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| author | Matt Johnston <matt@ucc.asn.au> | 2017-06-27 22:37:46 +0800 |
|---|---|---|
| committer | Matt Johnston <matt@ucc.asn.au> | 2017-06-27 22:37:46 +0800 |
| commit | a9a3746d0900bd973cbf164332dc795812a769c7 (patch) | |
| tree | 8821856fd2481fcf9cae0b3115a7f38be34ad78f /configure.ac | |
| parent | 74ace058a634d3761725ba7f326ba89142029c39 (diff) | |
add --enable-static configure argument. disable conflicting harden flags
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 76 |
1 files changed, 45 insertions, 31 deletions
diff --git a/configure.ac b/configure.ac index 7eb37c3..cb22223 100644 --- a/configure.ac +++ b/configure.ac @@ -33,6 +33,17 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], [AC_MSG_RESULT(no); CFLAGS="$OLDCFLAGS" ] ) +STATIC=0 +AC_ARG_ENABLE(static, + [ --enable-static Build static binaries], + [ + if test "x$enableval" = "xyes"; then + STATIC=1 + AC_MSG_NOTICE(Static Build) + fi + ], []) +AC_SUBST(STATIC) + hardenbuild=1 AC_ARG_ENABLE(harden, [ --disable-harden Don't set hardened build flags], @@ -45,37 +56,40 @@ AC_ARG_ENABLE(harden, if test "$hardenbuild" -eq 1; then AC_MSG_NOTICE(Checking for available hardened build flags:) - # pie - OLDCFLAGS="$CFLAGS" - TESTFLAGS="-fPIE" - CFLAGS="$CFLAGS $TESTFLAGS" - AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], - [AC_MSG_NOTICE([Setting $TESTFLAGS])], - [AC_MSG_NOTICE([Not setting $TESTFLAGS]); CFLAGS="$OLDCFLAGS" ] - ) - OLDLDFLAGS="$LDFLAGS" - TESTFLAGS="-Wl,-pie" - LDFLAGS="$LDFLAGS $TESTFLAGS" - AC_LINK_IFELSE([AC_LANG_PROGRAM([])], - [AC_MSG_NOTICE([Setting $TESTFLAGS])], - [ - LDFLAGS="$OLDLDFLAGS" - TESTFLAGS="-pie" - LDFLAGS="$LDFLAGS $TESTFLAGS" - AC_LINK_IFELSE([AC_LANG_PROGRAM([])], - [AC_MSG_NOTICE([Setting $TESTFLAGS])], - [AC_MSG_NOTICE([Not setting $TESTFLAGS]); LDFLAGS="$OLDLDFLAGS" ] - ) - ] - ) - # readonly elf relocation sections (relro) - OLDLDFLAGS="$LDFLAGS" - TESTFLAGS="-Wl,-z,now -Wl,-z,relro" - LDFLAGS="$LDFLAGS $TESTFLAGS" - AC_LINK_IFELSE([AC_LANG_PROGRAM([])], - [AC_MSG_NOTICE([Setting $TESTFLAGS])], - [AC_MSG_NOTICE([Not setting $TESTFLAGS]); LDFLAGS="$OLDLDFLAGS" ] - ) + # relocation flags don't make sense for static builds + if test "$STATIC" -ne 1; then + # pie + OLDCFLAGS="$CFLAGS" + TESTFLAGS="-fPIE" + CFLAGS="$CFLAGS $TESTFLAGS" + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], + [AC_MSG_NOTICE([Setting $TESTFLAGS])], + [AC_MSG_NOTICE([Not setting $TESTFLAGS]); CFLAGS="$OLDCFLAGS" ] + ) + OLDLDFLAGS="$LDFLAGS" + TESTFLAGS="-Wl,-pie" + LDFLAGS="$LDFLAGS $TESTFLAGS" + AC_LINK_IFELSE([AC_LANG_PROGRAM([])], + [AC_MSG_NOTICE([Setting $TESTFLAGS])], + [ + LDFLAGS="$OLDLDFLAGS" + TESTFLAGS="-pie" + LDFLAGS="$LDFLAGS $TESTFLAGS" + AC_LINK_IFELSE([AC_LANG_PROGRAM([])], + [AC_MSG_NOTICE([Setting $TESTFLAGS])], + [AC_MSG_NOTICE([Not setting $TESTFLAGS]); LDFLAGS="$OLDLDFLAGS" ] + ) + ] + ) + # readonly elf relocation sections (relro) + OLDLDFLAGS="$LDFLAGS" + TESTFLAGS="-Wl,-z,now -Wl,-z,relro" + LDFLAGS="$LDFLAGS $TESTFLAGS" + AC_LINK_IFELSE([AC_LANG_PROGRAM([])], + [AC_MSG_NOTICE([Setting $TESTFLAGS])], + [AC_MSG_NOTICE([Not setting $TESTFLAGS]); LDFLAGS="$OLDLDFLAGS" ] + ) + fi # non-static # stack protector. -strong is good but only in gcc 4.9 or later OLDCFLAGS="$CFLAGS" TESTFLAGS="-fstack-protector-strong" |