vax decoding of indexed addressing mode

[deliverable/binutils-gdb.git] / ld / genscripts.sh

diff --git a/ld/genscripts.sh b/ld/genscripts.sh
index 7ee03d2b1ce96c090b5a3838745383c5d77778e0..3853f9b859d6465a1f9eab00d8ba147af3fb1397 100755 (executable)
--- a/ld/genscripts.sh
+++ b/ld/genscripts.sh
@@ -63,7 +63,7 @@
 # depending on platform specific settings linker scripts with the
 # following suffixes might be generated as well:
 #
-# xdwe:   -pie    -z combreloc -z separate-code          -z now
+# xdwe:   -pie    -z combreloc -z separate-code -z relro -z now
 # xdw:    -pie    -z combreloc                  -z relro -z now
 # xdceo:  -pie    -z combreloc -z separate-code -z relro
 # xdce:   -pie    -z combreloc -z separate-code
@@ -74,7 +74,7 @@
 # xdo:    -pie                                  -z relro
 # xd:     -pie
 #
-# xswe:   -shared -z combreloc -z separate-code          -z now
+# xswe:   -shared -z combreloc -z separate-code -z relro -z now
 # xsw:    -shared -z combreloc                  -z relro -z now
 # xsceo:  -shared -z combreloc -z separate-code -z relro
 # xsce:   -shared -z combreloc -z separate-code
@@ -85,7 +85,7 @@
 # xso:    -shared                               -z relro
 # xs:     -shared
 #
-# xwe:            -z combreloc -z separate-code          -z now
+# xwe:            -z combreloc -z separate-code -z relro -z now
 # xw:             -z combreloc                  -z relro -z now
 # xceo:           -z combreloc -z separate-code -z relro
 # xce:            -z combreloc -z separate-code
@@ -129,11 +129,15 @@ TOOL_LIB=$2
 
 source_sh()
 {
-  echo $1 >> ${DEPDIR}/e${EMULATION_NAME}.Tc
+  if test -n "${DEPDIR}"; then
+    echo $1 >> ${DEPDIR}/e${EMULATION_NAME}.Tc
+  fi
   . $1
 }
 
-rm -f ${DEPDIR}/e${EMULATION_NAME}.Tc
+if test -n "${DEPDIR}"; then
+  rm -f ${DEPDIR}/e${EMULATION_NAME}.Tc
+fi
 
 # Include the emulation-specific parameters:
 CUSTOMIZER_SCRIPT="${srcdir}/emulparams/${EMULATION_NAME}.sh"
@@ -282,27 +286,6 @@ if [ "x$1" = "x$EMULATION_NAME" ]; then
     echo "set libpath \"${LIB_PATH}\"" | sed -e 's/:/ /g' > tmpdir/libpath.exp
 fi
 
-# Generate 5 or 6 script files from a master script template in
-# ${srcdir}/scripttempl/${SCRIPT_NAME}.sh.  Which one of the 5 or 6
-# script files is actually used depends on command line options given
-# to ld.  (SCRIPT_NAME was set in the emulparams_file.)
-#
-# A .x script file is the default script.
-# A .xr script is for linking without relocation (-r flag).
-# A .xu script is like .xr, but *do* create constructors (-Ur flag).
-# A .xn script is for linking with -n flag (mix text and data on same page).
-# A .xbn script is for linking with -N flag (mix text and data on same page).
-# A .xs script is for generating a shared library with the --shared
-#   flag; it is only generated if $GENERATE_SHLIB_SCRIPT is set by the
-#   emulation parameters.
-# A .xc script is for linking with -z combreloc; it is only generated if
-#   $GENERATE_COMBRELOC_SCRIPT is set by the emulation parameters or
-#   $SCRIPT_NAME is "elf".
-# A .xsc script is for linking with --shared -z combreloc; it is generated
-#   if $GENERATE_COMBRELOC_SCRIPT is set by the emulation parameters or
-#   $SCRIPT_NAME is "elf" and $GENERATE_SHLIB_SCRIPT is set by the emulation
-#   parameters too.
-
 if [ "x$SCRIPT_NAME" = "xelf" ]; then
   GENERATE_COMBRELOC_SCRIPT=yes
 fi
@@ -321,7 +304,7 @@ DATA_ALIGNMENT_u="${DATA_ALIGNMENT_u-${DATA_ALIGNMENT_r}}"
 LD_FLAG=r
 DATA_ALIGNMENT=${DATA_ALIGNMENT_r}
 DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})"
-( echo "/* Script for ld -r: link without relocation */"
+( echo "/* Script for -r */"
   source_sh ${CUSTOMIZER_SCRIPT}
   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 ) | sed -e '/^ *$/d;s/[         ]*$//' > ldscripts/${EMULATION_NAME}.xr
@@ -329,7 +312,7 @@ DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})"
 LD_FLAG=u
 DATA_ALIGNMENT=${DATA_ALIGNMENT_u}
 CONSTRUCTING=" "
-( echo "/* Script for ld -Ur: link w/out relocation, do create constructors */"
+( echo "/* Script for -Ur */"
   source_sh ${CUSTOMIZER_SCRIPT}
   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 ) | sed -e '/^ *$/d;s/[         ]*$//' > ldscripts/${EMULATION_NAME}.xu
@@ -343,7 +326,7 @@ LD_FLAG=
 ) | sed -e '/^ *$/d;s/[         ]*$//' > ldscripts/${EMULATION_NAME}.x
 
 LD_FLAG=textonly
-( echo "/* Script for -z separate-code: generate normal executables with separate code segment */"
+( echo "/* Script for -z separate-code */"
   source_sh ${CUSTOMIZER_SCRIPT}
   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 ) | sed -e '/^ *$/d;s/[         ]*$//' > ldscripts/${EMULATION_NAME}.xe
@@ -351,12 +334,12 @@ LD_FLAG=textonly
 if test -n "$GENERATE_RELRO_SCRIPT"; then
     LD_FLAG=
     RELRO=" "
-    ( echo "/* Script for -z relo: generate normal executables with separate code segment */"
+    ( echo "/* Script for -z relro */"
       source_sh ${CUSTOMIZER_SCRIPT}
       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
     ) | sed -e '/^ *$/d;s/[     ]*$//' > ldscripts/${EMULATION_NAME}.xo
     LD_FLAG=textonly
-    ( echo "/* Script for -z separate-code -z relo: generate normal executables with separate code segment */"
+    ( echo "/* Script for -z separate-code -z relro */"
       source_sh ${CUSTOMIZER_SCRIPT}
       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
     ) | sed -e '/^ *$/d;s/[     ]*$//' > ldscripts/${EMULATION_NAME}.xeo
@@ -364,14 +347,14 @@ if test -n "$GENERATE_RELRO_SCRIPT"; then
 fi
 LD_FLAG=n
 DATA_ALIGNMENT=${DATA_ALIGNMENT_n}
-( echo "/* Script for -n: mix text and data on same page */"
+( echo "/* Script for -n */"
   source_sh ${CUSTOMIZER_SCRIPT}
   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 ) | sed -e '/^ *$/d;s/[         ]*$//' > ldscripts/${EMULATION_NAME}.xn
 
 LD_FLAG=N
 DATA_ALIGNMENT=${DATA_ALIGNMENT_N}
-( echo "/* Script for -N: mix text and data on same page; don't align data */"
+( echo "/* Script for -N */"
   source_sh ${CUSTOMIZER_SCRIPT}
   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 ) | sed -e '/^ *$/d;s/[         ]*$//' > ldscripts/${EMULATION_NAME}.xbn
@@ -380,14 +363,14 @@ if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
   DATA_ALIGNMENT=${DATA_ALIGNMENT_c-${DATA_ALIGNMENT_}}
   LD_FLAG=c
   COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp
-  ( echo "/* Script for -z combreloc: combine and sort reloc sections */"
+  ( echo "/* Script for -z combreloc */"
     source_sh ${CUSTOMIZER_SCRIPT}
     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
   ) | sed -e '/^ *$/d;s/[       ]*$//' > ldscripts/${EMULATION_NAME}.xc
   rm -f ${COMBRELOC}
   LD_FLAG=ctextonly
   COMBRELOC=ldscripts/${EMULATION_NAME}.xce.tmp
-  ( echo "/* Script for -z combreloc -z separate-code: combine and sort reloc sections with separate code segment */"
+  ( echo "/* Script for -z combreloc -z separate-code */"
     source_sh ${CUSTOMIZER_SCRIPT}
     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
   ) | sed -e '/^ *$/d;s/[       ]*$//' > ldscripts/${EMULATION_NAME}.xce
@@ -395,14 +378,14 @@ if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
   RELRO_NOW=" "
   LD_FLAG=w
   COMBRELOC=ldscripts/${EMULATION_NAME}.xw.tmp
-  ( echo "/* Script for -z combreloc -z now -z relro: combine and sort reloc sections */"
+  ( echo "/* Script for -z combreloc -z relro -z now */"
     source_sh ${CUSTOMIZER_SCRIPT}
     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
   ) | sed -e '/^ *$/d;s/[       ]*$//' > ldscripts/${EMULATION_NAME}.xw
   rm -f ${COMBRELOC}
   LD_FLAG=wtextonly
   COMBRELOC=ldscripts/${EMULATION_NAME}.xwe.tmp
-  ( echo "/* Script for -z combreloc -z now -z relro -z separate-code: combine and sort reloc sections with separate code segment */"
+  ( echo "/* Script for -z combreloc -z separate-code -z relro -z now */"
     source_sh ${CUSTOMIZER_SCRIPT}
     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
   ) | sed -e '/^ *$/d;s/[       ]*$//' > ldscripts/${EMULATION_NAME}.xwe
@@ -413,14 +396,14 @@ if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
       LD_FLAG=c
       RELRO=" "
       COMBRELOC=ldscripts/${EMULATION_NAME}.xco.tmp
-      ( echo "/* Script for -z combreloc -z relro: combine and sort reloc sections */"
+      ( echo "/* Script for -z combreloc -z relro */"
        source_sh ${CUSTOMIZER_SCRIPT}
        source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xco
       rm -f ${COMBRELOC}
       LD_FLAG=ctextonly
       COMBRELOC=ldscripts/${EMULATION_NAME}.xceo.tmp
-      ( echo "/* Script for -z combreloc -z separate-code -z relro: combine and sort reloc sections */"
+      ( echo "/* Script for -z combreloc -z separate-code -z relro */"
        source_sh ${CUSTOMIZER_SCRIPT}
        source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xceo
@@ -434,12 +417,12 @@ if test -n "$GENERATE_SHLIB_SCRIPT"; then
   DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}}
   CREATE_SHLIB=" "
   LD_FLAG=shared
-  ( echo "/* Script for ld --shared: link shared library */"
+  ( echo "/* Script for -shared */"
     source_sh ${CUSTOMIZER_SCRIPT}
     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
   ) | sed -e '/^ *$/d;s/[       ]*$//' > ldscripts/${EMULATION_NAME}.xs
   LD_FLAG=sharedtextonly
-  ( echo "/* Script for ld --shared -z separate-code: link shared library with separate code segment */"
+  ( echo "/* Script for -shared -z separate-code */"
     source_sh ${CUSTOMIZER_SCRIPT}
     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
   ) | sed -e '/^ *$/d;s/[       ]*$//' > ldscripts/${EMULATION_NAME}.xse
@@ -447,12 +430,12 @@ if test -n "$GENERATE_SHLIB_SCRIPT"; then
   if test -n "$GENERATE_RELRO_SCRIPT"; then
       RELRO=" "
       LD_FLAG=shared
-      ( echo "/* Script for ld --shared -z relro: link shared library */"
+      ( echo "/* Script for -shared -z relro */"
        source_sh ${CUSTOMIZER_SCRIPT}
        source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
       ) | sed -e '/^ *$/d;s/[   ]*$//' > ldscripts/${EMULATION_NAME}.xso
       LD_FLAG=sharedtextonly
-      ( echo "/* Script for ld --shared -z relro -z separate-code: link shared library with separate code segment */"
+      ( echo "/* Script for -shared -z separate-code -z relro */"
        source_sh ${CUSTOMIZER_SCRIPT}
        source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
       ) | sed -e '/^ *$/d;s/[   ]*$//' > ldscripts/${EMULATION_NAME}.xseo
@@ -462,14 +445,14 @@ if test -n "$GENERATE_SHLIB_SCRIPT"; then
     DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
     LD_FLAG=cshared
     COMBRELOC=ldscripts/${EMULATION_NAME}.xsc.tmp
-    ( echo "/* Script for --shared -z combreloc: shared library, combine & sort relocs */"
+    ( echo "/* Script for -shared -z combreloc */"
       source_sh ${CUSTOMIZER_SCRIPT}
       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
     ) | sed -e '/^ *$/d;s/[     ]*$//' > ldscripts/${EMULATION_NAME}.xsc
     rm -f ${COMBRELOC}
     LD_FLAG=csharedtextonly
     COMBRELOC=ldscripts/${EMULATION_NAME}.xsce.tmp
-    ( echo "/* Script for --shared -z combreloc -z separate-code: shared library, combine & sort relocs with separate code segment */"
+    ( echo "/* Script for -shared -z combreloc -z separate-code */"
       source_sh ${CUSTOMIZER_SCRIPT}
       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
     ) | sed -e '/^ *$/d;s/[     ]*$//' > ldscripts/${EMULATION_NAME}.xsce
@@ -477,14 +460,14 @@ if test -n "$GENERATE_SHLIB_SCRIPT"; then
     RELRO_NOW=" "
     LD_FLAG=wshared
     COMBRELOC=ldscripts/${EMULATION_NAME}.xsw.tmp
-    ( echo "/* Script for --shared -z combreloc -z now -z relro: shared library, combine & sort relocs */"
+    ( echo "/* Script for -shared -z combreloc -z relro -z now */"
       source_sh ${CUSTOMIZER_SCRIPT}
       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
     ) | sed -e '/^ *$/d;s/[     ]*$//' > ldscripts/${EMULATION_NAME}.xsw
     rm -f ${COMBRELOC}
     LD_FLAG=wsharedtextonly
     COMBRELOC=ldscripts/${EMULATION_NAME}.xswe.tmp
-    ( echo "/* Script for --shared -z combreloc -z now -z relro -z separate-code: shared library, combine & sort relocs with separate code segment */"
+    ( echo "/* Script for -shared -z combreloc -z separate-code -z relro -z now */"
       source_sh ${CUSTOMIZER_SCRIPT}
       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
     ) | sed -e '/^ *$/d;s/[     ]*$//' > ldscripts/${EMULATION_NAME}.xswe
@@ -495,14 +478,14 @@ if test -n "$GENERATE_SHLIB_SCRIPT"; then
        LD_FLAG=wshared
        RELRO=" "
        COMBRELOC=ldscripts/${EMULATION_NAME}.xsco.tmp
-       ( echo "/* Script for --shared -z combreloc -z relro: shared library, combine & sort relocs with separate code segment */"
+       ( echo "/* Script for -shared -z combreloc -z relro */"
          source_sh ${CUSTOMIZER_SCRIPT}
          source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
        ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xsco
        rm -f ${COMBRELOC}
        LD_FLAG=wsharedtextonly
        COMBRELOC=ldscripts/${EMULATION_NAME}.xsceo.tmp
-       ( echo "/* Script for --shared -z combreloc -z relro -z separate-code: shared library, combine & sort relocs with separate code segment */"
+       ( echo "/* Script for -shared -z combreloc -z separate-code -z relro */"
          source_sh ${CUSTOMIZER_SCRIPT}
          source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
        ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xsceo
@@ -518,24 +501,24 @@ if test -n "$GENERATE_PIE_SCRIPT"; then
   DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}}
   CREATE_PIE=" "
   LD_FLAG=pie
-  ( echo "/* Script for ld -pie: link position independent executable */"
+  ( echo "/* Script for -pie */"
     source_sh ${CUSTOMIZER_SCRIPT}
     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
   ) | sed -e '/^ *$/d;s/[       ]*$//' > ldscripts/${EMULATION_NAME}.xd
   LD_FLAG=pietextonly
-  ( echo "/* Script for ld -pie -z separate-code: link position independent executable with separate code segment */"
+  ( echo "/* Script for -pie -z separate-code */"
     source_sh ${CUSTOMIZER_SCRIPT}
     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
   ) | sed -e '/^ *$/d;s/[       ]*$//' > ldscripts/${EMULATION_NAME}.xde
   if test -n "$GENERATE_RELRO_SCRIPT"; then
       RELRO=" "
       LD_FLAG=pie
-      ( echo "/* Script for ld -pie -z relro: link position independent executable */"
+      ( echo "/* Script for -pie -z relro */"
        source_sh ${CUSTOMIZER_SCRIPT}
        source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
       ) | sed -e '/^ *$/d;s/[   ]*$//' > ldscripts/${EMULATION_NAME}.xdo
       LD_FLAG=pietextonly
-      ( echo "/* Script for ld -pie -z relro -z separate-code: link position independent executable with separate code segment */"
+      ( echo "/* Script for -pie -z separate-code -z relro */"
        source_sh ${CUSTOMIZER_SCRIPT}
        source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
       ) | sed -e '/^ *$/d;s/[   ]*$//' > ldscripts/${EMULATION_NAME}.xdeo
@@ -545,14 +528,14 @@ if test -n "$GENERATE_PIE_SCRIPT"; then
     DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
     COMBRELOC=ldscripts/${EMULATION_NAME}.xdc.tmp
     LD_FLAG=cpie
-    ( echo "/* Script for -pie -z combreloc: position independent executable, combine & sort relocs */"
+    ( echo "/* Script for -pie -z combreloc */"
       source_sh ${CUSTOMIZER_SCRIPT}
       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
     ) | sed -e '/^ *$/d;s/[     ]*$//' > ldscripts/${EMULATION_NAME}.xdc
     rm -f ${COMBRELOC}
     LD_FLAG=cpietextonly
     COMBRELOC=ldscripts/${EMULATION_NAME}.xdce.tmp
-    ( echo "/* Script for -pie -z combreloc -z separate-code: position independent executable, combine & sort relocs with separate code segment */"
+    ( echo "/* Script for -pie -z combreloc -z separate-code */"
       source_sh ${CUSTOMIZER_SCRIPT}
       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
     ) | sed -e '/^ *$/d;s/[     ]*$//' > ldscripts/${EMULATION_NAME}.xdce
@@ -560,14 +543,14 @@ if test -n "$GENERATE_PIE_SCRIPT"; then
     RELRO_NOW=" "
     LD_FLAG=wpie
     COMBRELOC=ldscripts/${EMULATION_NAME}.xdw.tmp
-    ( echo "/* Script for -pie -z combreloc -z now -z relro: position independent executable, combine & sort relocs */"
+    ( echo "/* Script for -pie -z combreloc -z relro -z now */"
       source_sh ${CUSTOMIZER_SCRIPT}
       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
     ) | sed -e '/^ *$/d;s/[     ]*$//' > ldscripts/${EMULATION_NAME}.xdw
     rm -f ${COMBRELOC}
     LD_FLAG=wpietextonly
     COMBRELOC=ldscripts/${EMULATION_NAME}.xdwe.tmp
-    ( echo "/* Script for -pie -z combreloc -z now -z relro -z separate-code: position independent executable, combine & sort relocs with separate code segment */"
+    ( echo "/* Script for -pie -z combreloc -z separate-code -z relro -z now */"
       source_sh ${CUSTOMIZER_SCRIPT}
       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
     ) | sed -e '/^ *$/d;s/[     ]*$//' > ldscripts/${EMULATION_NAME}.xdwe
@@ -578,14 +561,14 @@ if test -n "$GENERATE_PIE_SCRIPT"; then
        LD_FLAG=wpie
        RELRO=" "
        COMBRELOC=ldscripts/${EMULATION_NAME}.xdco.tmp
-       ( echo "/* Script for -pie -z combreloc -z relro: position independent executable, combine & sort relocs with separate code segment */"
+       ( echo "/* Script for -pie -z combreloc -z relro */"
          source_sh ${CUSTOMIZER_SCRIPT}
          source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
        ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xdco
        rm -f ${COMBRELOC}
        LD_FLAG=wpietextonly
        COMBRELOC=ldscripts/${EMULATION_NAME}.xdceo.tmp
-       ( echo "/* Script for -pie -z combreloc -z relro -z separate-code: position independent executable, combine & sort relocs with separate code segment */"
+       ( echo "/* Script for -pie -z combreloc -z separate-code -z relro */"
          source_sh ${CUSTOMIZER_SCRIPT}
          source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
        ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xdceo
@@ -601,7 +584,7 @@ fi
 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT"; then
   LD_FLAG=auto_import
   DATA_ALIGNMENT=${DATA_ALIGNMENT_}
-  ( echo "/* Script for ld --enable-auto-import: Like the default script except read only data is placed into .data  */"
+  ( echo "/* Script for --enable-auto-import */"
     source_sh ${CUSTOMIZER_SCRIPT}
     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
   ) | sed -e '/^ *$/d;s/[       ]*$//' > ldscripts/${EMULATION_NAME}.xa
@@ -639,12 +622,14 @@ fi
 > e${EMULATION_NAME}.c
 source_em ${srcdir}/emultempl/${TEMPLATE_NAME-generic}.em
 
-ecdeps=
-for dep in `cat ${DEPDIR}/e${EMULATION_NAME}.Tc`; do
-  case " $ecdeps " in
-    *" $dep "*): ;;
-    *) ecdeps="$ecdeps $dep" ;;
-  esac
-done
-rm -f ${DEPDIR}/e${EMULATION_NAME}.Tc
-echo "e${EMULATION_NAME}.c:${ecdeps}" > ${DEPDIR}/e${EMULATION_NAME}.Pc
+if test -n "${DEPDIR}"; then
+  ecdeps=
+  for dep in `cat ${DEPDIR}/e${EMULATION_NAME}.Tc`; do
+    case " $ecdeps " in
+      *" $dep "*): ;;
+      *) ecdeps="$ecdeps $dep" ;;
+    esac
+  done
+  rm -f ${DEPDIR}/e${EMULATION_NAME}.Tc
+  echo "e${EMULATION_NAME}.c:${ecdeps}" > ${DEPDIR}/e${EMULATION_NAME}.Pc
+fi