diff options
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 39 | ||||
| -rw-r--r-- | gcc/doc/tm.texi | 9 |
2 files changed, 6 insertions, 42 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 67a1b60..7a8ca55 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -428,11 +428,6 @@ Objective-C and Objective-C++ Dialects}. @gccoptlist{-B@var{prefix} -I@var{dir} -iquote@var{dir} -L@var{dir} -specs=@var{file} -I- --sysroot=@var{dir}} -@item Target Options -@c I wrote this xref this way to avoid overfull hbox. -- rms -@xref{Target Options}. -@gccoptlist{-V @var{version} -b @var{machine}} - @item Machine Dependent Options @xref{Submodel Options,,Hardware Models and Configurations}. @c This list is ordered alphanumerically by subsection name. @@ -9556,33 +9551,7 @@ proper position among the other output files. The usual way to run GCC is to run the executable called @file{gcc}, or @file{<machine>-gcc} when cross-compiling, or @file{<machine>-gcc-<version>} to run a version other than the one that -was installed last. Sometimes this is inconvenient, so GCC provides -options that will switch to another cross-compiler or version. - -@table @gcctabopt -@item -b @var{machine} -@opindex b -The argument @var{machine} specifies the target machine for compilation. - -The value to use for @var{machine} is the same as was specified as the -machine type when configuring GCC as a cross-compiler. For -example, if a cross-compiler was configured with @samp{configure -arm-elf}, meaning to compile for an arm processor with elf binaries, -then you would specify @option{-b arm-elf} to run that cross compiler. -Because there are other options beginning with @option{-b}, the -configuration must contain a hyphen, or @option{-b} alone should be one -argument followed by the configuration in the next argument. - -@item -V @var{version} -@opindex V -The argument @var{version} specifies which version of GCC to run. -This is useful when multiple versions are installed. For example, -@var{version} might be @samp{4.0}, meaning to run GCC version 4.0. -@end table - -The @option{-V} and @option{-b} options work by running the -@file{<machine>-gcc-<version>} executable, so there's no real reason to -use them if you can just run that directly. +was installed last. @node Submodel Options @section Hardware Models and Configurations @@ -9591,11 +9560,7 @@ use them if you can just run that directly. @cindex hardware models and configurations, specifying @cindex machine dependent options -Earlier we discussed the standard option @option{-b} which chooses among -different installed compilers for completely different target -machines, such as VAX vs.@: 68000 vs.@: 80386. - -In addition, each of these target machine types can have its own +Each target machine types can have its own special options, starting with @samp{-m}, to choose among various hardware models or configurations---for example, 68010 vs 68020, floating coprocessor or none. A single installed version of the diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 222117d..8337e16 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -465,7 +465,7 @@ indicates an absolute file name. @defmac MD_EXEC_PREFIX If defined, this macro is an additional prefix to try after @code{STANDARD_EXEC_PREFIX}. @code{MD_EXEC_PREFIX} is not searched -when the @option{-b} option is used, or the compiler is built as a cross +when the compiler is built as a cross compiler. If you define @code{MD_EXEC_PREFIX}, then be sure to add it to the list of directories used to find the assembler in @file{configure.in}. @end defmac @@ -497,14 +497,13 @@ is built as a cross compiler. @defmac MD_STARTFILE_PREFIX If defined, this macro supplies an additional prefix to try after the standard prefixes. @code{MD_EXEC_PREFIX} is not searched when the -@option{-b} option is used, or when the compiler is built as a cross -compiler. +compiler is built as a cross compiler. @end defmac @defmac MD_STARTFILE_PREFIX_1 If defined, this macro supplies yet another prefix to try after the -standard prefixes. It is not searched when the @option{-b} option is -used, or when the compiler is built as a cross compiler. +standard prefixes. It is not searched when the compiler is built as a +cross compiler. @end defmac @defmac INIT_ENVIRONMENT |