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| author | Lauri Kasanen <cand@gmx.com> | 2014-08-21 12:08:02 +0000 |
|---|---|---|
| committer | Lauri Kasanen <cand@gmx.com> | 2014-08-21 12:08:02 +0000 |
| commit | 3113727cc9263c2825271e96b58aa303858e88f7 (patch) | |
| tree | a54f009c74e1d1ea0ba03ba56dfb107ab4fa3be4 | |
| parent | 3a5f3f1820b899909e687cd984e402c2c711c68f (diff) | |
Use symbolic and sectioned builds if supported by the toolchain.
These help both shared lib size, as well as app size when statically linking. STR #3097
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10230 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
| -rw-r--r-- | configure.in | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 7a21f5640..d8f99d1dd 100644 --- a/configure.in +++ b/configure.in @@ -1165,6 +1165,30 @@ if test -n "$GCC"; then AC_MSG_RESULT(no)) CFLAGS="$OLDCFLAGS" + # See if ld supports -Bsymbolic-functions... + AC_MSG_CHECKING(if ld supports -Bsymbolic-functions) + OLDLDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -Wl,-Bsymbolic-functions" + AC_TRY_LINK(,, + [DSOFLAGS="$DSOFLAGS -Wl,-Bsymbolic-functions"] + AC_MSG_RESULT(yes), + AC_MSG_RESULT(no)) + LDFLAGS="$OLDLDFLAGS" + + # See if toolchain supports a sectioned build... + AC_MSG_CHECKING(if toolchain supports sections) + OLDLDFLAGS="$LDFLAGS" + OLDCFLAGS="$CFLAGS" + LDFLAGS="$LDFLAGS -Wl,-gc-sections" + CFLAGS="$CFLAGS -ffunction-sections -fdata-sections" + AC_TRY_LINK(,, + [DSOFLAGS="$DSOFLAGS -Wl,-gc-sections" + OPTIM="$OPTIM -ffunction-sections -fdata-sections"] + AC_MSG_RESULT(yes), + AC_MSG_RESULT(no)) + LDFLAGS="$OLDLDFLAGS" + CFLAGS="$OLDCFLAGS" + # See if we are running Solaris; if so, try the -fpermissive option... # This option is required on some versions of Solaris to work around # bugs in the X headers up through Solaris 7. |