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comparison test/dynload_plain/Makefile.embedded @ 570:3155ccc33cae

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- test/dynload_plain: simplify makefile based build by deducing default c lib to test with from a simple helper build
author Tassilo Philipp
date Sun, 04 Sep 2022 15:57:28 +0200
parents 7e00c173519d
children 996424e8a5fc
comparison
equal deleted inserted replaced
569:7e00c173519d 570:3155ccc33cae
1 # path to default libc.so file, easier to do via shell than in code (see main() in dynload_plain.c)
2 # for compat: first gmake style, then assignment op which will use ! as part of var name on gmake<4
3 # and thus not override previously set var; in a similar vein, the :sh line works on
4 # sun make flavors and sets the var using sunOS specific deduction if not already set
5 # (:sh also works on bmake, but != already sets the var)
6 DEF_C_DYLIB=$(shell ((ldd `which [` | grep -o '/.*/libc.so[^ ]*' || ls /lib*/libc.so* || ls /usr/lib/libc.so*) | grep -v '\.a$$' | (sort -V -r || sort -t . -n -k 2)) 2>/dev/null | head -1)
7 DEF_C_DYLIB!=((ldd `which [` | grep -o '/.*/libc.so[^ ]*' || ls /lib*/libc.so* || ls /usr/lib/libc.so*) | grep -v '\.a$$' | (sort -V -r || sort -t . -n -k 2)) 2>/dev/null | head -1
8 DEF_C_DYLIB:sh=[ -z "${DEF_C_DYLIB}" ] && ls /lib/`isainfo -b`/libc.so || echo "${DEF_C_DYLIB}"
9
10 APP = dynload_plain 1 APP = dynload_plain
11 OBJS = dynload_plain.o 2 OBJS = dynload_plain.o
12 TEST_U8_SO = dynload_plain_ß_test # @@@ unsure if every platform handles ß, here (ANSI, UTF-8, ...) 3 TEST_U8_SO = dynload_plain_ß_test # @@@ unsure if every platform handles ß, here (ANSI, UTF-8, ...)
13 4
14 TOP = ../.. 5 TOP = ../..
16 LDFLAGS += -L${TOP}/dynload 7 LDFLAGS += -L${TOP}/dynload
17 LDLIBS += -ldynload_s 8 LDLIBS += -ldynload_s
18 # Works on: Darwin, NetBSD. 9 # Works on: Darwin, NetBSD.
19 # Linux: add '-ldl' 10 # Linux: add '-ldl'
20 11
21 all: ${APP} ${TEST_U8_SO} 12 all: ${TEST_C_LD} ${TEST_U8_SO}
13 # deduce path to default libc.so file, easier to do via shell than in code
14 # (see main() in dynload_plain.c); get from what ${TEST_C_LD} is linked
15 # against, then reinvoke make with actual build
16 export X=`((ldd ${TEST_C_LD} | grep -o '/.*/libc.so[^ ]*' || ls /lib*/libc.so* || ls /usr/lib/libc.so*) | grep -v '\.a$$' | (sort -V -r || sort -t . -n -k 2)) 2>/dev/null | head -1`; \
17 ${MAKE} DEF_C_DYLIB="$$X" ${APP}
22 18
23 .PHONY: all clean 19 .PHONY: all clean
20
21 ${TEST_C_LD}:
22 # dummy bin built with same toolchain and flags to deduce default c lib this is linked with
23 echo 'int main() { return 0; }' | ${CC} -x c ${CFLAGS} ${LDFLAGS} -o ${TEST_C_LD} -
24 24
25 ${APP}: ${OBJS} 25 ${APP}: ${OBJS}
26 ${CC} ${CFLAGS} ${LDFLAGS} ${OBJS} ${LDLIBS} -o $@ 26 ${CC} ${CFLAGS} ${LDFLAGS} ${OBJS} ${LDLIBS} -o $@
27 27
28 ${TEST_U8_SO}: 28 ${TEST_U8_SO}: