[Qemu-devel] [PATCH 3/3] set SEARCH_PATH for the linker script from output of ld --verbose -v

[Juan Quintela]

Signed-off-by: Juan Quintela <address@hidden>
---
 Makefile   |    2 +-
 alpha.ld   |    1 -
 arm.ld     |    1 -
 configure  |   23 ++++++++++++++++++-----
 hppa.ld    |    1 -
 i386.ld    |    1 -
 ia64.ld    |    4 +---
 m68k.ld    |    4 +---
 mips.ld    |    1 -
 ppc.ld     |    1 -
 ppc64.ld   |    8 +-------
 s390.ld    |    4 +---
 sparc.ld   |    1 -
 sparc64.ld |    1 -
 x86_64.ld  |    1 -
 15 files changed, 23 insertions(+), 31 deletions(-)

diff --git a/Makefile b/Makefile
index dc95869..8bd705e 100644
--- a/Makefile
+++ b/Makefile
@@ -240,7 +240,7 @@ clean:
         done

 distclean: clean
-       rm -f config-host.mak config-host.h $(DOCS) qemu-options.texi 
qemu-img-cmds.texi
+       rm -f config-host.mak config-host.h config-host.ld $(DOCS) 
qemu-options.texi qemu-img-cmds.texi
        rm -f qemu-{doc,tech}.{info,aux,cp,dvi,fn,info,ky,log,pg,toc,tp,vr}
        for d in $(TARGET_DIRS) libhw32 libhw64; do \
        rm -rf $$d || exit 1 ; \
diff --git a/alpha.ld b/alpha.ld
index 0975443..906d76b 100644
--- a/alpha.ld
+++ b/alpha.ld
@@ -2,7 +2,6 @@ OUTPUT_FORMAT("elf64-alpha", "elf64-alpha",
              "elf64-alpha")
 OUTPUT_ARCH(alpha)
 ENTRY(__start)
-SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); 
SEARCH_DIR(/usr/alpha-unknown-linux-gnu/lib);
 SECTIONS
 {
   /* Read-only sections, merged into text segment: */
diff --git a/arm.ld b/arm.ld
index 93285d6..12b3edb 100644
--- a/arm.ld
+++ b/arm.ld
@@ -2,7 +2,6 @@ OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm",
              "elf32-littlearm")
 OUTPUT_ARCH(arm)
 ENTRY(_start)
-SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); 
SEARCH_DIR(/usr/alpha-unknown-linux-gnu/lib);
 SECTIONS
 {
   /* Read-only sections, merged into text segment: */
diff --git a/configure b/configure
index 81c855d..9db7f28 100755
--- a/configure
+++ b/configure
@@ -1483,6 +1483,7 @@ fi

 config_host_mak="config-host.mak"
 config_host_h="config-host.h"
+config_host_ld="config-host.ld"

 #echo "Creating $config_host_mak and $config_host_h"

@@ -1840,6 +1841,18 @@ if test -f ${config_host_h}~ ; then
   fi
 fi

+# generate list of library paths for linker script
+
+$ld --verbose -v 2> /dev/null | grep SEARCH_DIR > ${config_host_ld}
+
+if test -f ${config_host_ld}~ ; then
+  if cmp -s $config_host_ld ${config_host_ld}~ ; then
+    mv ${config_host_ld}~ $config_host_ld
+  else
+    rm ${config_host_ld}~
+  fi
+fi
+
 for target in $target_list; do
 target_dir="$target"
 config_mak=$target_dir/config.mak
@@ -2105,7 +2118,7 @@ if test "$target_linux_user" = "yes" -o 
"$target_linux_user" = "yes" ; then
   case "$ARCH" in
   i386)
     if test "$gprof" = "yes" -o "$static" = "yes" ; then
-      ldflags='-Wl,-T,$(SRC_PATH)/$(ARCH).ld'
+      ldflags='-Wl,-T$(SRC_PATH)/config-host.ld -Wl,-T,$(SRC_PATH)/$(ARCH).ld'
     else
       # WARNING: this LDFLAGS is _very_ tricky : qemu is an ELF shared object
       # that the kernel ELF loader considers as an executable. I think this
@@ -2115,20 +2128,20 @@ if test "$target_linux_user" = "yes" -o 
"$target_linux_user" = "yes" ; then
     ;;
   sparc)
     # -static is used to avoid g1/g3 usage by the dynamic linker
-    ldflags='-Wl,-T,$(SRC_PATH)/$(ARCH).ld -static'
+    ldflags='-Wl,-T$(SRC_PATH)/config-host.ld -Wl,-T,$(SRC_PATH)/$(ARCH).ld 
-static'
     ;;
   ia64)
-    ldflags='-Wl,-G0 -Wl,-T,$(SRC_PATH)/$(ARCH).ld -static'
+    ldflags='-Wl,-G0 -Wl,-T$(SRC_PATH)/config-host.ld 
-Wl,-T,$(SRC_PATH)/$(ARCH).ld -static'
     ;;
   x86_64|ppc|ppc64|s390|sparc64|alpha|arm|m68k|mips|mips64)
-    ldflags='-Wl,-T,$(SRC_PATH)/$(ARCH).ld'
+    ldflags='-Wl,-T$(SRC_PATH)/config-host.ld -Wl,-T,$(SRC_PATH)/$(ARCH).ld'
     ;;
   esac
 fi
 if test "$target_softmmu" = "yes" ; then
   case "$ARCH" in
   ia64)
-    ldflags='-Wl,-G0 -Wl,-T,$(SRC_PATH)/$(ARCH).ld -static'
+    ldflags='-Wl,-G0 -Wl,-T$(SRC_PATH)/config-host.ld 
-Wl,-T,$(SRC_PATH)/$(ARCH).ld -static'
     ;;
   esac
 fi
diff --git a/hppa.ld b/hppa.ld
index 8ef7fa5..9a4b22c 100644
--- a/hppa.ld
+++ b/hppa.ld
@@ -3,7 +3,6 @@ OUTPUT_FORMAT("elf32-hppa-linux", "elf32-hppa-linux",
              "elf32-hppa-linux")
 OUTPUT_ARCH(hppa:hppa1.1)
 ENTRY(_start)
-SEARCH_DIR("/usr/hppa-linux-gnu/lib"); SEARCH_DIR("/usr/local/lib"); 
SEARCH_DIR("/lib"); SEARCH_DIR("/usr/lib");
 SECTIONS
 {
   /* Read-only sections, merged into text segment: */
diff --git a/i386.ld b/i386.ld
index 9f4cb5b..f2dafec 100644
--- a/i386.ld
+++ b/i386.ld
@@ -3,7 +3,6 @@
  */
 OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
 OUTPUT_ARCH(i386)
-SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); 
SEARCH_DIR(/usr/alpha-unknown-linux-gnu/lib);
 ENTRY(_start)
 SECTIONS
 {
diff --git a/ia64.ld b/ia64.ld
index 8d2ede2..0c37796 100644
--- a/ia64.ld
+++ b/ia64.ld
@@ -3,9 +3,7 @@ OUTPUT_FORMAT("elf64-ia64-little", "elf64-ia64-little",
              "elf64-ia64-little")
 OUTPUT_ARCH(ia64)
 ENTRY(_start)
-SEARCH_DIR("/usr/ia64-linux/lib"); SEARCH_DIR("/usr/local/lib"); 
SEARCH_DIR("/lib"); SEARCH_DIR("/usr/lib");
-/* Do we need any of these for elf?
-   __DYNAMIC = 0;    */
+/* __DYNAMIC = 0;    */
 SECTIONS
 {
   /* Read-only sections, merged into text segment: */
diff --git a/m68k.ld b/m68k.ld
index 28da902..0e3d9de 100644
--- a/m68k.ld
+++ b/m68k.ld
@@ -3,9 +3,7 @@ OUTPUT_FORMAT("elf32-m68k", "elf32-m68k",
              "elf32-m68k")
 OUTPUT_ARCH(m68k)
 ENTRY(_start)
-SEARCH_DIR("/usr/local/m68k-linux/lib");
-/* Do we need any of these for elf?
-   __DYNAMIC = 0;    */
+/* __DYNAMIC = 0;    */
 SECTIONS
 {
   /* Read-only sections, merged into text segment: */
diff --git a/mips.ld b/mips.ld
index 94fa63b..4294761 100644
--- a/mips.ld
+++ b/mips.ld
@@ -3,7 +3,6 @@ OUTPUT_FORMAT("elf32-tradbigmips", "elf32-tradbigmips",
              "elf32-tradlittlemips")
 OUTPUT_ARCH(mips)
 ENTRY(__start)
-SEARCH_DIR("/usr/mips-linux-gnu/lib");
 SECTIONS
 {
   /* Read-only sections, merged into text segment: */
diff --git a/ppc.ld b/ppc.ld
index 1e6bbe9..5248ef1 100644
--- a/ppc.ld
+++ b/ppc.ld
@@ -3,7 +3,6 @@
  */
 OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
 OUTPUT_ARCH(powerpc:common)
-SEARCH_DIR(/usr/powerpc-linux-gnu/lib); SEARCH_DIR(/usr/local/lib); 
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib)
 ENTRY(_start)
 SECTIONS
 {
diff --git a/ppc64.ld b/ppc64.ld
index 1ba8883..dea0dbd 100644
--- a/ppc64.ld
+++ b/ppc64.ld
@@ -3,13 +3,7 @@ OUTPUT_FORMAT("elf64-powerpc", "elf64-powerpc",
              "elf64-powerpc")
 OUTPUT_ARCH(powerpc:common64)
 ENTRY(_start)
-SEARCH_DIR("/usr/powerpc64-unknown-linux-gnu/lib64");
-SEARCH_DIR("/usr/lib/binutils/powerpc64-unknown-linux-gnu/2.16.164");
-SEARCH_DIR("/usr/local/lib64"); SEARCH_DIR("/lib64"); SEARCH_DIR("/usr/lib64");
-SEARCH_DIR("/usr/powerpc64-unknown-linux-gnu/lib");
-SEARCH_DIR("/usr/lib/binutils/powerpc64-unknown-linux-gnu/2.16.1");
-SEARCH_DIR("/usr/local/lib"); SEARCH_DIR("/lib"); SEARCH_DIR("/usr/lib"); /* 
Do we
-need any of these for elf? +   __DYNAMIC = 0;    */
+/* __DYNAMIC = 0;    */
 SECTIONS
 {
   /* Read-only sections, merged into text segment: */
diff --git a/s390.ld b/s390.ld
index ccae2e7..a9c5370 100644
--- a/s390.ld
+++ b/s390.ld
@@ -2,9 +2,7 @@ OUTPUT_FORMAT("elf32-s390", "elf32-s390",
              "elf32-s390")
 OUTPUT_ARCH(s390:31-bit)
 ENTRY(_start)
-SEARCH_DIR("/usr/s390-redhat-linux/lib"); SEARCH_DIR("/usr/lib"); 
SEARCH_DIR("/usr/local/lib"); SEARCH_DIR("/lib");
-/* Do we need any of these for elf?
-   __DYNAMIC = 0;    */
+/* __DYNAMIC = 0;    */
 SECTIONS
 {
   /* Read-only sections, merged into text segment: */
diff --git a/sparc.ld b/sparc.ld
index 26ab415..5aed1c2 100644
--- a/sparc.ld
+++ b/sparc.ld
@@ -1,7 +1,6 @@
 OUTPUT_FORMAT("elf32-sparc", "elf32-sparc",
               "elf32-sparc")
 OUTPUT_ARCH(sparc)
-SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); 
SEARCH_DIR(/usr/alpha-unknown-linux-gnu/lib);
 ENTRY(_start)
 SECTIONS
 {
diff --git a/sparc64.ld b/sparc64.ld
index f728634..9ea4143 100644
--- a/sparc64.ld
+++ b/sparc64.ld
@@ -1,7 +1,6 @@
 OUTPUT_FORMAT("elf64-sparc", "elf64-sparc",
               "elf64-sparc")
 OUTPUT_ARCH(sparc:v9)
-SEARCH_DIR(/lib64); SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib64); 
SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib64); SEARCH_DIR(/usr/local/lib); 
SEARCH_DIR(/usr/alpha-unknown-linux-gnu/lib);
 ENTRY(_start)
 SECTIONS
 {
diff --git a/x86_64.ld b/x86_64.ld
index 878dafb..24ea77d 100644
--- a/x86_64.ld
+++ b/x86_64.ld
@@ -2,7 +2,6 @@
 OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
 OUTPUT_ARCH(i386:x86-64)
 ENTRY(_start)
-SEARCH_DIR("/lib64"); SEARCH_DIR("/usr/lib64"); SEARCH_DIR("/usr/local/lib64");
 SECTIONS
 {
   /* Read-only sections, merged into text segment: */
-- 
1.6.2.5