Changes in chapter08/gcc.xml [1d599b9:2b76c89]

File:

• chapter08/gcc.xml (modified) (6 diffs)

chapter08/gcc.xml

@@ -45 +45 @@
     libraries to <quote>lib</quote>:</para>
 
-<screen arch="default"><userinput remap="pre">case $(uname -m) in
+<screen><userinput remap="pre">case $(uname -m) in
   x86_64)
     sed -e '/m64=/s/lib64/lib/' \
@@ -52 +52 @@
 esac</userinput></screen>
 
-    <para arch="ml_32,ml_x32,ml_all">Change the default directory name for 64-bit
-    libraries to <quote>lib</quote>:</para>
-
-<screen arch="ml_32,ml_x32,ml_all"><userinput remap="pre">sed -e '/m64=/s/lib64/lib/' \
-    -e '/m32=/s/m32=.*/m32=..\/lib32$(call if_multiarch,:i386-linux-gnu)/' \
-    -i.orig gcc/config/i386/t-linux64</userinput></screen>
-
     <para>The GCC documentation recommends building GCC in a dedicated build directory:</para>
 
@@ -66 +59 @@
     <para>Prepare GCC for compilation:</para>
 
-<screen arch="default"><userinput remap="configure">../configure --prefix=/usr            \
+<screen><userinput remap="configure">../configure --prefix=/usr            \
              LD=ld                    \
              --enable-languages=c,c++ \
@@ -75 +68 @@
              --disable-bootstrap      \
              --disable-fixincludes    \
-             --with-system-zlib</userinput></screen>
-<screen arch="ml_32,ml_x32,ml_all"><userinput remap="configure" 
-  arch="ml_32" >mlist=m64,m32</userinput><userinput remap="configure"
-  arch="ml_x32">mlist=m64,mx32</userinput><userinput remap="configure"
-  arch="ml_all">mlist=m64,m32,mx32</userinput>
-<userinput remap="configure">../configure --prefix=/usr               \
-             LD=ld                       \
-             --enable-languages=c,c++    \
-             --enable-default-pie        \
-             --enable-default-ssp        \
-             --enable-host-pie           \
-             --enable-multilib           \
-             --with-multilib-list=$mlist \
-             --disable-bootstrap         \
-             --disable-fixincludes       \
              --with-system-zlib</userinput></screen>
 
@@ -162 +140 @@
     </important>
 
-   <para>One set of tests in the GCC test suite is known to exhaust the default
-   stack, so increase the stack size prior to running the tests:</para>
-
-<screen><userinput remap="test">ulimit -s 32768</userinput></screen>
+    <para>GCC may need more stack space compiling some extremely complex
+    code patterns.  As a precaution for the host distros with a tight stack
+    limit, explicitly set the stack size hard limit to infinite.
+    On most host distros (and the final LFS system) the hard limit is
+    infinite by default, but there is no harm done by setting it explicitly.
+    It's not necessary to change the stack size soft limit because GCC will
+    automatically set it to an appropriate value, as long as the value does
+    not exceed the hard limit:</para>
+
+<screen><userinput remap="test">ulimit -s -H unlimited</userinput></screen>
 
     <para>Now remove/fix several known test failures:</para>
@@ -310 +294 @@
 SEARCH_DIR("/usr/lib");</computeroutput></screen>
 
-   <para arch="default">A 32-bit system may use a few other directories. For example, here
+   <para>A 32-bit system may use a few other directories. For example, here
    is the output from an i686 machine:</para>
 
-<!-- not using entities here as the dir names has nothing to do with multilib -->
-<screen arch="default"><computeroutput>SEARCH_DIR("/usr/i686-pc-linux-gnu/lib32")
+<screen><computeroutput>SEARCH_DIR("/usr/i686-pc-linux-gnu/lib32")
 SEARCH_DIR("/usr/local/lib32")
 SEARCH_DIR("/lib32")