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cmake: Fix find_program usage for 3.15

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yuzu requires CMake 3.15 yet find_program was using REQUIRED, which is
only available on 3.18 and later. Instead, we check for
"<VAR>-NOTFOUND".

In addition, check for additional requirements before building libusb or
FFmpeg with autotools. Otherwise, CMake configuration will pass yet
compilation will fail.
This commit is contained in:
lat9nq
2021-06-13 01:15:54 -04:00
parent 8b5655a98e
commit 932c0184a7
3 changed files with 24 additions and 2 deletions
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11
externals/libusb/CMakeLists.txt vendored
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@ -5,6 +5,17 @@ if (MINGW OR (${CMAKE_SYSTEM_NAME} MATCHES "Linux"))
# GNU toolchains for some reason doesn't work with the later half of this CMakeLists after
# updating to 1.0.24, so we do it the old-fashioned way for now.
# Require autoconf and libtoolize here, rather than crash during compilation
find_program(AUTOCONF autoconf)
if ("${AUTOCONF}" STREQUAL "AUTOCONF-NOTFOUND")
message(FATAL_ERROR "Required program `autoconf` not found.")
endif()
find_program(LIBTOOLIZE libtoolize)
if ("${LIBTOOLIZE}" STREQUAL "LIBTOOLIZE-NOTFOUND")
message(FATAL_ERROR "Required program `libtoolize` not found.")
endif()
set(LIBUSB_PREFIX "${CMAKE_CURRENT_BINARY_DIR}/libusb")
set(LIBUSB_SRC_DIR "${CMAKE_CURRENT_SOURCE_DIR}/libusb")