bad $-escape (literal $ must be written as $$)

[LightSun]

ninja version:

C:\Users\Administrator>ninja --version
1.10.2

command:

rule cc
  command     = cmd /c "$(ANDROID_NDK_CLANG)/bin/clang $defines $includes $flags -MMD -MF $out.d -c -o $out $in"
  description = cc $out
  depfile     = $out.d
  deps        = gcc

full ninja

rule cxx
  command     = cmd /c "$(ANDROID_NDK_CLANG)/bin/clang++ $defines $includes $flags -MMD -MF $out.d -c -o $out $in"
  description = cxx $out
  depfile     = $out.d
  deps        = gcc

rule ar
  command         = cmd /c "$(ANDROID_NDK_ARM64)/bin/aarch64-linux-android-ar $flags $out $in $libs"
  description     = ar $out

rule link
  command         = cmd /c "$pre_link $(ANDROID_NDK_CLANG)/bin/clang++ -o $out $all_outputfiles $walibs  $libs  $all_ldflags $post_build"
  description     = link $out

rule exec
  command     = cmd /c "$command"
  description = Run $type commands

# custom build rules
# build files
# FILE: ../../../../src/main/PDFIUM/third_party/icu/source/common/appendable.cpp
build ../../../android-arm64/obj/Debug/src/main/PDFIUM/third_party/icu/source/common/appendable.o: cxx ../../../../src/main/PDFIUM/third_party/icu/source/common/appendable.cpp| || 
  flags    =  -O3 -fexceptions -fPIC -fstack-protector-strong -Wunused-value -Wundef -gcc-toolchain $(ANDROID_NDK_ARM64) --sysroot=$(ANDROID_NDK_ROOT)/platforms/android-21/arch-arm64 -target aarch64-none-linux-androideabi -march=armv8-a -O3 -Wno-shift-negative-value -Wno-unused-parameter -DU_USING_ICU_NAMESPACE=0 -DU_ENABLE_DYLOAD=0 -DUSE_CHROMIUM_ICU=1 -DU_STATIC_IMPLEMENTATION -DU_I18N_IMPLEMENTATION -DU_COMMON_IMPLEMENTATION -DU_HIDE_DATA_SYMBOL -DICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_FILE -DHAVE_DLOPEN=0 -DUCONFIG_ONLY_HTML_CONVERSION=1 -DUCONFIG_USE_WINDOWS_LCID_MAPPING_API=0 -DU_CHARSET_IS_UTF8=1 -DU_ICUDATAENTRY_IN_COMMON 
  includes =  -I"../../../../src/main/PDFIUM" -I"../../../../src/main/PDFIUM/public" -I"../../../../src/main/PDFIUM/third_party/icu/source/i18n" -I"../../../../src/main/PDFIUM/third_party/icu/source/common" -I"../../../../src/main/PDFIUM/third_party/freetype/include/freetype/config" -I"../../../../src/main/PDFIUM/third_party/freetype/src/include" -I"../../../../src/main/PDFIUM/third_party/skia_shared" -I"../../../../src/main/PDFIUM/third_party/cpufeatures" -I"$(ANDROID_NDK_ROOT)/sources/cxx-stl/llvm-libc++/include" -I"$(ANDROID_NDK_ROOT)/sysroot/usr/include" -I"$(ANDROID_NDK_ROOT)/sysroot/usr/include/aarch64-linux-android"
  defines  =  -DCCORE_ANDROID -DICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_FILE -DHAVE_PTHREADS -DANDROID -DOPJ_STATIC -DOS_ANDROID -DWIN32_LEAN_AND_MEAN -DU_I18N_IMPLEMENTATION -DU_ICUDATAENTRY_IN_COMMON -DU_COMMON_IMPLEMENTATION -DU_STATIC_IMPLEMENTATION -DFT2_BUILD_LIBRARY -DARMV8_OS_ANDROID -DINFLATE_CHUNK_READ_64LE -D_DEBUG -DCCORE_THREAD_RR -DCCORE_CLOCK_TYPE_REALTIME

[jhasse]

You can not use variables like this $(ANDROID_NDK_CLANG). Looks to me like the generator made a mistake.