # Create a local directory with symlinks of the *.dylib (macOS shared
200183 # libraries) from all the dependencies.
201184 + lib . optionalString stdenv . isDarwin ''
202- local dynamicLinksDir="$out /lib/links"
185+ local dynamicLinksDir="$configFiles /lib/links"
203186 mkdir -p $dynamicLinksDir
204187 # Enumerate dynamic-library-dirs with '' ${pkgroot} expanded.
205188 local dirsToLink=$(
206- for f in "$out /${ packageCfgDir } /"*.conf; do
189+ for f in "$configFiles /${ packageCfgDir } /"*.conf; do
207190 (cat $f; echo) | sed -En '/^ ./{H;$!d} ; x ; /^dynamic-library-dirs:/ {s/^dynamic-library-dirs:// ; s/ /\n/g ; s/\n\n*/\n/g; s/^\n//; p}'
208191 done | sed 's|'' ${pkgroot}/../../../|/nix/store/|' | sort -u
209192 )
210193 for d in $dirsToLink; do
211194 ln -f -s "$d/"*.{a,dylib,so} $dynamicLinksDir
212195 done
213196 # Edit the local package DB to reference the links directory.
214- for f in "$out /${ packageCfgDir } /"*.conf; do
197+ for f in "$configFiles /${ packageCfgDir } /"*.conf; do
215198 chmod +w $f
216199 echo >> $f
217200 sed -i -E "/^ ./{H;$!d} ; x ; s,^dynamic-library-dirs:.*,dynamic-library-dirs: $dynamicLinksDir," $f
218201 done
219202 '' + ''
220- ${ target-pkg } -v0 --package-db $out/${ packageCfgDir } recache
203+ ${ target-pkg } -v0 --package-db $configFiles/${ packageCfgDir } recache
204+ '' ;
205+ drv = runCommand "${ ghc . targetPrefix } ${ fullName } -config" {
206+ nativeBuildInputs = [ ghc ] ;
207+ } ( ''
208+ mkdir -p $out
209+ configFiles=$out
210+ ${ script }
221211 '' ) ;
222- in drv
212+ in {
213+ inherit ( ghc ) targetPrefix ;
214+ inherit script drv ghcCommand ghcCommandCaps libDir packageCfgDir component ;
215+ # Use ''${pkgroot} relative paths so that we can relocate the package database
216+ # along with referenced packages and still have it work on systems with
217+ # or without nix installed.
218+ relocatableConfigFiles = runCommand "${ ghc . targetPrefix } ${ fullName } -relocatable-config" ''
219+ cp -r ${ drv } $configFiles
220+ chmod -R +w $configFiles
221+ sed -i 's|/nix/store/|'' ${pkgroot}/../../../|' $configFiles/${ packageCfgDir } /*.conf
222+ ${ target-pkg } -v0 --package-db $configFiles/${ packageCfgDir } recache
223+ '' ;
224+ }
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