[Buildroot] [PATCH 1/2] package/exim: fix build with libexecinfo

[Bernd Kuhls]

Upstream added optional support for execinfo

https://git.exim.org/exim.git/commitdiff/204a7a2c2e8601558905dc34c576a627045a9f21
https://git.exim.org/exim.git/commitdiff/48ea675fee2d5fee8d33c525e28727b69114cfce

in version 4.97 which was added to buildroot with commit
faec3ca30e358575f70a036879029f63f7da9b29

Fixes:
http://autobuild.buildroot.net/results/282/282882371e1d8c224c457bf65016f8abd11f8c45/

Signed-off-by: Bernd Kuhls <bernd at kuhls.net>
---
 package/exim/exim.mk | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/package/exim/exim.mk b/package/exim/exim.mk
index 23d888e6f2..30b0d78c94 100644
--- a/package/exim/exim.mk
+++ b/package/exim/exim.mk
@@ -104,6 +104,7 @@ define EXIM_CONFIGURE_TOOLCHAIN
 	$(call exim-config-add,HOSTCC,$(HOSTCC))
 	$(call exim-config-add,HOSTCFLAGS,$(HOSTCFLAGS))
 	$(EXIM_FIX_IP_OPTIONS_FOR_MUSL)
+	$(EXIM_EXTRALIBS)
 endef
 
 ifneq ($(call qstrip,$(BR2_PACKAGE_EXIM_CUSTOM_CONFIG_FILE)),)
@@ -126,6 +127,15 @@ ifeq ($(BR2_STATIC_LIBS),y)
 EXIM_STATIC_FLAGS = LFLAGS="-pthread --static"
 endif
 
+ifeq ($(BR2_PACKAGE_LIBEXECINFO),y)
+EXIM_DEPENDENCIES += libexecinfo
+define EXIM_EXTRALIBS
+$(call exim-config-add,EXTRALIBS,-lexecinfo)
+endef
+else
+EXIM_C_FLAGS = -DNO_EXECINFO
+endif
+
 # We need the host version of macro_predef during the build, before
 # building it we need to prepare the makefile.
 define EXIM_BUILD_CMDS
@@ -136,7 +146,7 @@ define EXIM_BUILD_CMDS
 		CFLAGS="-std=c99 $(HOST_CFLAGS)" \
 		LFLAGS="-fPIC $(HOST_LDFLAGS)"
 	$(TARGET_MAKE_ENV) build=br $(MAKE) -C $(@D) $(EXIM_STATIC_FLAGS) \
-		CFLAGS="-std=c99 $(TARGET_CFLAGS)"
+		CFLAGS="-std=c99 $(TARGET_CFLAGS) $(EXIM_C_FLAGS)"
 endef
 
 # Need to replicate the LFLAGS in install, as exim still wants to build
-- 
2.39.2