From dbf8fd1d097420d02f0603155ca81fcc7e232a0a Mon Sep 17 00:00:00 2001 From: Lionel Landwerlin Date: Sun, 7 Nov 2010 21:45:19 +0100 Subject: [PATCH] Add -lm flag when nedded Signed-off-by: Lionel Landwerlin --- configure.in | 14 ++++++++++++++ src/media/Makefile.am | 2 +- 2 files changed, 15 insertions(+), 1 deletions(-) diff --git a/configure.in b/configure.in index 78c842d..aa608d4 100644 --- a/configure.in +++ b/configure.in @@ -533,6 +533,20 @@ AM_CONDITIONAL(DIRECTFB_BUILD_PURE_VOODOO, test "$DIRECTFB_BUILD_PURE_VOODOO" = AC_SUBST(DEP_VOODOO) +dnl If we're not building a pure voodoo lib, we need the sqrt symbol +dnl for src/media/idirectfbfont.c +MEDIALIB="" +if test "$enable_pure_voodoo" = "no"; then + AC_CHECK_LIB(m, sqrt, + MEDIALIB="-lm", + AC_MSG_ERROR([ +*** DirectFB requires libm.])) + if test "$enable_shared" = "yes"; then + DYNLIB+=" $MEDIALIB" + AC_SUBST(DYNLIB) + fi +fi +AC_SUBST(MEDIALIB) AM_CONDITIONAL(ENABLE_MULTI, test "$enable_multi" = "yes") diff --git a/src/media/Makefile.am b/src/media/Makefile.am index 1a39a25..a4bdb10 100644 --- a/src/media/Makefile.am +++ b/src/media/Makefile.am @@ -35,4 +35,4 @@ libdirectfb_media_la_SOURCES = \ idirectfbdatabuffer_file.c \ idirectfbdatabuffer_memory.c \ idirectfbdatabuffer_streamed.c - +libdirectfb_media_la_LDFLAGS = $(MEDIALIB) -- 1.7.2.3