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| author | David Malcolm <dmalcolm@redhat.com> | 2013-10-15 20:33:55 +0000 |
|---|---|---|
| committer | David Malcolm <dmalcolm@gcc.gnu.org> | 2013-10-15 20:33:55 +0000 |
| commit | 459260ecf8b420b029601a664cdb21c185268ecb (patch) | |
| tree | b101be713129409fe69e45a4e5436995f481906a /gcc/doc | |
| parent | 37ea0d87a36e36b706fb32491118e0da2a530099 (diff) | |
| download | gcc-459260ecf8b420b029601a664cdb21c185268ecb.zip gcc-459260ecf8b420b029601a664cdb21c185268ecb.tar.gz gcc-459260ecf8b420b029601a664cdb21c185268ecb.tar.bz2 | |
Add --enable-host-shared configuration option
/
* configure.ac: Add --enable-host-shared
* configure: Regenerate.
gcc/
* Makefile.in (PICFLAG): New.
(enable_host_shared): New.
(INTERNAL_CFLAGS): Use PICFLAG.
(LIBIBERTY): Use pic build of libiberty.a if configured with
--enable-host-shared.
* configure.ac: Add --enable-host-shared, setting up new
PICFLAG variable.
* configure: Regenerate.
* doc/install.texi (--enable-shared): Add note contrasting it
with...
(--enable-host-shared): New option.
libbacktrace/
* configure.ac: Add --enable-host-shared, setting up
pre-existing PIC_FLAG variable within Makefile.am et al.
* configure: Regenerate.
libcpp/
* Makefile.in (PICFLAG): New.
(ALL_CFLAGS): Add PICFLAG.
(ALL_CXXFLAGS): Likewise.
* configure.ac: Add --enable-host-shared, setting up new
PICFLAG variable.
* configure: Regenerate.
libdecnumber/
* Makefile.in (PICFLAG): New.
(ALL_CFLAGS): Add PICFLAG.
* configure.ac: Add --enable-host-shared, setting up new
PICFLAG variable.
* configure: Regenerate.
libiberty/
* configure.ac: If --enable-host-shared, use -fPIC.
* configure: Regenerate.
zlib/
* configure.ac: Add --enable-host-shared, setting up new
PICFLAG variable.
* Makefile.am: Add PICFLAG to libz_a_CFLAGS.
* Makefile.in: Regenerate.
* configure: Regenerate.
From-SVN: r203632
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/install.texi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi index 7be8e5a..5cb4d3c 100644 --- a/gcc/doc/install.texi +++ b/gcc/doc/install.texi @@ -925,6 +925,19 @@ Use @option{--disable-shared} to build only static libraries. Note that @option{--disable-shared} does not accept a list of package names as argument, only @option{--enable-shared} does. +Contrast with @option{--enable-host-shared}, which affects @emph{host} +code. + +@item --enable-host-shared +Specify that the @emph{host} code should be built into position-independent +machine code (with -fPIC), allowing it to be used within shared libraries, +but yielding a slightly slower compiler. + +Currently this option is only of use to people developing GCC itself. + +Contrast with @option{--enable-shared}, which affects @emph{target} +libraries. + @item @anchor{with-gnu-as}--with-gnu-as Specify that the compiler should assume that the assembler it finds is the GNU assembler. However, this does not modify |