directfb: Fix missing -lm flag again

From 5a91f329f490ae3d63c239e37f3899e703e303ee Mon Sep 17 00:00:00 2001

From dbf8fd1d097420d02f0603155ca81fcc7e232a0a Mon Sep 17 00:00:00 2001

From: Lionel Landwerlin <llandwerlin@gmail.com>

Date: Fri, 5 Nov 2010 18:05:54 +0100

Subject: [PATCH] directfb: add missing -lm flag patch

Date: Sun, 7 Nov 2010 21:45:19 +0100

Subject: [PATCH] Add -lm flag when nedded

Signed-off-by: Lionel Landwerlin <llandwerlin@gmail.com>

---

 ....10-add-lm-to-link-flags-when-freetype-is.patch |   31 ++++++++++++++++++++

 1 files changed, 31 insertions(+), 0 deletions(-)

 create mode 100644 package/directfb/directfb-1.4.10-add-lm-to-link-flags-when-freetype-is.patch

 configure.in          |   14 ++++++++++++++

 src/media/Makefile.am |    2 +-

 2 files changed, 15 insertions(+), 1 deletions(-)

diff --git a/package/directfb/directfb-1.4.10-add-lm-to-link-flags-when-freetype-is.patch b/package/directfb/directfb-1.4.10-add-lm-to-link-flags-when-freetype-is.patch

new file mode 100644

index 0000000..dc84f53

--- /dev/null

+++ b/package/directfb/directfb-1.4.10-add-lm-to-link-flags-when-freetype-is.patch

@@ -0,0 +1,31 @@

+From 9103055ed56999bb42cdf8fc5f08f2ad42e28426 Mon Sep 17 00:00:00 2001

+From: Lionel Landwerlin <llandwerlin@gmail.com>

+Date: Fri, 5 Nov 2010 18:00:20 +0100

+Subject: [PATCH] configure.in: add -lm to link flags when freetype is used

+

+Signed-off-by: Lionel Landwerlin <llandwerlin@gmail.com>

+---

+ configure.in |    7 +++++++

+ 1 files changed, 7 insertions(+), 0 deletions(-)

+

+diff --git a/configure.in b/configure.in

+index 78c842d..3f97b22 100644

+--- a/configure.in

++++ b/configure.in

+@@ -830,6 +830,13 @@ AC_ARG_ENABLE(freetype,

+ if test "$enable_freetype" = "yes"; then

+   PKG_CHECK_MODULES(FREETYPE, freetype2, FREETYPE="yes", [FREETYPE="no",

+     AC_MSG_WARN([*** no freetype -- FreeType font provider will not be built.])])

++  if test "$enable_shared" = "yes"; then

++    AC_CHECK_LIB(m, sinf, ,

++      AC_MSG_ERROR([

++*** DirectFB requires libm.]))

++    DYNLIB+=" -lm"

++  fi

++  AC_SUBST(DYNLIB)

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

+ 

+ AM_CONDITIONAL(FREETYPE_PROVIDER, test "$FREETYPE" = "yes")

+-- 

+1.6.0.6

+

+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)

-- 

1.6.0.6

1.7.2.3