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authorJoel Sherrill <joel.sherrill@OARcorp.com>1997-04-18 18:33:53 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1997-04-18 18:33:53 +0000
commit58ae19abb213f67ddd2ca213ea26a12000f1afc5 (patch)
tree7c38c41888b18f226e0607237af6355f311242ad
parentdda5cf445bd4472dacb873aa2a2c228661451a18 (diff)
downloadrtems-58ae19abb213f67ddd2ca213ea26a12000f1afc5.tar.bz2
Updated to reflect --enable-gcc28 and --enable-libcdir options.
-rw-r--r--README.configure35
1 files changed, 22 insertions, 13 deletions
diff --git a/README.configure b/README.configure
index f2f84f4909..3501576dcd 100644
--- a/README.configure
+++ b/README.configure
@@ -20,6 +20,8 @@ RTEMS-specific option are supported:
--disable-posix
--disable-tcpip
--disable-tests
+ --enable-gcc28
+ --enable-libcdir=<DIRECTORY>
--enable-rtemsbsp="bsp1 bsp2 ..."
By default, the RTEMS posix interface is built for targets that support
@@ -32,6 +34,12 @@ By default, the RTEMS test suites are configured. The --disable-tests
will not configure the RTEMS test suite. This is used only to speed-up
configuration in case building the tests are not necessary.
+By default, RTEMS is built using arguments and build rules which are
+compatible with gcc 2.7.2.2. This requires that the user specify
+the location of the Standard C Library with the --enable-libcdir
+option. If using a gcc which supports the -specs option, then
+the --enable-gcc28 option may be used to enable this feature.
+
By default, all bsps for a target are built. There are two ways of
changing this:
@@ -39,18 +47,8 @@ changing this:
bsps as the default bsps, or
+ set the RTEMSBSP variable during make (see below).
-The cross-compiler is set to $(target)-gcc by default. This can be
-overriden by one of the following methods:
-
- + running make with CC_FOR_TARGET=compiler_to_use. The same applies to
- all the target specific tools (AS, AR, NM, OBJCOPY, SIZE, LD), or
- + by using the --program-prefix option to configure to specify the
- string which will prepended to the tool names. Be sure to include
- a trailing "-". For example, to use a m68k-coff toolset, use the
- --program-prefix=m68k-coff- option.
-
-The --target= option configures RTEMS for a specific target architecture.
-The following targets are supported:
+The --enable-rtemsbsp= option configures RTEMS for a specific target
+architecture. The following targets are supported:
(none) will build the host-based version on Linux,
Solaris and HPUX.
@@ -66,6 +64,16 @@ The following targets are supported:
powerpc-rtems
sparc-rtems
+The cross-compiler is set to $(target)-gcc by default. This can be
+overriden by one of the following methods:
+
+ + running make with CC_FOR_TARGET=compiler_to_use. The same applies to
+ all the target specific tools (AS, AR, NM, OBJCOPY, SIZE, LD), or
+ + by using the --program-prefix option to configure to specify the
+ string which will prepended to the tool names. Be sure to include
+ a trailing "-". For example, to use a m68k-coff toolset, use the
+ --program-prefix=m68k-coff- option.
+
To build, run make in the build directory. To specify which bsps to build,
add the RTEMSBSP="bsp1 bsp2 .." to the make command.
@@ -207,7 +215,8 @@ The install-if-change script requires bash. On solaris systems, this should
be changed to ksh, since ksh is provided with solaris (bash not).
A fairly rescent version of gawk is needed to build RTEMS. This should be
-changed so that a plain vanilla awk also works.
+changed so that a plain vanilla awk also works. [NOTE: This dependency
+should disappear when the "gcc 2.8 -specs" is finished.]
'make install' should only install necessary files, not the full
PROJECT_RELEASE directory as now.