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| author | Aaron Spike <aaron@ekips.org> | 2007-01-07 17:51:26 +0000 |
|---|---|---|
| committer | acspike <acspike@users.sourceforge.net> | 2007-01-07 17:51:26 +0000 |
| commit | c60711a69ed0684b08835bc372b566bcd7d70f2b (patch) | |
| tree | e3ab5dc70fe821039e542fd3b2e1fff035e35aec /acinclude.m4 | |
| parent | Fixed crash when doing a boolean union when nothing is selected. (diff) | |
| download | inkscape-c60711a69ed0684b08835bc372b566bcd7d70f2b.tar.gz inkscape-c60711a69ed0684b08835bc372b566bcd7d70f2b.zip | |
use relaytool to weak link libssl
(bzr r2146)
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 new file mode 100644 index 000000000..5cd65aea0 --- /dev/null +++ b/acinclude.m4 @@ -0,0 +1,30 @@ +dnl Usage: RELAYTOOL(LIBRARY_NAME, LIBS, CFLAGS, ACTION-IF-WEAK-LINK-IS-POSSIBLE) + +dnl Example: +dnl RELAYTOOL("gtkspell", GTKSPELL_LIBS, GTKSPELL_CFLAGS, gtkspell_weak=yes) +dnl Will modify GTKSPELL_LIBS to include a call to relaytool if available +dnl or if not, will modify GTKSPELL_CFLAGS to include -D switches to define +dnl libgtkspell_is_present=1 and libgtkspell_symbol_is_present=1 + +AC_DEFUN([RELAYTOOL], [ + if test -z "$RELAYTOOL_PROG"; then + AC_PATH_PROG(RELAYTOOL_PROG, relaytool, no) + fi + + AC_MSG_CHECKING(whether we can weak link $1) + + _RELAYTOOL_PROCESSED_NAME=`echo "$1" | sed 's/-/_/g;s/\./_/g;'` + _RELAYTOOL_UPPER_NAME=`echo $_RELAYTOOL_PROCESSED_NAME | tr '[[:lower:]]' '[[:upper:]]'` + + if test "$RELAYTOOL_PROG" = "no"; then + AC_MSG_RESULT(no) + $3="-DRELAYTOOL_${_RELAYTOOL_UPPER_NAME}='static const int lib${_RELAYTOOL_PROCESSED_NAME}_is_present = 1; static int __attribute__((unused)) lib${_RELAYTOOL_PROCESSED_NAME}_symbol_is_present(char *m) { return 1; }' $$3" + else + AC_MSG_RESULT(yes) + $2=`echo $$2|sed 's/\`/\\\\\`/g;'` + $2="-Wl,--gc-sections \`relaytool --relay $1 $$2\`" + $3="-DRELAYTOOL_${_RELAYTOOL_UPPER_NAME}='extern int lib${_RELAYTOOL_PROCESSED_NAME}_is_present; extern int lib${_RELAYTOOL_PROCESSED_NAME}_symbol_is_present(char *s);' $$3" + $4 + fi +]) + |