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# Basic test for support of compiler generated dependencies.
# We test with a simple command that just writes a fake .d file which lists an
# input dependency on "header-1".
#
# We also enforce that the timestamp of input-1 is "old" to ensure that any
# update-if-newer behavior works correctly.
#
# RUN: rm -rf %t.build
# RUN: mkdir -p %t.build
# RUN: cp %s %t.build/build.ninja
# RUN: touch -r / %t.build/header-1 %t.build/input-1
# RUN: %{llbuild} ninja build --jobs 1 --chdir %t.build &> %t1.out
# RUN: %{FileCheck} --check-prefix=CHECK-INITIAL --input-file=%t1.out %s
# Check the first build.
#
# CHECK-INITIAL: [1/{{.*}}] "CC output-1"
# CHECK-INITIAL: [2/{{.*}}] "cat output-1 > output"
# Check a build that modifies the header.
#
# RUN: echo "mod" >> %t.build/header-1
# RUN: %{llbuild} ninja build --strict --jobs 1 --chdir %t.build &> %t2.out
# RUN: %{FileCheck} --check-prefix=CHECK-AFTER-MOD --input-file=%t2.out %s
#
# CHECK-AFTER-MOD: [1/{{.*}}] "CC output-1"
# CHECK-AFTER-MOD: [2/{{.*}}] "cat output-1 > output"
# Check that a header modification follow a build that *could* trigger an output
# update performs correctly.. This is to verify that the output updating doesn't
# lose discovered dependencies.
#
# RUN: touch -r / %t.build/header-1
# RUN: echo "xxx" >> %t.build/output-1
# RUN: %{llbuild} ninja build --strict --jobs 1 --chdir %t.build &> %t2.out
# RUN: %{FileCheck} --check-prefix=CHECK-AFTER-OUTPUT-MOD --input-file=%t2.out %s
#
# FIXME: This build currently will actually rerun the command, but this test is
# just defensive currently, it should be updated if/when we support
# update-if-newer on commands with discovered dependencies.
#
# CHECK-AFTER-OUTPUT-MOD: "cat output-1 > output"
# Check another build that modifies the header.
#
# RUN: echo "mod-2" >> %t.build/header-1
# RUN: %{llbuild} ninja build --strict --jobs 1 --chdir %t.build &> %t2.out
# RUN: %{FileCheck} --check-prefix=CHECK-AFTER-SECOND-MOD --input-file=%t2.out %s
#
# CHECK-AFTER-SECOND-MOD: [1/{{.*}}] "CC output-1"
# CHECK-AFTER-SECOND-MOD: [2/{{.*}}] "cat output-1 > output"
rule CC
deps = gcc
depfile = ${in}.d
command = echo "${out}: ${in} header-1" > ${depfile} && cat ${in} header-1 > ${out}
description = "CC ${out}"
rule CAT
command = cat ${in} > ${out}
description = "${command}"
build output-1: CC input-1
build output: CAT output-1
default output
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