diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 49 |
1 files changed, 47 insertions, 2 deletions
@@ -687,7 +687,9 @@ extra_host_zlib_configure_flags extra_host_libiberty_configure_flags stage1_languages host_libs_picflag +PICFLAG host_shared +host_pie extra_linker_plugin_flags extra_linker_plugin_configure_flags islinc @@ -830,6 +832,7 @@ enable_isl_version_check enable_lto enable_linker_plugin_configure_flags enable_linker_plugin_flags +enable_host_pie enable_host_shared enable_stage1_languages enable_objc_gc @@ -1558,6 +1561,7 @@ Optional Features: --enable-linker-plugin-flags=FLAGS additional flags for configuring and building linker plugins [none] + --enable-host-pie build position independent host executables --enable-host-shared build host code as shared libraries --enable-stage1-languages[=all] choose additional languages to build during stage1. @@ -8645,6 +8649,30 @@ fi +# Enable --enable-host-pie. +# Checked early to determine whether jit is an 'all' language +# Check whether --enable-host-pie was given. +if test "${enable_host_pie+set}" = set; then : + enableval=$enable_host_pie; host_pie=$enableval + case $host in + x86_64-*-darwin* | aarch64-*-darwin*) + if test x$host_pie != xyes ; then + # PIC is the default, and actually cannot be switched off. + echo configure.ac: warning: PIC code is required for the configured target, host-shared setting ignored. 1>&2 + host_pie=yes + fi ;; + *) ;; + esac +else + case $host in + *-*-darwin2*) host_pie=yes ;; + *) host_pie=no ;; + esac +fi + + + + # Enable --enable-host-shared. # Checked early to determine whether jit is an 'all' language # Check whether --enable-host-shared was given. @@ -8657,23 +8685,40 @@ if test "${enable_host_shared+set}" = set; then : echo configure.ac: warning: PIC code is required for the configured target, host-shared setting ignored. 1>&2 host_shared=yes fi ;; + *-*-darwin*) + if test x$host_pie == xyes ; then + echo configure.ac: warning: PIC code is required for PIE executables. 1>&2 + host_shared=yes + fi ;; *) ;; esac else case $host in x86_64-*-darwin* | aarch64-*-darwin*) host_shared=yes ;; - *) host_shared=no ;; + # Darwin needs PIC objects to link PIE executables. + *-*-darwin*) host_shared=host_pie ;; + *) host_shared=no;; esac fi +if test x$host_shared = xyes; then + PICFLAG=-fPIC +elif test x$host_pie = xyes; then + PICFLAG=-fPIE +else + PICFLAG= +fi + + + # If we are building PIC/PIE host executables, and we are building dependent # libs (e.g. GMP) in-tree those libs need to be configured to generate PIC # code. host_libs_picflag= -if test "$host_shared" = "yes";then +if test "$host_shared" = "yes" -o "$host_pie" = "yes"; then host_libs_picflag='--with-pic' fi |