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authorSamuel Holland <samuel@sholland.org>2019-01-05 09:00:35 -0600
committerSamuel Holland <samuel@sholland.org>2019-01-05 09:35:19 -0600
commit59d0cbb49bc0c69d5bd754215faaec16e2c20057 (patch)
treee19ae28b4cba5836933ef3ce456fbc9f5c7c7f17 /Makefile
parent98b8025edf172ae8d3e0a619249dc1670067b0f0 (diff)
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Makefile: Detect and link an obstack library
Signed-off-by: Samuel Holland <samuel@sholland.org>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile18
1 files changed, 15 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index b2c3fd3..0f18af0 100644
--- a/Makefile
+++ b/Makefile
@@ -44,11 +44,23 @@ LOADER_OBJ = ${LOADER_SRC:.c=.o}
LOADER_NAME = ld-linux.so.2
LOADER_PATH = /lib/${LOADER_NAME}
-ifdef WITH_LIBUCONTEXT
+PKG_CONFIG ?= pkg-config
+ifdef WITH_LIBUCONTEXT
LIBUCONTEXT_CFLAGS = -DWITH_LIBUCONTEXT
LIBUCONTEXT_LIBS = -lucontext
+endif
+
+ifndef WITH_OBSTACK
+WITH_OBSTACK = $(shell \
+ for pkg in obstack obstack-standalone; do \
+ ${PKG_CONFIG} --exists "$$pkg" && { echo "$$pkg"; exit 0; } \
+ done; echo "no")
+endif
+ifneq (${WITH_OBSTACK},no)
+OBSTACK_CFLAGS = $(shell ${PKG_CONFIG} --cflags ${WITH_OBSTACK}) -DWITH_OBSTACK
+OBSTACK_LIBS = $(shell ${PKG_CONFIG} --libs ${WITH_OBSTACK})
endif
all: ${LIBGCOMPAT_NAME} ${LOADER_NAME}
@@ -56,7 +68,7 @@ all: ${LIBGCOMPAT_NAME} ${LOADER_NAME}
${LIBGCOMPAT_NAME}: ${LIBGCOMPAT_OBJ}
${CC} ${CFLAGS} ${LDFLAGS} -shared -Wl,-soname,${LIBGCOMPAT_NAME} \
-o ${LIBGCOMPAT_NAME} ${LIBGCOMPAT_OBJ} \
- -Wl,--no-as-needed ${LIBUCONTEXT_LIBS}
+ -Wl,--no-as-needed ${LIBUCONTEXT_LIBS} ${OBSTACK_LIBS}
${LIBGCOMPAT_OBJ}: ${LIBGCOMPAT_INCLUDE}
@@ -69,7 +81,7 @@ ${LOADER_NAME}: ${LOADER_OBJ}
-DLINKER='"${LINKER_PATH}"' -DLOADER='"${LOADER_NAME}"' \
-fPIC -Ilibgcompat -std=c99 \
-Wall -Wextra -Wno-frame-address -Wno-unused-parameter \
- ${LIBUCONTEXT_CFLAGS} -o $@ $<
+ ${LIBUCONTEXT_CFLAGS} ${OBSTACK_CFLAGS} -o $@ $<
clean:
rm -f libgcompat/*.o loader/*.o ${LIBGCOMPAT_NAME} ${LOADER_NAME}